Since some time (weeks/months?) when closing chromium browser I see general
protection faults in libc.
On openSUSE Leap 15.3 dmesg shows:
[ 3095.177712] show_signal: 55 callbacks suppressed
[ 3095.177717] traps: chrome[6342] general protection fault ip:7f6da946b517
sp:7fff85c3af20 error:0 in libc-2.31.so[7f6da9430000+1cb000]
[ 3097.129713] traps: chrome[6380] general protection fault ip:7f6da946b517
sp:7fff85c3af20 error:0 in libc-2.31.so[7f6da9430000+1cb000]
CPU (lscpu):
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 48 bits physical, 48 bits virtual
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 2
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 21
Model: 2
Model name: AMD FX(tm)-8350 Eight-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1400.000
CPU max MHz: 4000.0000
CPU min MHz: 1400.0000
BogoMIPS: 8037.84
Virtualization: AMD-V
L1d cache: 64 KiB
L1i cache: 256 KiB
L2 cache: 8 MiB
L3 cache: 8 MiB
NUMA node0 CPU(s): 0-7
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled
via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and
__user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full AMD retpoline, IBPB
conditional, STIBP disabled, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
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 nons
top_tsc cpuid extd_apicid aperfmperf pni
pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse
3dnowprefetch osvw ibs xop skinit wdt fma4
tce nodeid_msr tbm topoext perfctr_core perfctr_nb cpb hw_pstate ssbd ibpb
vmmcall bmi1 arat npt lbrv svm_lock nrip_save tsc_scale vm
cb_clean flushbyasid decodeassists pausefilter
pfthreshold
The same happens on other machines as well and in openSUSE Leap 15.2:
dmesg:
[Nov 3 09:51] traps: chrome[10538] general protection fault ip:7fb143397af4
sp:7fffa6936bd0 error:0 in libc-2.26.so[7fb14335d000+1b1000]
[Nov 3 10:25] traps: chrome[115913] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +32,092832] traps: chrome[117578] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +2,958182] traps: chrome[117663] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[Nov 3 10:26] traps: chrome[115903] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[Nov 3 10:27] traps: chrome[121555] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +8,946133] traps: chrome[122014] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +2,563519] traps: chrome[122179] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[Nov 3 10:28] traps: chrome[121543] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +31,635640] traps: chrome[126916] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +22,005454] traps: chrome[128192] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[Nov 3 10:29] traps: chrome[128286] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
[ +31,039070] traps: chrome[126900] general protection fault ip:7f94ee4d9af4
sp:7fff13858c00 error:0 in libc-2.26.so[7f94ee49f000+1b1000]
CPU:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 43 bits physical, 48 bits virtual
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 32
Socket(s): 2
NUMA node(s): 8
Vendor ID: AuthenticAMD
CPU family: 23
Model: 1
Model name: AMD EPYC 7601 32-Core Processor
Stepping: 2
CPU MHz: 2656.409
BogoMIPS: 4391.45
Virtualization: AMD-V
L1d cache: 32K
L1i cache: 64K
L2 cache: 512K
L3 cache: 8192K
NUMA node0 CPU(s): 0,8,16,24,32,40,48,56,64,72,80,88,96,104,112,120
NUMA node1 CPU(s): 2,10,18,26,34,42,50,58,66,74,82,90,98,106,114,122
NUMA node2 CPU(s): 4,12,20,28,36,44,52,60,68,76,84,92,100,108,116,124
NUMA node3 CPU(s): 6,14,22,30,38,46,54,62,70,78,86,94,102,110,118,126
NUMA node4 CPU(s): 1,9,17,25,33,41,49,57,65,73,81,89,97,105,113,121
NUMA node5 CPU(s): 3,11,19,27,35,43,51,59,67,75,83,91,99,107,115,123
NUMA node6 CPU(s): 5,13,21,29,37,45,53,61,69,77,85,93,101,109,117,125
NUMA node7 CPU(s): 7,15,23,31,39,47,55,63,71,79,87,95,103,111,119,127
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 amd_dcm
aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes
xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a
misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb
bpext perfctr_llc mwaitx cpb hw_pstate sme ssbd sev ibpb vmmcall fsgsbase bmi1
avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves
clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean
flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif
overflow_recov succor smca