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DomU crashed



Hello!

Yesterday one of my 6 domU crashed and gave out the following output:

uvm_fault(0xcaea3544, 0xbfef5000, 0, 1) -> 0xe
kernel: page fault trap, code=0
Stopped in pid 26725.1 (httpd) at       netbsd:pmap_enter+0x6da:
movl    0
(%eax),%edi
pmap_enter(cadfa274,bd4ed000,debc000,1,20) at netbsd:pmap_enter+0x6da
uvm_fault(caea3544,bd4ec000,0,1,1) at netbsd:uvm_fault+0xd40
trap() at netbsd:trap+0x2af
--- trap (number 6) ---
0xbd4502e6:
ds          0x11
es          0x11
fs          0x31
gs          0x11
edi         0xc08b69f4
esi         0
ebp         0xcae87df8
ebx         0xf2a003b4
edx         0xc04a6000  emul_freebsd_object+0x594cc
ecx         0xbfc00000
eax         0xbfef53b4
eip         0xc034df02  pmap_enter+0x6da
cs          0x9
eflags      0x10293
esp         0xcae87d90
ss          0x11
netbsd:pmap_enter+0x6da:        movl    0(%eax),%edi
Stopped in pid 26725.1 (httpd) at       netbsd:pmap_enter+0x6da:
movl    0
(%eax),%edi
db> bt
pmap_enter(cadfa274,bd4ed000,debc000,1,20) at netbsd:pmap_enter+0x6da
uvm_fault(caea3544,bd4ec000,0,1,1) at netbsd:uvm_fault+0xd40
trap() at netbsd:trap+0x2af
--- trap (number 6) ---
0xbd4502e6:

Can anybody tell me what happened there?

My environment works with an IPSec network between the domUs and another
XEN machine.
Some domUs have a real external IP address via "ifconfig xennet0 alias".
There is a lot of Rsync traffic within the IPSec network between this
and another physical "brother"-XEN machine. Furthermore, this domU
serves as a webserver and a nfs-server for another domU webserver (it
shares its /home directory)

My hope is that the information above may give a hint of what is wrong.

Thanks in advance for any help.

Damian Lubosch




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