dhcpcd
dhcpcd copied to clipboard
Published
20 hours ago •
NetworkConfiguration
NetworkConfiguration
Crash on archlinux
dhcpcd crashes after some set of actions I do(I have not yet pin pointed when exactly it happens)
sudo systemctl status dhcpcd
× dhcpcd.service - DHCP/ IPv4LL/ IPv6RA/ DHCPv6 client on all interfaces
Loaded: loaded (/usr/lib/systemd/system/dhcpcd.service; enabled; preset: disabled)
Active: failed (Result: core-dump) since Thu 2024-11-14 12:42:26 +0330; 1min 9s ago
Duration: 1min 56.251s
Invocation: da6d92bbb82f47a7866966b4d4211a9e
Process: 991 ExecStart=/usr/bin/dhcpcd -q -B (code=dumped, signal=SEGV)
Main PID: 991 (code=dumped, signal=SEGV)
Mem peak: 9M
CPU: 46ms
Nov 14 12:40:35 17F dhcpcd[1013]: enp56s0u1u1c2: probing address 192.168.17.96/24
Nov 14 12:40:39 17F dhcpcd[1013]: enp56s0u1u1c2: leased 192.168.17.96 for 720 seconds
Nov 14 12:40:39 17F dhcpcd[1013]: enp56s0u1u1c2: adding route to 192.168.17.0/24
Nov 14 12:40:39 17F dhcpcd[1013]: enp56s0u1u1c2: adding default route via 192.168.17.1
Nov 14 12:40:39 17F dhcpcd[1891]: Dropped protocol specifier '.dhcp' from 'enp56s0u1u1c2.dhcp'. Using 'enp56s0u1u1c2' (ifindex=3).
Nov 14 12:40:39 17F dhcpcd[1891]: Failed to set DNS configuration: Could not activate remote peer 'org.freedesktop.resolve1': activation req>
Nov 14 12:40:45 17F dhcpcd[1013]: enp56s0u1u1c2: no IPv6 Routers available
Nov 14 12:42:26 17F dhcpcd[1013]: enp56s0u1u1c2: pid 985 deleted IP address 192.168.17.96/24
Nov 14 12:42:26 17F systemd[1]: dhcpcd.service: Main process exited, code=dumped, status=11/SEGV
Nov 14 12:42:26 17F systemd[1]: dhcpcd.service: Failed with result 'core-dump'.
dhcpcd --version dhcpcd 10.1.0 Copyright (c) 2006-2024 Roy Marples Compiled in features: INET ARP ARPing IPv4LL INET6 DHCPv6 AUTH PRIVSEP
I use archlinux with linux-zen kernel I also use NetworkManager and a bridge connection
I think this happens when I delete my Ethernet connection not entirely sure though
I'd gladly provide any additional information on the matter.
I had a similar Issue on ALL my Fedora Linux 41 Systems.
Basically I lost ALL IPv4 DHCP & Static + ALL IPv6 DHCP Connectivity :-1:.
Not exactly the same Error, but similar I guess -> https://github.com/NetworkConfiguration/dhcpcd/issues/410
It sounds to me like network-manager and dhcpcd try to act on the same interfaces and conflict with each others' actions.
Not in my Case at least, since I explicitely disabled NetworkManager while trying (I thought that they might conflict indeed).
I think I have an idea onto why this crash happens
I was tinkering with creating bridge connection over Ethernet and all. I did the below steps many times:
- create the bridge br0
- make the enp56s0u1u1c2 slave to br0.
nmcli conn up br0- delete the enp56s0u1u1c2 interface from GUI.
I do think the part when I delete the Ethernet interface causes dhcpcd to crash. I'm not entirely sure though I should really try it again which I cannot right now
It's making me pull my Hair out.
Now I need to fix like 6-8 Fedora Servers and either move everything to NetworkManager which is an absolute PITA (and will need lots of Reconfiguration since IPv6 DUID is for whatever Reason different than the one used by dhcpcd) OR have to write my own set of Scripts so I can assign a Static IP Address.
Add Insult to Injury the fact that I have IPv6 Connectivity BUT ssh will NOT, for whatever Reason, Connect to the Server like that.
I also tried to install dhcpcd-10.0.10-1.fc42.x86_64.rpm from Fedora koji (Build Server) fc42 Build but also that crashes :(.
EDIT 1: setting dhcp-duit=(value from /var/lib/dhcpcd/duid) in the [ipv6] Section of /etc/NetworkManager/system-connections/ens18.nmconnection yields the same DUID and thus I get the same IP Address from my OPNSense Router :+1:.
That does NOT change the Fact however that it took me a LOT of Time to Figure out how to configure dhcpcd via /etc/dhcpcd.conf and I would really stay with this System.
Also because that's what I use on Debian/Ubuntu.
And NetworkManager is an absolute PITA in almost every Aspect I can think of ...
You might have some other dhcp client running like systemd-networkd, network manager will automatically detect it and control over dbus. dhcpcd does not do that, either way recommend to make sure it’s off
It's disabled and off ...
systemctl status systemd-networkd
○ systemd-networkd.service - Network Configuration
Loaded: loaded (/usr/lib/systemd/system/systemd-networkd.service; disabled; preset: disabled)
Drop-In: /usr/lib/systemd/system/service.d
└─10-timeout-abort.conf, 50-keep-warm.conf
Active: inactive (dead)
TriggeredBy: ○ systemd-networkd.socket
Docs: man:systemd-networkd.service(8)
man:org.freedesktop.network1(5)
FD Store: 0 (limit: 512)
Based on a previous similar Issue, I start suspecting glibc Update that occurred a few Days ago.
Other likely culprit as usual might be SELinux although I couldn't find anything of relevance in the logs :disappointed:.
I just found I have 1 or 2 Fedora 41 Systems where the Issue apparently does NOT appear ... Weird.
EDIT 1: only on 1 System fully updated the Issue does NOT show up. And for whatever reason, if there are 2 Network Cards presents on the System, then dhcpcd doesn't crash.
Weird ...
On the working System (with only 1 Network Connection), applying one (BIG) Update broke dhcpcd.
So something happened and one of these Packages is responsible for it:
Transaction ID : 2
Begin time : 2024-11-30 11:42:55
Begin rpmdb : fdcc10d6fb4b7213fb9f38fe68933bec97d02ea835b437323e0908b1f222f016
End time : 2024-11-30 11:44:11
End rpmdb : efc2770252f2ec9a491a3db6f96ea6c0d7eee85aad28a6c3e65da65f3f2d6250
User : 0 Super User <root>
Status : Ok
Releasever : 41
Description : dnf update
Comment :
Packages altered:
Action Package Reason Repository
Install hiredis-0:1.2.0-3.fc41.x86_64 Dependency fedora
Upgrade clevis-0:21-6.fc41.x86_64 Dependency updates
Upgrade clevis-luks-0:21-6.fc41.x86_64 Weak Dependency updates
Upgrade cockpit-0:329.1-1.fc41.x86_64 Group updates
Upgrade cockpit-bridge-0:329.1-1.fc41.x86_64 Dependency updates
Upgrade cockpit-networkmanager-0:329.1-1.fc41.noarch Group updates
Upgrade cockpit-packagekit-0:329.1-1.fc41.noarch Group updates
Upgrade cockpit-selinux-0:329.1-1.fc41.noarch Group updates
Upgrade cockpit-storaged-0:329.1-1.fc41.noarch Group updates
Upgrade cockpit-system-0:329.1-1.fc41.noarch Dependency updates
Upgrade cockpit-ws-0:329.1-1.fc41.x86_64 Dependency updates
Upgrade dracut-0:103-3.fc41.x86_64 Dependency updates
Upgrade dracut-squash-0:103-3.fc41.x86_64 Dependency updates
Upgrade dracut-network-0:103-3.fc41.x86_64 Dependency updates
Upgrade dracut-config-rescue-0:103-3.fc41.x86_64 Group updates
Upgrade efi-srpm-macros-0:5-13.fc41.noarch External User updates
Upgrade exfatprogs-0:1.2.6-1.fc41.x86_64 Group updates
Upgrade fprintd-0:1.94.4-1.fc41.x86_64 Dependency updates
Upgrade fprintd-pam-0:1.94.4-1.fc41.x86_64 Group updates
Upgrade git-0:2.47.1-1.fc41.x86_64 Weak Dependency updates
Upgrade git-core-0:2.47.1-1.fc41.x86_64 Dependency updates
Upgrade git-core-doc-0:2.47.1-1.fc41.noarch Dependency updates
Upgrade perl-Git-0:2.47.1-1.fc41.noarch Dependency updates
Upgrade glibc-0:2.40-12.fc41.x86_64 Group updates
Upgrade glibc-common-0:2.40-12.fc41.x86_64 Dependency updates
Upgrade glibc-langpack-en-0:2.40-12.fc41.x86_64 Dependency updates
Upgrade glibc-gconv-extra-0:2.40-12.fc41.x86_64 Dependency updates
Upgrade glibc-devel-0:2.40-12.fc41.x86_64 Dependency updates
Upgrade grub2-common-1:2.12-15.fc41.noarch Dependency updates
Upgrade grub2-tools-minimal-1:2.12-15.fc41.x86_64 Dependency updates
Upgrade grub2-tools-1:2.12-15.fc41.x86_64 Dependency updates
Upgrade grub2-pc-modules-1:2.12-15.fc41.noarch Dependency updates
Upgrade grub2-pc-1:2.12-15.fc41.x86_64 User updates
Upgrade libibverbs-0:51.0-5.fc41.x86_64 Dependency updates
Upgrade libldb-2:4.21.2-1.fc41.x86_64 Dependency updates
Upgrade libnfsidmap-1:2.8.1-1.rc2.fc41.x86_64 Dependency updates
Upgrade libwbclient-2:4.21.2-1.fc41.x86_64 Dependency updates
Upgrade samba-client-libs-2:4.21.2-1.fc41.x86_64 Dependency updates
Upgrade samba-common-2:4.21.2-1.fc41.noarch Dependency updates
Upgrade samba-common-libs-2:4.21.2-1.fc41.x86_64 Dependency updates
Upgrade libxcrypt-0:4.4.36-11.fc41.x86_64 Dependency updates
Upgrade libxcrypt-devel-0:4.4.36-11.fc41.x86_64 Dependency updates
Upgrade nfs-utils-1:2.8.1-1.rc2.fc41.x86_64 Group updates
Upgrade nspr-0:4.36.0-1.fc41.x86_64 Dependency updates
Upgrade nss-0:3.106.0-1.fc41.x86_64 Dependency updates
Upgrade nss-softokn-0:3.106.0-1.fc41.x86_64 Dependency updates
Upgrade nss-util-0:3.106.0-1.fc41.x86_64 Dependency updates
Upgrade nss-softokn-freebl-0:3.106.0-1.fc41.x86_64 Dependency updates
Upgrade nss-sysinit-0:3.106.0-1.fc41.x86_64 Dependency updates
Upgrade pam-0:1.6.1-7.fc41.x86_64 Dependency updates
Upgrade pam-libs-0:1.6.1-7.fc41.x86_64 Dependency updates
Upgrade passt-0:0^20241121.g238c69f-1.fc41.x86_64 Dependency updates
Upgrade passt-selinux-0:0^20241121.g238c69f-1.fc41.noarch Dependency updates
Upgrade pcp-conf-0:6.3.2-2.fc41.x86_64 External User updates
Upgrade pcp-libs-0:6.3.2-2.fc41.x86_64 External User updates
Upgrade perl-CPAN-0:2.38-1.fc41.noarch External User updates
Upgrade pkcs11-provider-0:0.6-2.fc41.x86_64 Weak Dependency updates
Upgrade podman-5:5.3.1-1.fc41.x86_64 User updates
Upgrade python3-boto3-0:1.35.69-1.fc41.noarch Weak Dependency updates
Upgrade python3-botocore-0:1.35.69-1.fc41.noarch Dependency updates
Upgrade python3-s3transfer-0:0.10.4-1.fc41.noarch Dependency updates
Upgrade python3-unbound-0:1.22.0-8.fc41.x86_64 Weak Dependency updates
Upgrade unbound-libs-0:1.22.0-8.fc41.x86_64 Dependency updates
Upgrade unbound-anchor-0:1.22.0-8.fc41.x86_64 Weak Dependency updates
Upgrade qemu-user-static-2:9.1.2-1.fc41.x86_64 Weak Dependency updates
Upgrade qemu-user-static-aarch64-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-alpha-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-arm-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-cris-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-hexagon-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-hppa-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-loongarch64-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-m68k-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-microblaze-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-mips-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-or1k-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-ppc-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-riscv-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-s390x-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-sh4-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-sparc-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-x86-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade qemu-user-static-xtensa-2:9.1.2-1.fc41.x86_64 Dependency updates
Upgrade setroubleshoot-server-0:3.3.35-1.fc41.x86_64 Dependency updates
Upgrade systemtap-sdt-devel-0:5.2-1.fc41.x86_64 External User updates
Upgrade systemtap-sdt-dtrace-0:5.2-1.fc41.x86_64 Dependency updates
Replaced clevis-0:21-5.fc41.x86_64 Dependency @System
Replaced clevis-luks-0:21-5.fc41.x86_64 Weak Dependency @System
Replaced cockpit-0:329-1.fc41.x86_64 Group @System
Replaced cockpit-bridge-0:329-1.fc41.x86_64 Dependency @System
Replaced cockpit-networkmanager-0:329-1.fc41.noarch Group @System
Replaced cockpit-packagekit-0:329-1.fc41.noarch Group @System
Replaced cockpit-selinux-0:329-1.fc41.noarch Group @System
Replaced cockpit-storaged-0:329-1.fc41.noarch Group @System
Replaced cockpit-system-0:329-1.fc41.noarch Dependency @System
Replaced cockpit-ws-0:329-1.fc41.x86_64 Dependency @System
Replaced dracut-0:102-3.fc41.x86_64 Dependency @System
Replaced dracut-config-rescue-0:102-3.fc41.x86_64 Group @System
Replaced dracut-network-0:102-3.fc41.x86_64 Dependency @System
Replaced dracut-squash-0:102-3.fc41.x86_64 Dependency @System
Replaced efi-srpm-macros-0:5-12.fc41.noarch External User @System
Replaced exfatprogs-0:1.2.5-1.fc41.x86_64 Group @System
Replaced fprintd-0:1.94.2-12.fc41.x86_64 Dependency @System
Replaced fprintd-pam-0:1.94.2-12.fc41.x86_64 Group @System
Replaced git-0:2.47.0-1.fc41.x86_64 Weak Dependency @System
Replaced git-core-0:2.47.0-1.fc41.x86_64 Dependency @System
Replaced git-core-doc-0:2.47.0-1.fc41.noarch Dependency @System
Replaced glibc-0:2.40-11.fc41.x86_64 Group @System
Replaced glibc-common-0:2.40-11.fc41.x86_64 Dependency @System
Replaced glibc-devel-0:2.40-11.fc41.x86_64 Dependency @System
Replaced glibc-gconv-extra-0:2.40-11.fc41.x86_64 Dependency @System
Replaced glibc-langpack-en-0:2.40-11.fc41.x86_64 Dependency @System
Replaced grub2-common-1:2.12-13.fc41.noarch Dependency @System
Replaced grub2-pc-1:2.12-13.fc41.x86_64 User @System
Replaced grub2-pc-modules-1:2.12-13.fc41.noarch Dependency @System
Replaced grub2-tools-1:2.12-13.fc41.x86_64 Dependency @System
Replaced grub2-tools-minimal-1:2.12-13.fc41.x86_64 Dependency @System
Replaced libibverbs-0:51.0-4.fc41.x86_64 Dependency @System
Replaced libldb-2:4.21.1-7.fc41.x86_64 Dependency @System
Replaced libnfsidmap-1:2.8.1-1.rc1.fc41.x86_64 Dependency @System
Replaced libwbclient-2:4.21.1-7.fc41.x86_64 Dependency @System
Replaced libxcrypt-0:4.4.36-10.fc41.x86_64 Dependency @System
Replaced libxcrypt-devel-0:4.4.36-10.fc41.x86_64 Dependency @System
Replaced nfs-utils-1:2.8.1-1.rc1.fc41.x86_64 Group @System
Replaced nspr-0:4.35.0-30.fc41.x86_64 Dependency @System
Replaced nss-0:3.105.0-1.fc41.x86_64 Dependency @System
Replaced nss-softokn-0:3.105.0-1.fc41.x86_64 Dependency @System
Replaced nss-softokn-freebl-0:3.105.0-1.fc41.x86_64 Dependency @System
Replaced nss-sysinit-0:3.105.0-1.fc41.x86_64 Dependency @System
Replaced nss-util-0:3.105.0-1.fc41.x86_64 Dependency @System
Replaced pam-0:1.6.1-6.fc41.x86_64 Dependency @System
Replaced pam-libs-0:1.6.1-6.fc41.x86_64 Dependency @System
Replaced passt-0:0^20241030.gee7d0b6-1.fc41.x86_64 Dependency @System
Replaced passt-selinux-0:0^20241030.gee7d0b6-1.fc41.noarch Dependency @System
Replaced pcp-conf-0:6.3.1-1.fc41.x86_64 External User @System
Replaced pcp-libs-0:6.3.1-1.fc41.x86_64 External User @System
Replaced perl-CPAN-0:2.37-1.fc41.noarch External User @System
Replaced perl-Git-0:2.47.0-1.fc41.noarch Dependency @System
Replaced pkcs11-provider-0:0.5-4.fc41.x86_64 Weak Dependency @System
Replaced podman-5:5.3.0-1.fc41.x86_64 User @System
Replaced python3-boto3-0:1.35.63-1.fc41.noarch Weak Dependency @System
Replaced python3-botocore-0:1.35.63-1.fc41.noarch Dependency @System
Replaced python3-s3transfer-0:0.10.3-1.fc41.noarch Dependency @System
Replaced python3-unbound-0:1.21.1-1.fc41.x86_64 Weak Dependency @System
Replaced qemu-user-static-2:9.1.1-2.fc41.x86_64 Weak Dependency @System
Replaced qemu-user-static-aarch64-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-alpha-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-arm-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-cris-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-hexagon-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-hppa-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-loongarch64-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-m68k-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-microblaze-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-mips-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-or1k-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-ppc-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-riscv-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-s390x-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-sh4-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-sparc-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-x86-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced qemu-user-static-xtensa-2:9.1.1-2.fc41.x86_64 Dependency @System
Replaced samba-client-libs-2:4.21.1-7.fc41.x86_64 Dependency @System
Replaced samba-common-2:4.21.1-7.fc41.noarch Dependency @System
Replaced samba-common-libs-2:4.21.1-7.fc41.x86_64 Dependency @System
Replaced setroubleshoot-server-0:3.3.34-1.fc41.x86_64 Dependency @System
Replaced systemtap-sdt-devel-0:5.2~pre17250223gd07e4284-1.fc41.x86_64 External User @System
Replaced systemtap-sdt-dtrace-0:5.2~pre17250223gd07e4284-1.fc41.x86_64 Dependency @System
Replaced unbound-anchor-0:1.21.1-1.fc41.x86_64 Weak Dependency @System
Replaced unbound-libs-0:1.21.1-1.fc41.x86_64 Dependency @System
EDIT 1: trying to execute dhcpcd without Service/Daemon and trying to get it NOT to fork in the Background gives different Results depending on which Options are used ...
a. IPv4 Seems to work
root@HOST:~# dhcpcd --debug -w --reconfigure --nolink --noipv4ll --ipv4only ; echo $? ; killall dhcpcd ; echo $? ; dhcpcd --debug -w --reconfigure --nolink --noipv4ll --ipv4only ;
dhcpcd-10.0.8 starting
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 8440
spawned privileged proxy on PID 8441
spawned network proxy on PID 8442
spawned controller proxy on PID 8443
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
lo: ignoring due to interface type and no config
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: spawned BPF ARP 192.168.XXX.YYY on PID 8445
ens18: IA type 3 IAID 00:00:00:01
ens18: using static address 192.168.XXX.YYY/20
ens18: adding IP address 192.168.XXX.YYY/20 broadcast 192.168.15.255
ens18: adding route to 192.168.0.0/20
ens18: adding default route via 192.168.1.1
ens18: ARP announcing 192.168.XXX.YYY (1 of 2), next in 2.0 seconds
ens18: executing: /usr/libexec/dhcpcd-run-hooks STATIC
Dropped protocol specifier '.dhcp' from 'ens18.dhcp'. Using 'ens18' (ifindex=2).
forked to background
0
0
sending commands to dhcpcd process
send OK
b. It seems to hang on IPv6 actually
root@HOST:~# dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only ; echo $? ; killall dhcpcd ; echo $? ; dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only; echo $? ;
dhcpcd-10.0.8 starting
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 9428
spawned privileged proxy on PID 9429
spawned network proxy on PID 9430
spawned controller proxy on PID 9431
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 9432
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 9433
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 9434
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 9435
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
dhcpcd_fork_cb: dhcpcd manager hungup
1
dhcpcd: no process found
1
dhcpcd-10.0.8 starting
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 9448
spawned privileged proxy on PID 9449
spawned network proxy on PID 9450
spawned controller proxy on PID 9451
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::AAAA:BBBB on PID 9452
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 9453
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 9454
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 9455
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
dhcpcd_fork_cb: dhcpcd manager hungup
1
For more Troubleshooting I'd need some guidance, as I'm not very good at understanding all of the different Options :disappointed:.
@F8RZD: you might want to obfuscate your IPv6 Prefix :wink:.
About the Segmentation Fault, that Message seems a bit different than mine (I am on a slightly older Version).
Either Way, I wouldn't call either of the behaviors (Segmentation Fault / Hungup) as "normal".
It mentioned Could not activate remote peer 'org.freedesktop.resolve1': activation request failed: unknown unit in your Error, whereas mine just says "hungup". Could it be dbus / systemd / udev related then ?
@F8RZD: you might want to obfuscate your IPv6 Prefix 😉.
I kinda f,d that up but it's ok since it's incoming traffic is blocked. I hope so...
the thing is
if you delete the default inteface through Network Manager dhcpcd seg faults
Weird.
In my Case it seems that with 2 Network Interfaces "physically" (well, it's a Virtual Server in my Case) presents and configured in /etc/dhcpcd.conf, then it seems to NOT hungup and crash.
That's basically the only situation where it doesn't :(.
Not sure if we need to try to run using gdb (I don't think on Fedora the Debugging Symbols are included anyways), something like this maybe:
gdb --args dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
I tried with gdb Quickly but not sure how much it can be useful for the Developers, since it's been a VERY long time since I played around with gdb and C/C++ in General:
root@HOST:~# gdb -ex=r --args dhcpcd "--debug" "-w" "--reconfigure" "ens18" "--nolink" "--ipv6only"
GNU gdb (Fedora Linux) 15.2-3.fc41
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from dhcpcd...
This GDB supports auto-downloading debuginfo from the following URLs:
<https://debuginfod.fedoraproject.org/>
Enable debuginfod for this session? (y or [n]) y
Debuginfod has been enabled.
To make this setting permanent, add 'set debuginfod enabled on' to .gdbinit.
Reading symbols from /root/.cache/debuginfod_client/ae337d25a5c0762467309cc1c5a23adda6b888e6/debuginfo...
Starting program: /usr/sbin/dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
dhcpcd-10.0.8 starting
[Detaching after fork from child process 29642]
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 29643
spawned privileged proxy on PID 29644
spawned network proxy on PID 29645
spawned controller proxy on PID 29646
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 29647
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 29648
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 29649
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 29650
dhcp6_openudp: Address already in use
ps_inet_listenin6: Address already in use
ps_root_recvmsg: Address already in use
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
ens18: deleting address 2aXX:XXXX:XXXX:XXXX::8:13/128
ens18: adding address 2aXX:XXXX:XXXX:XXXX::8:13/64
ens18: pltime infinity, vltime infinity
ens18: DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY exited unexpectedly from PID 29650, code=1
ens18: adding route to 2aXX:XXXX:XXXX:1::/64
ens18: DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 exited from PID 29647
dhcpcd_fork_cb: dhcpcd manager hungup
[Inferior 1 (process 29639) exited with code 01]
(gdb) b dhcpcd_fork_cb
Breakpoint 1 at 0x561b24a60be0: file /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c, line 1844.
(gdb) run
Starting program: /usr/sbin/dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
dhcpcd-10.0.8 starting
[Detaching after fork from child process 29708]
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 29709
spawned privileged proxy on PID 29710
spawned network proxy on PID 29711
spawned controller proxy on PID 29712
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 29713
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 29714
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 29715
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 29716
dhcp6_openudp: Address already in use
ps_inet_listenin6: Address already in use
ps_root_recvmsg: Address already in use
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
Dropped protocol specifier '.static6' from 'ens18.static6'. Using 'ens18' (ifindex=2).
ens18: adding address 2aXX:XXXX:XXXX:XXXX::8:13/64
ens18: pltime infinity, vltime infinity
ens18: adding route to 2aXX:XXXX:XXXX:1::/64
ens18: executing: /usr/libexec/dhcpcd-run-hooks STATIC6
ens18: DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY exited unexpectedly from PID 29716, code=1
Breakpoint 1, dhcpcd_fork_cb (arg=0x7ffcd96e0870, events=513) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:1844
1844 {
(gdb) backtrace full
#0 dhcpcd_fork_cb (arg=0x7ffcd96e0870, events=513) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:1844
ctx = <optimized out>
exit_code = 32764
len = <optimized out>
__func__ = "dhcpcd_fork_cb"
#1 0x000055c8a57a4a1b in eloop_run_ppoll (eloop=<optimized out>, ts=<optimized out>, signals=0x7ffcd96e0ab0) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/eloop.c:1106
nn = 0
e = 0x55c8d3b46070
n = <optimized out>
pfd = <optimized out>
events = <optimized out>
n = <optimized out>
nn = <optimized out>
e = <optimized out>
pfd = <optimized out>
events = <optimized out>
#2 eloop_start (eloop=0x55c8d3b3cea0, signals=signals@entry=0x7ffcd96e0ab0) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/eloop.c:1228
error = <optimized out>
t = <optimized out>
ts = {tv_sec = 94321033596576, tv_nsec = -7284361494481477376}
tsp = <optimized out>
#3 0x000055c8a57a1ee7 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:2651
ctx = {pidfile = "/run/dhcpcd/ens18-6.pid", '\000' <repeats 15 times>, vendor = '\000' <repeats 255 times>, fork_fd = 5, cffile = 0x55c8a57e94bd "/etc/dhcpcd.conf", options = 4903298724375844905, logfile = 0x0, argc = 7, argv = 0x7ffcd96e0e48,
ifac = 0, ifav = 0x0, ifdc = 0, ifdv = 0x0, ifc = 1, ifv = 0x7ffcd96e0e78, ifcc = 1, ifcv = 0x55c8d3b3ce60, duid_type = 1 '\001', duid = 0x0, duid_len = 0, ifaces = 0x0, ctl_buf = 0x0, ctl_buflen = 0, ctl_bufpos = 0, ctl_extra = 0, routes = {
rbt_root = 0x0, rbt_ops = 0x55c8a57fb7a0 <rt_compare_os_ops.lto_priv>, rbt_minmax = {0x0, 0x0}}, froutes = {rbt_root = 0x0, rbt_ops = 0x55c8a57fb780 <rt_compare_free_ops.lto_priv>, rbt_minmax = {0x0, 0x0}}, rt_order = 0, pf_inet_fd = -1,
priv = 0x0, link_fd = -1, link_rcvbuf = 0, seq = 0, sseq = 0, sigset = {__val = {0 <repeats 16 times>}}, eloop = 0x55c8d3b3cea0, script = 0x55c8a57e9745 "/usr/libexec/dhcpcd-run-hooks", script_fp = 0x0, script_buf = 0x0, script_buflen = 0,
script_env = 0x0, script_envlen = 0, control_fd = -1, control_unpriv_fd = -1, control_fds = {tqh_first = 0x0, tqh_last = 0x7ffcd96e0b70}, control_sock = '\000' <repeats 40 times>, control_sock_unpriv = '\000' <repeats 47 times>,
control_group = 0, vivso = 0x0, vivso_len = 0, randomstate = 0x0, ps_user = 0x7f819d754200 <resbuf>, ps_processes = {tqh_first = 0x0, tqh_last = 0x7ffcd96e0c00}, ps_root = 0x0, ps_inet = 0x0, ps_ctl = 0x0, ps_data_fd = 0, ps_log_fd = -1,
ps_log_root_fd = -1, ps_eloop = 0x0, ps_control = 0x0, ps_control_client = 0x0, dhcp_opts = 0x55c8d3b39e70, dhcp_opts_len = 157, udp_rfd = -1, udp_wfd = -1, opt_buffer = 0x0, opt_buffer_len = 0, secret = 0x0, secret_len = 0, nd_fd = -1,
ra_routers = 0x0, nd_opts = 0x55c8d3b271f0, nd_opts_len = 7, dhcp6_rfd = -1, dhcp6_wfd = -1, dhcp6_opts = 0x55c8d3b448c0, dhcp6_opts_len = 84, dev_load = 0x0, dev_fd = -1, dev = 0x0, dev_handle = 0x0}
ifaddrs = 0x0
ifo = 0x55c8d3b29720
ifp = <optimized out>
family = <optimized out>
opt = <optimized out>
oi = 53
i = 0
logopts = <optimized out>
t = <optimized out>
len = <optimized out>
pid = <optimized out>
fork_fd = {5, 6}
sig = <optimized out>
siga = <optimized out>
si = 1
__func__ = "main"
(gdb) q
A debugging session is active.
Inferior 1 [process 29707] will be killed.
Quit anyway? (y or n) y
$ cat .gdbinit
echo ################################\nhandle SIG33 pass nostop noprint\n
handle SIG33 pass nostop noprint
echo ##################\nset pagination off\n
set pagination off
echo ##############\nbacktrace full\n
backtrace full
echo ##############\ninfo registers\n
info registers
echo ###############################\nthread apply all backtrace full\n
thread apply all backtrace full
echo #########\nx/16i $pc\n
x/16i $pc
echo ##########################\nthread apply all backtrace\n
thread apply all backtrace
@perkelix: do you want me to run the previous Command that I tried to run with these Settings ?
Can you please put it in a Code block so it's clear which \n is needed and which not ?
@perkelix: do you want me to run the previous Command that I tried to run with these Settings ?
If you don't use gdb too often, putting these into your config produces a good basic set of data.
Well something isn't working unfortunately :disappointed:
/root/.gdbinit:6: Error in sourced command file:
No stack.
Anyway, complete Command & Output
root@HOST:~# gdb -ex=r --args dhcpcd "--debug" "-w" "--reconfigure" "ens18" "--nolink" "--ipv6only"
GNU gdb (Fedora Linux) 15.2-3.fc41
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
################################
handle SIG33 pass nostop noprint
##################
set pagination off
##############
backtrace full
/root/.gdbinit:6: Error in sourced command file:
No stack.
Reading symbols from dhcpcd...
This GDB supports auto-downloading debuginfo from the following URLs:
<https://debuginfod.fedoraproject.org/>
Enable debuginfod for this session? (y or [n]) y
Debuginfod has been enabled.
To make this setting permanent, add 'set debuginfod enabled on' to .gdbinit.
Reading symbols from /root/.cache/debuginfod_client/ae337d25a5c0762467309cc1c5a23adda6b888e6/debuginfo...
Starting program: /usr/sbin/dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
dhcpcd-10.0.8 starting
[Detaching after fork from child process 37200]
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 37201
spawned privileged proxy on PID 37202
spawned network proxy on PID 37203
spawned controller proxy on PID 37204
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 37205
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37206
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37207
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 37208
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
dhcp6_openudp: Address already in use
ps_inet_listenin6: Address already in use
ps_root_recvmsg: Address already in use
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
ens18: deleting address 2aXX:XXXX:XXXX:XXXX::8:13/128
ens18: DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY exited unexpectedly from PID 37208, code=1
ens18: adding address 2aXX:XXXX:XXXX:XXXX::8:13/64
ens18: pltime infinity, vltime infinity
ens18: adding route to 2aXX:XXXX:XXXX:1::/64
ens18: DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 exited from PID 37205
dhcpcd_fork_cb: dhcpcd manager hungup
[Inferior 1 (process 37197) exited with code 01]
(gdb) run
Starting program: /usr/sbin/dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
dhcpcd-10.0.8 starting
[Detaching after fork from child process 37264]
chrooting as dhcpcd to /var/lib/dhcpcd
spawned manager process on PID 37265
sandbox: seccomp
spawned privileged proxy on PID 37266
spawned network proxy on PID 37267
spawned controller proxy on PID 37268
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 37269
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37270
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37271
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 37272
dhcp6_openudp: Address already in use
ps_inet_listenin6: Address already in use
ps_root_recvmsg: Address already in use
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
ens18: deleting address 2aXX:XXXX:XXXX:XXXX::8:13/128
ens18: adding address 2aXX:XXXX:XXXX:XXXX::8:13/64
ens18: pltime infinity, vltime infinity
ens18: DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY exited unexpectedly from PID 37272, code=1
ens18: adding route to 2aXX:XXXX:XXXX:1::/64
ens18: DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 exited from PID 37269
dhcpcd_fork_cb: dhcpcd manager hungup
[Inferior 1 (process 37263) exited with code 01]
(gdb) b dhcpcd_fork_cb
Breakpoint 1 at 0x55e74a202be0: file /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c, line 1844.
(gdb) run
Starting program: /usr/sbin/dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
dhcpcd-10.0.8 starting
[Detaching after fork from child process 37326]
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 37327
spawned privileged proxy on PID 37328
spawned network proxy on PID 37329
spawned controller proxy on PID 37330
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 37331
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37332
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37333
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 37334
dhcp6_openudp: Address already in use
ps_inet_listenin6: Address already in use
ps_root_recvmsg: Address already in use
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY exited unexpectedly from PID 37334, code=1
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
ens18: deleting address 2aXX:XXXX:XXXX:XXXX::8:13/128
ens18: adding address 2aXX:XXXX:XXXX:XXXX::8:13/64
ens18: pltime infinity, vltime infinity
ens18: adding route to 2aXX:XXXX:XXXX:1::/64
ens18: DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 exited from PID 37331
Breakpoint 1, dhcpcd_fork_cb (arg=0x7fffdee007d0, events=513) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:1844
1844 {
(gdb) step
1849 if (!(events & ELE_READ))
(gdb) step
1852 len = read(ctx->fork_fd, &exit_code, sizeof(exit_code));
(gdb) step
read (__fd=<optimized out>, __buf=<optimized out>, __nbytes=<optimized out>, __fd=<optimized out>, __buf=<optimized out>, __nbytes=<optimized out>) at /usr/include/bits/unistd.h:32
warning: Source file is more recent than executable.
32 return __glibc_fortify (read, __nbytes, sizeof (char),
(gdb) continue
Continuing.
dhcpcd_fork_cb: dhcpcd manager hungup
[Inferior 1 (process 37325) exited with code 01]
(gdb) backtrace full
No stack.
(gdb) b dhcpcd_fork_cb
Note: breakpoint 1 also set at pc 0x55ae6d3f0be0.
Breakpoint 2 at 0x55ae6d3f0be0: file /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c, line 1844.
(gdb) run
Starting program: /usr/sbin/dhcpcd --debug -w --reconfigure ens18 --nolink --ipv6only
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
dhcpcd-10.0.8 starting
[Detaching after fork from child process 37469]
chrooting as dhcpcd to /var/lib/dhcpcd
sandbox: seccomp
spawned manager process on PID 37470
spawned privileged proxy on PID 37471
spawned network proxy on PID 37472
spawned controller proxy on PID 37473
DUID XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 on PID 37474
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37475
ens18: spawned DHCP6 proxy 2aXX:XXXX:XXXX:XXXX:YYYY:YYYY:YYYY:YYYY on PID 37476
ens18: spawned DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY on PID 37477
dhcp6_openudp: Address already in use
ps_inet_listenin6: Address already in use
ps_root_recvmsg: Address already in use
ens18: executing: /usr/libexec/dhcpcd-run-hooks PREINIT
ens18: IAID YY:YY:YY:YY
ens18: IA type 3 IAID 00:00:00:01
ens18: deleting address 2aXX:XXXX:XXXX:XXXX::8:13/128
ens18: adding address 2aXX:XXXX:XXXX:XXXX::8:13/64
ens18: pltime infinity, vltime infinity
ens18: DHCP6 proxy fe80::YYYY:YYYY:YYYY:YYYY exited unexpectedly from PID 37477, code=1
ens18: adding route to 2aXX:XXXX:XXXX:1::/64
ens18: DHCP6 proxy 2aXX:XXXX:XXXX:XXXX::8:13 exited from PID 37474
Breakpoint 1, dhcpcd_fork_cb (arg=0x7ffc749e5910, events=513) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:1844
1844 {
(gdb) backtrace full
#0 dhcpcd_fork_cb (arg=0x7ffc749e5910, events=513) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:1844
ctx = <optimized out>
exit_code = 32764
len = <optimized out>
__func__ = "dhcpcd_fork_cb"
#1 0x000055902ac1aa1b in eloop_run_ppoll (eloop=<optimized out>, ts=<optimized out>, signals=0x7ffc749e5b50) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/eloop.c:1106
nn = 0
e = 0x55904be19070
n = <optimized out>
pfd = <optimized out>
events = <optimized out>
n = <optimized out>
nn = <optimized out>
e = <optimized out>
pfd = <optimized out>
events = <optimized out>
#2 eloop_start (eloop=0x55904be0fea0, signals=signals@entry=0x7ffc749e5b50) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/eloop.c:1228
error = <optimized out>
t = <optimized out>
ts = {tv_sec = 94078236688032, tv_nsec = -9217119560907659776}
tsp = <optimized out>
#3 0x000055902ac17ee7 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at /usr/src/debug/dhcpcd-10.0.8-1.fc41.x86_64/src/dhcpcd.c:2651
ctx = {pidfile = "/run/dhcpcd/ens18-6.pid", '\000' <repeats 15 times>, vendor = '\000' <repeats 255 times>, fork_fd = 5, cffile = 0x55902ac5f4bd "/etc/dhcpcd.conf", options = 4903298724375844905, logfile = 0x0, argc = 7, argv = 0x7ffc749e5ee8,
ifac = 0, ifav = 0x0, ifdc = 0, ifdv = 0x0, ifc = 1, ifv = 0x7ffc749e5f18, ifcc = 1, ifcv = 0x55904be0fe60, duid_type = 1 '\001', duid = 0x0, duid_len = 0, ifaces = 0x0, ctl_buf = 0x0, ctl_buflen = 0, ctl_bufpos = 0, ctl_extra = 0, routes = {
rbt_root = 0x0, rbt_ops = 0x55902ac717a0 <rt_compare_os_ops.lto_priv>, rbt_minmax = {0x0, 0x0}}, froutes = {rbt_root = 0x0, rbt_ops = 0x55902ac71780 <rt_compare_free_ops.lto_priv>, rbt_minmax = {0x0, 0x0}}, rt_order = 0, pf_inet_fd = -1,
priv = 0x0, link_fd = -1, link_rcvbuf = 0, seq = 0, sseq = 0, sigset = {__val = {0 <repeats 16 times>}}, eloop = 0x55904be0fea0, script = 0x55902ac5f745 "/usr/libexec/dhcpcd-run-hooks", script_fp = 0x0, script_buf = 0x0, script_buflen = 0,
script_env = 0x0, script_envlen = 0, control_fd = -1, control_unpriv_fd = -1, control_fds = {tqh_first = 0x0, tqh_last = 0x7ffc749e5c10}, control_sock = '\000' <repeats 40 times>, control_sock_unpriv = '\000' <repeats 47 times>,
control_group = 0, vivso = 0x0, vivso_len = 0, randomstate = 0x0, ps_user = 0x7fca15062200 <resbuf>, ps_processes = {tqh_first = 0x0, tqh_last = 0x7ffc749e5ca0}, ps_root = 0x0, ps_inet = 0x0, ps_ctl = 0x0, ps_data_fd = 0, ps_log_fd = -1,
ps_log_root_fd = -1, ps_eloop = 0x0, ps_control = 0x0, ps_control_client = 0x0, dhcp_opts = 0x55904be0ce70, dhcp_opts_len = 157, udp_rfd = -1, udp_wfd = -1, opt_buffer = 0x0, opt_buffer_len = 0, secret = 0x0, secret_len = 0, nd_fd = -1,
ra_routers = 0x0, nd_opts = 0x55904bdfa1f0, nd_opts_len = 7, dhcp6_rfd = -1, dhcp6_wfd = -1, dhcp6_opts = 0x55904be178c0, dhcp6_opts_len = 84, dev_load = 0x0, dev_fd = -1, dev = 0x0, dev_handle = 0x0}
ifaddrs = 0x0
ifo = 0x55904bdfc720
ifp = <optimized out>
family = <optimized out>
opt = <optimized out>
oi = 53
i = 0
logopts = <optimized out>
t = <optimized out>
len = <optimized out>
pid = <optimized out>
fork_fd = {5, 6}
sig = <optimized out>
siga = <optimized out>
si = 1
__func__ = "main"
(gdb) exit;
Invalid character ';' in expression.
(gdb) exit
A debugging session is active.
Inferior 1 [process 37468] will be killed.
Quit anyway? (y or n) y