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Re: [Xen-devel] XL: pv guests dont reboot after migration (xen-4.1.2-rc3) libc-2.11.2 segfault



On 10/15/2011 07:45 AM, Ian Campbell wrote:
On Sat, 2011-10-15 at 02:01 +0100, Andreas Olsowski wrote:

pv guests dont reboot after migration,
just when xl should reboot the machine syslog shows:


Oct 15 02:46:32 netcatarina kernel: xl[14986]: segfault at 7f0ec70a3008
ip 00007f0ec7d517f9 sp 00007fff366cf100 error 4 in
libc-2.11.2.so[7f0ec7cdb000+158000]

Can you run under gdb and get a backtrace? Or perhaps core file is
dropped somewhere?
How? xl migrate-receive is not started by hand. Can you point me to the location within the code that calls it so i can put a "gdb" infront of it?


> Or perhaps core file is dropped somewhere?
Wouldnt i have to run a debugging enabled build of xen for that?

I found this in the log dir:


root@netcatarina:/var/log/xen# cat xl-testmig--incoming.log
Waiting for domain testmig--incoming (domid 67) to die [pid 3429]
Domain 67 is dead
Action for shutdown reason code 1 is restart
Domain 67 needs to be cleaned up: destroying the domain
Done. Rebooting now
xc: error: 0-length read: Internal error
xc: error: read_exact_timed failed (read rc: 0, errno: 0): Internal error
xc: error: read: p2m_size (0 = Success): Internal error




--
Andreas

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