On Fri, 2010-08-20 at 22:16 +0300, Timo Juhani Lindfors wrote: > Package: linux-2.6 > Version: 2.6.32-18 > Severity: normal > > Steps to reproduce: > 1) boot debian under xen > 2) sudo aptitude install oprofile gdb > 3) sudo opcontrol --init --no-vmlinux > 4) sudo opcontrol --start > 5) gdb /bin/true > 6) type "break main" and enter > 7) type "y" and enter > 8) type "run" and enter > > Expected results: > 6) /bin/true runs under gdb and exits > > Actual results: > 6) the kernel crashes with > > [1223191.614234] alignment check: 0000 [#1] SMP [...] Somehow I didn't notice earlier that this is an alignment check and not a seg-fault or similar. Alignment checks are normally disabled on x86. This may well be a bug in the hypervisor. It looks like this bug has previously been discussed on the xen-devel list: <http://thread.gmane.org/gmane.comp.emulators.xen.devel/80223>. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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