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From Chris Kaltwasser <ch...@netpos.com>
Subject Re: SIGILL, illegal instruction on httpd startup
Date Wed, 13 Jun 2012 11:04:53 GMT
> looks like your CPU does not support an instruction the library is
> trying to use. Or the lib is corrupted.
>
> What does "cat /proc/cpuinfo" say?
>
> Thanks for the suggestion. I've pasted that output below. But, wouldn't a
more likely cause for an illegal instruction be some bug in modperl, for
example a call to an uninitialized function pointer, or the code had been
over written during runtime?  (All other components seem to be behaving
correctly.)

$ cat /proc/cpuinfo

processor    : 0
vendor_id    : AuthenticAMD
cpu family    : 21
model        : 1
model name    : AMD Opteron(TM) Processor 6238
stepping    : 2
cpu MHz        : 2600.008
cache size    : 2048 KB
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu tsc msr pae cx8 cmov pat clflush mmx fxsr sse sse2
syscall nx mmxext fxsr_opt lm rep_good unfair_spinlock pni pclmulqdq ssse3
cx16 sse4_1 sse4_2 popcnt aes avx hypervisor lahf_lm cmp_legacy svm
cr8_legacy abm sse4a misalignsse 3dnowprefetch xop fma4
bogomips    : 5200.01
TLB size    : 1536 4K pages
clflush size    : 64
cache_alignment    : 64
address sizes    : 48 bits physical, 48 bits virtual
power management:

processor    : 1
vendor_id    : AuthenticAMD
cpu family    : 21
model        : 1
model name    : AMD Opteron(TM) Processor 6238
stepping    : 2
cpu MHz        : 2600.008
cache size    : 2048 KB
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu tsc msr pae cx8 cmov pat clflush mmx fxsr sse sse2
syscall nx mmxext fxsr_opt lm rep_good unfair_spinlock pni pclmulqdq ssse3
cx16 sse4_1 sse4_2 popcnt aes avx hypervisor lahf_lm cmp_legacy svm
cr8_legacy abm sse4a misalignsse 3dnowprefetch xop fma4
bogomips    : 5200.01
TLB size    : 1536 4K pages
clflush size    : 64
cache_alignment    : 64
address sizes    : 48 bits physical, 48 bits virtual
power management:

processor    : 2
vendor_id    : AuthenticAMD
cpu family    : 21
model        : 1
model name    : AMD Opteron(TM) Processor 6238
stepping    : 2
cpu MHz        : 2600.008
cache size    : 2048 KB
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu tsc msr pae cx8 cmov pat clflush mmx fxsr sse sse2
syscall nx mmxext fxsr_opt lm rep_good unfair_spinlock pni pclmulqdq ssse3
cx16 sse4_1 sse4_2 popcnt aes avx hypervisor lahf_lm cmp_legacy svm
cr8_legacy abm sse4a misalignsse 3dnowprefetch xop fma4
bogomips    : 5200.01
TLB size    : 1536 4K pages
clflush size    : 64
cache_alignment    : 64
address sizes    : 48 bits physical, 48 bits virtual
power management:

processor    : 3
vendor_id    : AuthenticAMD
cpu family    : 21
model        : 1
model name    : AMD Opteron(TM) Processor 6238
stepping    : 2
cpu MHz        : 2600.008
cache size    : 2048 KB
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu tsc msr pae cx8 cmov pat clflush mmx fxsr sse sse2
syscall nx mmxext fxsr_opt lm rep_good unfair_spinlock pni pclmulqdq ssse3
cx16 sse4_1 sse4_2 popcnt aes avx hypervisor lahf_lm cmp_legacy svm
cr8_legacy abm sse4a misalignsse 3dnowprefetch xop fma4
bogomips    : 5200.01
TLB size    : 1536 4K pages
clflush size    : 64
cache_alignment    : 64
address sizes    : 48 bits physical, 48 bits virtual
power management:

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