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20 hours ago •
openucx
openucx
Core dumps from ucx_info -d
Describe the bug
Segfaults/core dumps when running ucx_info -d
Steps to Reproduce
- ucx 1.13.0 release installation with
./configure --prefix=$HOME/bin/ucx-1.13.0
ucx_info -v
# Version 1.13.0
# Git branch '', revision 6765970
# Configured with: --prefix=$HOME/bin/ucx-1.13.0
Setup and versions
- OS version (e.g Linux distro) + CPU architecture (x86_64/aarch64/ppc64le/...)
- CentOS Linux release 8.4.2105, Linux XXX 4.18.0-305.25.1.el8_4.x86_64 x86_64 x86_64 x86_64 GNU/Linux
- For RDMA/IB/RoCE related issues:
- Driver version:
- libibverbs-41mlnx1-OFED.4.9.3.0.0.49417.x86_64
- MLNX_OFED_LINUX-4.9-4.1.7.0
- HW information from
ibstatcommand
- Driver version:
CA 'mlx5_0'
CA type: MT4123
Number of ports: 1
Firmware version: 20.32.1010
Hardware version: 0
Node GUID: 0xb88303ffff8dbf40
System image GUID: 0xb88303ffff8dbf40
Port 1:
State: Active
Physical state: LinkUp
Rate: 100
Base lid: 337
LMC: 0
SM lid: 12170
Capability mask: 0x2651e848
Port GUID: 0xb88303ffff8dbf40
Link layer: InfiniBand
CA 'mlx5_1'
CA type: MT4123
Number of ports: 1
Firmware version: 20.32.1010
Hardware version: 0
Node GUID: 0xb88303ffff8dbf42
System image GUID: 0xb88303ffff8dbf40
Port 1:
State: Active
Physical state: LinkUp
Rate: 100
Base lid: 18
LMC: 0
SM lid: 12170
Capability mask: 0x2641e848
Port GUID: 0xb88303ffff8dbf42
Link layer: InfiniBand
CA 'mlx5_2'
CA type: MT4115
Number of ports: 1
Firmware version: 12.28.1002
Hardware version: 0
Node GUID: 0xb88303ffffa3e29c
System image GUID: 0xb88303ffffa3e29c
Port 1:
State: Active
Physical state: LinkUp
Rate: 100
Base lid: 0
LMC: 0
SM lid: 0
Capability mask: 0x00010000
Port GUID: 0xba8303fffea3e29c
Link layer: Ethernet
CA 'mlx5_3'
CA type: MT4115
Number of ports: 1
Firmware version: 12.28.1002
Hardware version: 0
Node GUID: 0xb88303ffffa3e29d
System image GUID: 0xb88303ffffa3e29c
Port 1:
State: Down
Physical state: Disabled
Rate: 10
Base lid: 65535
LMC: 0
SM lid: 0
Capability mask: 0x2651e848
Port GUID: 0xb88303ffffa3e29d
Link layer: InfiniBand
Additional information (depending on the issue)
- Output of
ucx_info -dand error message:
ib_exp_md.c:700 Assertion `!md->super.relaxed_order' failed
$HOME/src/ucx-1.13.0/src/uct/ib/mlx5/exp/ib_exp_md.c: [ uct_ib_mlx5_exp_md_open() ]
...
697 md->super.ops = &uct_ib_mlx5_md_ops;
698
699 uct_ib_md_parse_relaxed_order(&md->super, md_config);
==> 700 ucs_assert(!md->super.relaxed_order);
701 md->super.memh_struct_size = sizeof(uct_ib_mlx5_mem_t),
702
703 status = uct_ib_md_open_common(&md->super, ibv_device, md_config);
==== backtrace (tid:2160133) ====
0 0x000000000002baa8 uct_ib_mlx5_exp_md_open() $HOME/src/ucx-1.13.0/src/uct/ib/mlx5/exp/ib_exp_md.c:700
1 0x0000000000025c2e uct_ib_md_open() $HOME/src/ucx-1.13.0/src/uct/ib/base/ib_md.c:1547
2 0x00000000000128ab uct_md_open() $HOME/src/ucx-1.13.0/src/uct/base/uct_md.c:81
3 0x0000000000406605 print_md_info() $HOME/src/ucx-1.13.0/src/tools/info/tl_info.c:403
4 0x0000000000406ce2 print_uct_component_info() $HOME/src/ucx-1.13.0/src/tools/info/tl_info.c:591
5 0x0000000000406e0a print_uct_info() $HOME/src/ucx-1.13.0/src/tools/info/tl_info.c:617
6 0x0000000000402a5c main() $HOME/src/ucx-1.13.0/src/tools/info/ucx_info.c:261
7 0x0000000000023493 __libc_start_main() ???:0
8 0x0000000000402b8e _start() ???:0
=================================
Trying to debug I ran with valgrind - and with this it works just fine and outputs ib infos:
valgrind $HOME/bin/ucx_info -d
...
# Memory domain: mlx5_1
# Component: ib
# register: unlimited, cost: 180 nsec
# remote key: 8 bytes
# local memory handle is required for zcopy
#
# Transport: dc_mlx5
# Device: mlx5_1:1
# Type: network
# System device: mlx5_1 (0)
#
# capabilities:
# bandwidth: 11794.23/ppn + 0.00 MB/sec
# latency: 660 nsec
# overhead: 40 nsec
# put_short: <= 2K
# put_bcopy: <= 8256
# put_zcopy: <= 1G, up to 11 iov
# put_opt_zcopy_align: <= 512
# put_align_mtu: <= 4K
# get_bcopy: <= 8256
# get_zcopy: 65..1G, up to 11 iov
# get_opt_zcopy_align: <= 512
# get_align_mtu: <= 4K
# am_short: <= 2046
# am_bcopy: <= 8254
# am_zcopy: <= 8254, up to 3 iov
# am_opt_zcopy_align: <= 512
# am_align_mtu: <= 4K
# am header: <= 138
# domain: device
# atomic_add: 32, 64 bit
# atomic_and: 32, 64 bit
# atomic_or: 32, 64 bit
# atomic_xor: 32, 64 bit
# atomic_fadd: 32, 64 bit
# atomic_fand: 32, 64 bit
# atomic_for: 32, 64 bit
# atomic_fxor: 32, 64 bit
# atomic_swap: 32, 64 bit
# atomic_cswap: 32, 64 bit
# connection: to iface
# device priority: 50
# device num paths: 1
# max eps: inf
# device address: 3 bytes
# iface address: 5 bytes
# error handling: buffer (zcopy), remote access, peer failure, ep_check
#
#
# Transport: rc_verbs
# Device: mlx5_1:1
# Type: network
...
Hi, could you please post cat /proc/cpuinfo and ucx_info -b
Also could you please set environment variable UCX_IB_PCI_RELAXED_ORDERING=no and run ucx_info -d, this supposed to be workaround for the issue
Thanks for the response.
First, setting UCX_IB_PCI_RELAXED_ORDERING=no helped and prevents the segfault.
And here the requested output:
Output from ucx_info -b
#define UCX_CONFIG_H
#define ENABLE_ASSERT 1
#define ENABLE_BUILTIN_MEMCPY 1
#define ENABLE_DEBUG_DATA 0
#define ENABLE_MT 0
#define ENABLE_PARAMS_CHECK 1
#define HAVE_1_ARG_BFD_SECTION_SIZE 0
#define HAVE_ALLOCA 1
#define HAVE_ALLOCA_H 1
#define HAVE_ATTRIBUTE_NOOPTIMIZE 1
#define HAVE_CLEARENV 1
#define HAVE_CPLUS_DEMANGLE 1
#define HAVE_CPU_SET_T 1
#define HAVE_DC_EXP 1
#define HAVE_DECL_ASPRINTF 1
#define HAVE_DECL_BASENAME 1
#define HAVE_DECL_BFD_GET_SECTION_FLAGS 1
#define HAVE_DECL_BFD_GET_SECTION_VMA 1
#define HAVE_DECL_BFD_SECTION_FLAGS 0
#define HAVE_DECL_BFD_SECTION_VMA 1
#define HAVE_DECL_CPU_ISSET 1
#define HAVE_DECL_CPU_ZERO 1
#define HAVE_DECL_ETHTOOL_CMD_SPEED 1
#define HAVE_DECL_FMEMOPEN 1
#define HAVE_DECL_FUSE_MOUNT 0
#define HAVE_DECL_FUSE_OPEN_CHANNEL 0
#define HAVE_DECL_FUSE_UNMOUNT 0
#define HAVE_DECL_F_SETOWN_EX 1
#define HAVE_DECL_GETAUXVAL 1
#define HAVE_DECL_IBV_ACCESS_ON_DEMAND 1
#define HAVE_DECL_IBV_ACCESS_RELAXED_ORDERING 0
#define HAVE_DECL_IBV_ADVISE_MR 0
#define HAVE_DECL_IBV_ALLOC_DM 0
#define HAVE_DECL_IBV_CMD_MODIFY_QP 1
#define HAVE_DECL_IBV_CREATE_CQ_ATTR_IGNORE_OVERRUN 0
#define HAVE_DECL_IBV_CREATE_CQ_EX 0
#define HAVE_DECL_IBV_CREATE_QP_EX 1
#define HAVE_DECL_IBV_CREATE_SRQ 1
#define HAVE_DECL_IBV_CREATE_SRQ_EX 1
#define HAVE_DECL_IBV_EVENT_GID_CHANGE 1
#define HAVE_DECL_IBV_EVENT_TYPE_STR 1
#define HAVE_DECL_IBV_EXP_ACCESS_ALLOCATE_MR 1
#define HAVE_DECL_IBV_EXP_ACCESS_ON_DEMAND 1
#define HAVE_DECL_IBV_EXP_ALLOC_DM 1
#define HAVE_DECL_IBV_EXP_ATOMIC_HCA_REPLY_BE 1
#define HAVE_DECL_IBV_EXP_CQ_IGNORE_OVERRUN 1
#define HAVE_DECL_IBV_EXP_CQ_MODERATION 1
#define HAVE_DECL_IBV_EXP_CREATE_QP 1
#define HAVE_DECL_IBV_EXP_CREATE_RES_DOMAIN 1
#define HAVE_DECL_IBV_EXP_CREATE_SRQ 1
#define HAVE_DECL_IBV_EXP_DCT_OOO_RW_DATA_PLACEMENT 1
#define HAVE_DECL_IBV_EXP_DESTROY_RES_DOMAIN 1
#define HAVE_DECL_IBV_EXP_DEVICE_ATTR_PCI_ATOMIC_CAPS 1
#define HAVE_DECL_IBV_EXP_DEVICE_ATTR_RESERVED_2 1
#define HAVE_DECL_IBV_EXP_DEVICE_DC_TRANSPORT 1
#define HAVE_DECL_IBV_EXP_DEVICE_MR_ALLOCATE 1
#define HAVE_DECL_IBV_EXP_MR_FIXED_BUFFER_SIZE 1
#define HAVE_DECL_IBV_EXP_MR_INDIRECT_KLMS 1
#define HAVE_DECL_IBV_EXP_ODP_SUPPORT_IMPLICIT 1
#define HAVE_DECL_IBV_EXP_POST_SEND 1
#define HAVE_DECL_IBV_EXP_PREFETCH_MR 1
#define HAVE_DECL_IBV_EXP_PREFETCH_WRITE_ACCESS 1
#define HAVE_DECL_IBV_EXP_QPT_DC_INI 1
#define HAVE_DECL_IBV_EXP_QP_CREATE_UMR 1
#define HAVE_DECL_IBV_EXP_QP_INIT_ATTR_ATOMICS_ARG 1
#define HAVE_DECL_IBV_EXP_QP_INIT_ATTR_RES_DOMAIN 1
#define HAVE_DECL_IBV_EXP_QP_OOO_RW_DATA_PLACEMENT 1
#define HAVE_DECL_IBV_EXP_QUERY_DEVICE 1
#define HAVE_DECL_IBV_EXP_QUERY_GID_ATTR 1
#define HAVE_DECL_IBV_EXP_REG_MR 1
#define HAVE_DECL_IBV_EXP_RES_DOMAIN_THREAD_MODEL 1
#define HAVE_DECL_IBV_EXP_SEND_EXT_ATOMIC_INLINE 1
#define HAVE_DECL_IBV_EXP_SETENV 1
#define HAVE_DECL_IBV_EXP_WR_EXT_MASKED_ATOMIC_CMP_AND_SWP 1
#define HAVE_DECL_IBV_EXP_WR_EXT_MASKED_ATOMIC_FETCH_AND_ADD 1
#define HAVE_DECL_IBV_EXP_WR_NOP 1
#define HAVE_DECL_IBV_GET_ASYNC_EVENT 1
#define HAVE_DECL_IBV_GET_DEVICE_NAME 1
#define HAVE_DECL_IBV_LINK_LAYER_ETHERNET 1
#define HAVE_DECL_IBV_LINK_LAYER_INFINIBAND 1
#define HAVE_DECL_IBV_MLX5_EXP_GET_CQ_INFO 1
#define HAVE_DECL_IBV_MLX5_EXP_GET_QP_INFO 1
#define HAVE_DECL_IBV_MLX5_EXP_GET_SRQ_INFO 1
#define HAVE_DECL_IBV_MLX5_EXP_UPDATE_CQ_CI 1
#define HAVE_DECL_IBV_ODP_SUPPORT_IMPLICIT 0
#define HAVE_DECL_IBV_QPF_GRH_REQUIRED 0
#define HAVE_DECL_IBV_QUERY_DEVICE_EX 1
#define HAVE_DECL_IBV_QUERY_GID 1
#define HAVE_DECL_IBV_WC_STATUS_STR 1
#define HAVE_DECL_INOTIFY_ADD_WATCH 1
#define HAVE_DECL_INOTIFY_INIT 1
#define HAVE_DECL_IN_ATTRIB 1
#define HAVE_DECL_IPPROTO_TCP 1
#define HAVE_DECL_MADV_FREE 1
#define HAVE_DECL_MADV_REMOVE 1
#define HAVE_DECL_MLX5_WQE_CTRL_SOLICITED 1
#define HAVE_DECL_POSIX_MADV_DONTNEED 1
#define HAVE_DECL_PR_SET_PTRACER 1
#define HAVE_DECL_SOL_SOCKET 1
#define HAVE_DECL_SO_KEEPALIVE 1
#define HAVE_DECL_SPEED_UNKNOWN 1
#define HAVE_DECL_STRERROR_R 1
#define HAVE_DECL_SYS_BRK 1
#define HAVE_DECL_SYS_IPC 0
#define HAVE_DECL_SYS_MADVISE 1
#define HAVE_DECL_SYS_MMAP 1
#define HAVE_DECL_SYS_MREMAP 1
#define HAVE_DECL_SYS_MUNMAP 1
#define HAVE_DECL_SYS_SHMAT 1
#define HAVE_DECL_SYS_SHMDT 1
#define HAVE_DECL_TCP_KEEPCNT 1
#define HAVE_DECL_TCP_KEEPIDLE 1
#define HAVE_DECL_TCP_KEEPINTVL 1
#define HAVE_DECL___PPC_GET_TIMEBASE 0
#define HAVE_DECL___PPC_GET_TIMEBASE_FREQ 0
#define HAVE_DETAILED_BACKTRACE 1
#define HAVE_DLFCN_H 1
#define HAVE_EXP_UMR 1
#define HAVE_EXP_UMR_KSM 1
#define HAVE_HW_TIMER 1
#define HAVE_IB 1
#define HAVE_IBV_DM 1
#define HAVE_IBV_EXP_DM 1
#define HAVE_IBV_EXP_QP_CREATE_UMR 1
#define HAVE_IBV_EXP_RES_DOMAIN 1
#define HAVE_IB_EXT_ATOMICS 1
#define HAVE_IN6_ADDR_S6_ADDR32 1
#define HAVE_INFINIBAND_MLX5_HW_H 1
#define HAVE_INOTIFY 1
#define HAVE_INTTYPES_H 1
#define HAVE_IP_IP_DST 1
#define HAVE_LIBBFD 1
#define HAVE_LIBGEN_H 1
#define HAVE_LIBRT 1
#define HAVE_LINUX_FUTEX_H 1
#define HAVE_LINUX_IP_H 1
#define HAVE_LINUX_MMAN_H 1
#define HAVE_MALLOC_H 1
#define HAVE_MALLOC_HOOK 1
#define HAVE_MALLOC_TRIM 1
#define HAVE_MASKED_ATOMICS_ENDIANNESS 1
#define HAVE_MEMALIGN 1
#define HAVE_MEMORY_H 1
#define HAVE_MLX5_HW 1
#define HAVE_MLX5_HW_UD 1
#define HAVE_MREMAP 1
#define HAVE_NETINET_IP_H 1
#define HAVE_NET_ETHERNET_H 1
#define HAVE_NUMA 1
#define HAVE_NUMAIF_H 1
#define HAVE_NUMA_H 1
#define HAVE_ODP 1
#define HAVE_ODP_IMPLICIT 1
#define HAVE_POSIX_MEMALIGN 1
#define HAVE_PREFETCH 1
#define HAVE_SCHED_GETAFFINITY 1
#define HAVE_SCHED_SETAFFINITY 1
#define HAVE_SIGACTION_SA_RESTORER 1
#define HAVE_SIGEVENT_SIGEV_UN_TID 1
#define HAVE_SIGHANDLER_T 1
#define HAVE_STDINT_H 1
#define HAVE_STDLIB_H 1
#define HAVE_STRERROR_R 1
#define HAVE_STRINGS_H 1
#define HAVE_STRING_H 1
#define HAVE_STRUCT_BITMASK 1
#define HAVE_STRUCT_DL_PHDR_INFO 1
#define HAVE_STRUCT_IBV_ASYNC_EVENT_ELEMENT_DCT 1
#define HAVE_STRUCT_IBV_EXP_CREATE_SRQ_ATTR_DC_OFFLOAD_PARAMS 1
#define HAVE_STRUCT_IBV_EXP_DEVICE_ATTR_EXP_DEVICE_CAP_FLAGS 1
#define HAVE_STRUCT_IBV_EXP_DEVICE_ATTR_ODP_CAPS 1
#define HAVE_STRUCT_IBV_EXP_DEVICE_ATTR_ODP_CAPS_PER_TRANSPORT_CAPS_DC_ODP_CAPS 1
#define HAVE_STRUCT_IBV_EXP_DEVICE_ATTR_ODP_MR_MAX_SIZE 1
#define HAVE_STRUCT_IBV_EXP_QP_INIT_ATTR_MAX_INL_RECV 1
#define HAVE_STRUCT_IBV_MLX5_QP_INFO_BF_NEED_LOCK 1
#define HAVE_STRUCT_MLX5_AH_IBV_AH 1
#define HAVE_STRUCT_MLX5_CQE64_IB_STRIDE_INDEX 1
#define HAVE_STRUCT_MLX5_GRH_AV_RMAC 1
#define HAVE_STRUCT_MLX5_SRQ_CMD_QP 1
#define HAVE_STRUCT_MLX5_WQE_AV_BASE 1
#define HAVE_SYS_EPOLL_H 1
#define HAVE_SYS_EVENTFD_H 1
#define HAVE_SYS_STAT_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_SYS_UIO_H 1
#define HAVE_TL_DC 1
#define HAVE_TL_RC 1
#define HAVE_TL_UD 1
#define HAVE_UCM_PTMALLOC286 1
#define HAVE_UNISTD_H 1
#define HAVE_VERBS_EXP_H 1
#define HAVE___CLEAR_CACHE 1
#define HAVE___CURBRK 1
#define HAVE___SIGHANDLER_T 1
#define IBV_HW_TM 1
#define LT_OBJDIR ".libs/"
#define NVALGRIND 1
#define PACKAGE "ucx"
#define PACKAGE_BUGREPORT ""
#define PACKAGE_NAME "ucx"
#define PACKAGE_STRING "ucx 1.13"
#define PACKAGE_TARNAME "ucx"
#define PACKAGE_URL ""
#define PACKAGE_VERSION "1.13"
#define STDC_HEADERS 1
#define STRERROR_R_CHAR_P 1
#define UCM_BISTRO_HOOKS 1
#define UCS_MAX_LOG_LEVEL UCS_LOG_LEVEL_TRACE_POLL
#define UCT_TCP_EP_KEEPALIVE 1
#define UCT_UD_EP_DEBUG_HOOKS 0
#define UCX_CONFIGURE_FLAGS "--prefix=$HOME/bin/ucx-1.13.0"
#define UCX_MODULE_SUBDIR "ucx"
#define VERSION "1.13"
#define restrict __restrict
#define test_MODULES ":module"
#define ucm_MODULES ""
#define ucs_MODULES ""
#define uct_MODULES ":ib:rdmacm:cma:knem"
#define uct_cuda_MODULES ""
#define uct_ib_MODULES ""
#define uct_rocm_MODULES ""
#define ucx_perftest_MODULES ""
Output from cat /proc/cpuinfo:
processor : 0
vendor_id : AuthenticAMD
cpu family : 23
model : 49
model name : AMD EPYC 7702 64-Core Processor
stepping : 0
microcode : 0x830104d
cpu MHz : 1796.051
cache size : 512 KB
physical id : 0
siblings : 128
core id : 0
cpu cores : 64
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 16
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
bugs : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
bogomips : 3992.82
TLB size : 3072 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
processor : 1
vendor_id : AuthenticAMD
cpu family : 23
model : 49
model name : AMD EPYC 7702 64-Core Processor
stepping : 0
microcode : 0x830104d
cpu MHz : 1794.426
cache size : 512 KB
physical id : 0
siblings : 128
core id : 1
cpu cores : 64
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 16
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
bugs : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
bogomips : 3992.82
TLB size : 3072 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
...
I am not sure if this was addressed looking at the change log history. However, I would like to report, that I cannot reproduce the issue with UCX 1.14.0.