Re: DomU crashed

[Damian Lubosch <dl%xiqit.de@localhost>]

Damian Lubosch wrote:
> 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
> 

Sorry, I forgot to mention: I am using NetBSD4-Beta for dom0 and XEN 2.0
and NetBSD 3.0.1 for the domUs