Re: Very strange Xen domU crash

[Thomas Schwinge]

Hello!

On Fri, Dec 12, 2008 at 02:04:20AM +0100, Samuel Thibault wrote:
> Thomas Schwinge, le Fri 12 Dec 2008 01:58:18 +0100, a écrit :
> > This may be triggered by network traffic, but that is very vague, of
> > course.  Any idea?
> 
> No idea.  Nothing in xm dmesg?

Oh, didn't know I was to look there.  Indeed:

    [...]
    (XEN) Xen trace buffers: disabled
    (XEN) Std. Loglevel: Errors and warnings
    (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
    (XEN) Xen is relinquishing VGA console.
    (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input 
to Xen)
    (XEN) Freed 96kB init memory.
    (XEN) domain_crash_sync called from entry.S (ff1888be)
    (XEN) Domain 4 (vcpu#0) crashed on cpu#0:
    (XEN) ----[ Xen-3.2-1  x86_32p  debug=n  Not tainted ]----
    (XEN) CPU:    0
    (XEN) EIP:    0009:[<00000000>]
    (XEN) EFLAGS: 00010212   CONTEXT: guest
    (XEN) eax: 057df918   ebx: ffffffff   ecx: 06fa0000   edx: 057df918
    (XEN) esi: ffffffff   edi: 21524110   ebp: ffffffff   esp: 00000000
    (XEN) cr0: 8005003b   cr4: 000006f0   cr3: 48cd4000   cr2: c0000000
    (XEN) ds: 0011   es: 0011   fs: 001f   gs: 0011   ss: 0011   cs: 0009
    (XEN) Guest stack trace from esp=00000000:
    (XEN)   Stack empty.
    (XEN) domain_crash_sync called from entry.S (ff1888be)
    (XEN) Domain 5 (vcpu#0) crashed on cpu#0:
    (XEN) ----[ Xen-3.2-1  x86_32p  debug=n  Not tainted ]----
    (XEN) CPU:    0
    (XEN) EIP:    0009:[<00042af0>]
    (XEN) EFLAGS: 00010216   CONTEXT: guest
    (XEN) eax: 0587b000   ebx: 656a626f   ecx: 06fe0000   edx: 0587b000
    (XEN) esi: 6c206f6e   edi: 20736168   ebp: 20656c69   esp: 66207463
    (XEN) cr0: 8005003b   cr4: 000006f0   cr3: 48ce4000   cr2: 0909a010
    (XEN) ds: 0011   es: 0011   fs: 001f   gs: 0011   ss: 0011   cs: 0009
    (XEN) Guest stack trace from esp=66207463:
    (XEN)   Fault while accessing guest memory.
    (XEN) domain_crash_sync called from entry.S (ff1888be)
    (XEN) Domain 9 (vcpu#0) crashed on cpu#0:
    (XEN) ----[ Xen-3.2-1  x86_32p  debug=n  Not tainted ]----
    (XEN) CPU:    0
    (XEN) EIP:    0009:[<00000000>]
    (XEN) EFLAGS: 00010212   CONTEXT: guest
    (XEN) eax: 0574e9c0   ebx: 00000000   ecx: 06fb0000   edx: 0574e9c0
    (XEN) esi: 00000000   edi: 00000000   ebp: 00000000   esp: 00000000
    (XEN) cr0: 8005003b   cr4: 000006f0   cr3: 4fcd5000   cr2: c0000000
    (XEN) ds: 0011   es: 0011   fs: 001f   gs: 0011   ss: 0011   cs: 0009
    (XEN) Guest stack trace from esp=00000000:
    (XEN)   Stack empty.


Regards,
 Thomas

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