Re: [Xen-devel] trying to debug xen4 & qemu-dm, Xen reports "core dump failed"

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 26/01/2010 18:36, "0bo0" <0.bugs.only.0@xxxxxxxxx> wrote:

>> If qemu-dm died without logging anything, it probably crashed again. If it
>> produced a core file you could load that in gdb and get a symbolic
>> backtrace.
> 
> trying to turn on core dumps in xend-config, unfortunately, Xen seems
> to fail @ core dump ... in addition to failing to launch a DomU which
> works fine under Xen3,

Ah, sorry, I meant a core file produced when qemu-dm crashes (that is,
assuming that qemu-dm does crash, which appears likely). All the log files
tell us is that xend thinks that qemu-dm process simply disappeared without
warning. The question is obviously: why did it disappear, and only for you
in your setup.

 -- Keir



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