Package: mcelog
Version: 100-1
Architecture: i386
Severity: important
I think this is what caused #738927 to be noticed, but this is a separate issue.
# strace -efile,read,ioctl,exit_group mcelog
execve("/usr/sbin/mcelog", ["mcelog"], [/* 15 vars */]) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/i686/cmov/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\213^B4\0\0\0"...,
512) = 512
open("/etc/mcelog/mcelog.conf", O_RDONLY) = 3
read(3, "#\n# Example config file for mcel"..., 4096) = 4096
read(3, "the hardware does not report DIM"..., 4096) = 1966
read(3, "", 4096) = 0
open("/proc/cpuinfo", O_RDONLY) = 3
read(3, "processor\t: 0\nvendor_id\t: Authen"..., 1024) = 1024
mcelog: AMD Processor family 16: Please load edac_mce_amd module.
: Success
CPU is unsupported
exit_group(1) = ?
The error message appears to be bogus for three separate reasons:
1) The module is named amd64_edac_mod.ko
2) I have CONFIG_EDAC_AMD64=y, so don't need the module
3) It prints the error before doing anything that could theoretically
detect the presence of such a module in the kernel, so loading
the module wouldn't helo.
For comparison, specifying the CPU results in normal operation:
# strace -efile,read,ioctl,exit_group mcelog --cpu k8
execve("/usr/sbin/mcelog", ["mcelog", "--cpu", "k8"], [/* 15 vars */]) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/i686/cmov/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\213^B4\0\0\0"...,
512) = 512
open("/etc/mcelog/mcelog.conf", O_RDONLY) = 3
read(3, "#\n# Example config file for mcel"..., 4096) = 4096
read(3, "the hardware does not report DIM"..., 4096) = 1966
read(3, "", 4096) = 0
open("/dev/mem", O_RDONLY) = 3
open("/sys/firmware/efi/systab", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/proc/efi/systab", O_RDONLY) = -1 ENOENT (No such file or directory)
access("/etc/mcelog", R_OK|X_OK) = 0
access("/etc/mcelog/cache-error-trigger", R_OK|X_OK) = 0
open("/dev/mcelog", O_RDONLY) = 3
ioctl(3, MCE_GET_RECORD_LEN or MTRRIOC_SET_ENTRY, 0xfff90ca8) = 0
ioctl(3, MCE_GET_LOG_LEN or MTRRIOC_DEL_ENTRY, 0xfff90ca4) = 0
read(3, "", 2816) = 0
exit_group(0) = ?
FWIW, here's 1/4 of my /proc/cpuinfo:
processor : 0
vendor_id : AuthenticAMD
cpu family : 16
model : 2
model name : AMD Phenom(tm) 9850 Quad-Core Processor
stepping : 3
microcode : 0x1000083
cpu MHz : 2500.164
cache size : 512 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 5
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 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni
monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a
misalignsse 3dnowprefetch osvw ibs hw_pstate npt lbrv svm_lock
bogomips : 5002.67
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm stc 100mhzsteps hwpstate
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