[CentOS-virt] xen-c6 fails to boot

Tue Dec 2 13:36:25 UTC 2014
Bob Ball <bob.ball at citrix.com>

> -----Original Message-----
> From: Johnny Hughes
> On 12/01/2014 04:48 AM, Bob Ball wrote:
> >
> >  [<ffffffff81575480>] panic+0xc4/0x1e1
> >  [<ffffffff81054836>] find_new_reaper+0x176/0x180
> >  [<ffffffff81055345>] forget_original_parent+0x45/0x2c0
> >  [<ffffffff81107214>] ? task_function_call+0x44/0x50
> >  [<ffffffff810555d7>] exit_notify+0x17/0x140
> >  [<ffffffff81057053>] do_exit+0x1f3/0x450
> >  [<ffffffff81057305>] do_group_exit+0x55/0xd0
> >  [<ffffffff81057397>] sys_exit_group+0x17/0x20
> >  [<ffffffff815806a9>] system_call_fastpath+0x16/0x1b
> 
> It works fine for me .. you might consider using CentOS-6.6 and not
> CentOS-6.4 .. also, we now use a 3.10 kernel and the latest version of
> xen is 4.2.5 in the /6.6/xen4/ repo.

Updated to CentOS-6.6, but I still get the same issue.

By the above I assume you're using the xen4 repo rather than the xen-c6 repository referred to by http://wiki.centos.org/QaWiki/Xen4?
Is the xen-c6 repo now considered broken or deprecated with the xen4 repo used in preference?

> BUT .. it seems to be a hardware/driver issue.

The same hardware (cluster of 10 machines) was successfully working with the xen-c6 repository previously; I'm not sure what issue might have occurred to cause this failure on all hosts which is why I think it's a software issue.  Possibly a driver issue although the last successful run was using the same kernel so I assume had roughly the same drivers installed.  Note that the 3.4 kernel boots fine without Xen, it is only under Xen that the boot fails and the machine restarts.

Bob