Kernel panic with 4.3.0-0.bpo.1-amd64 #1 SMP Debian 4.3.5-1~bpo8+1 (2016-02-23)

[talex5]

On:

root@ucp:~# uname -a
Linux ucp 4.3.0-0.bpo.1-amd64 #1 SMP Debian 4.3.5-1~bpo8+1 (2016-02-23) x86_64 GNU/Linux

Moby build under Datakit failed, with dmesg reporting:

[259075.913336] ------------[ cut here ]------------
[259075.913347] WARNING: CPU: 2 PID: 6525 at /home/zumbi/linux-4.3.5/fs/inode.c:273 drop_nlink+0x39/0x40()
[259075.913353] Modules linked in: 9p 9pnet fscache xt_nat xt_tcpudp veth xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables x_tables nf_nat nf_conntrack br_netfilter bridge stp llc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c loop dm_mod intel_rapl iosf_mbi x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul jitterentropy_rng sha256_ssse3 sha256_generic hmac drbg ansi_cprng aesni_intel evdev aes_x86_64 lrw pcspkr gf128mul glue_helper ablk_helper cryptd autofs4 ext4 crc16 mbcache jbd2 xen_netfront xen_blkfront crc32c_intel
[259075.913404] CPU: 2 PID: 6525 Comm: git Tainted: G        W       4.3.0-0.bpo.1-amd64 #1 Debian 4.3.5-1~bpo8+1
[259075.913409]  0000000000000000 0000000073b84b68 ffffffff812e1ac9 0000000000000000
[259075.913415]  ffffffff81074451 ffff88001064ba80 ffff88006cc23060 0000000000000200
[259075.913421]  ffff8800102a6c18 ffff8800e975b000 ffffffff811ea029 ffff88001064ba80
[259075.913426] Call Trace:
[259075.913431]  [<ffffffff812e1ac9>] ? dump_stack+0x40/0x57
[259075.913435]  [<ffffffff81074451>] ? warn_slowpath_common+0x81/0xb0
[259075.913438]  [<ffffffff811ea029>] ? drop_nlink+0x39/0x40
[259075.913443]  [<ffffffffa02c6791>] ? v9fs_remove+0x71/0xb0 [9p]
[259075.913447]  [<ffffffff811dc6dc>] ? vfs_rmdir+0xac/0x120
[259075.913451]  [<ffffffff811dfbd0>] ? do_rmdir+0x1e0/0x200
[259075.913455]  [<ffffffff8158a9f6>] ? system_call_fast_compare_end+0xc/0x6b
[259075.913458] ---[ end trace ce481105300b8298 ]---

[justincormack]

Ah Linux 9p being buggy as always.