segfault and multiple traps on x86_64

[Leonid Kalmankin]

Greetings!

In dmesg I see stuff like:

rpmbuild[3842] trap int3 rip:402d9e rsp:7fbfffb540 error:0
rpmbuild[3842] trap int3 rip:4026d1 rsp:7fbfffb538 error:0
sh[3843] trap int3 rip:415f39 rsp:7fbffff8c8 error:0
sh[3843]: segfault at 0000000000000000 rip 0000000000000000 rsp 0000007fbffff8b8 error 14
rpmbuild[3842] trap int3 rip:402dea rsp:7fbfffb540 error:0
rpmbuild[3842] trap int3 rip:4025d1 rsp:7fbfffb538 error:0
rpmbuild[3842] trap int3 rip:402ced rsp:7fbfffb540 error:0
rpmbuild[3842] trap int3 rip:4027c1 rsp:7fbffff688 error:0

segfault is scarry.
Are these traps harmless or do they mean some serious software/hardware problem?

The system is:
Fedora Core 2 x86_64, last updates, vanilla 2.6.8.1, dual AMD Opteron, 4G RAM

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 5
model name      : AMD Opteron(tm) Processor 246
stepping        : 10
cpu MHz         : 1992.318
cache size      : 1024 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
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 syscall nx mmxext lm 3dnowext 3dnow
bogomips        : 3915.77
TLB size        : 1088 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp
 
[skipping 2nd processor info]

SY,
LVK
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