[uml-devel] general protection failures

[Felix Antonius Wilhelm Ostmann <ostmann@websuche.de>]

We use UML since 4 years on one host (P4). Now we build another UML-Host
on a Xeon and all was fine. A week ago we startet the third guest at the
Xeon Host and after some time the guest was killed from the host (see
the log at the end). It is allways the third startet guest. We stopped
all guest and startet in different order and the last (third) startet
guest get the general protection error. Thanks for any help!


root@intern5:~# uname -a
Linux intern5 2.6.26-2-amd64 #1 SMP Thu Sep 16 15:56:38 UTC 2010 x86_64
GNU/Linux

root@intern5:~# cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            3050  @ 2.13GHz
stepping	: 2
cpu MHz		: 2127.996
cache size	: 2048 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx est
tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 4259.35
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            3050  @ 2.13GHz
stepping	: 2
cpu MHz		: 2127.996
cache size	: 2048 KB
physical id	: 0
siblings	: 2
core id		: 1
cpu cores	: 2
apicid		: 1
initial apicid	: 1
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx est
tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 4256.01
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:


from syslog:
/var/log/syslog.3.gz:Oct 11 16:10:47 intern5 kernel: [1426630.978434]
linux[12823] general protection ip:7ff09deb335c sp:6036f9f0 error:0 in
libc-2.7.so[7ff09de80000+14a000]
/var/log/syslog.0:Oct 14 13:11:46 intern5 kernel: [1746379.944590]
linux[10692] general protection ip:7fa95e01f35c sp:6036f9f0 error:0 in
libc-2.7.so[7fa95dfec000+14a000]
/var/log/syslog.0:Oct 14 14:02:17 intern5 kernel: [1750128.783826]
linux[2412] general protection ip:7fba8fbe435c sp:6036f9f0 error:0 in
libc-2.7.so[7fba8fbb1000+14a000]
/var/log/syslog:Oct 15 10:20:03 intern5 kernel: [1843583.905016]
linux[5075] general protection ip:7f0b9128f35c sp:6036f9f0 error:0 in
libc-2.7.so[7f0b9125c000+14a000]
/var/log/syslog:Oct 15 11:20:17 intern5 kernel: [1848103.636375]
linux[10785] general protection ip:7f6a7dc2735c sp:6036f9f0 error:0 in
libc-2.7.so[7f6a7dbf4000+14a000]


-- 
Mit freundlichen Grüßen

Felix Antonius Wilhelm Ostmann
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