Re: [Xen-devel] LVM userspace causing dom0 crash

["Christopher S. Aker" <caker@xxxxxxxxxxxx>]

On 5/7/12 2:37 PM, Christopher S. Aker wrote:
> This looks suspiciously like the problem described by Nai Xia in "mm:
> page_check_address bug fix and make it validate subpages in huge pages"
> <http://lkml.org/lkml/2011/3/28/196> - which never made it into mainline
> that I can detect.
>
> We've rebuilt without CONFIG_HIGHPTE and are running our test again. We
> shall see.
No joy just disabling CONFIG_HIGHPTE.  Triggered it on four boxes in no 
time.  Bugs out exactly the same as before except the second BUG 
"scheduling while atomic" doesn't happen.
On 5/7/12 1:17 PM, Konrad Rzeszutek Wilk wrote:
> Hm, can you give more details on what parameters you are passing to
> dom0 and the hypervisor so I can reproduce it?
Xen and dom0 binaries and modules, and arguments here:

http://theshore.net/~caker/xen/BUGS/lvm/

This is atop hardware RAID -- we haven't tested on anything other than 
Supermicro motherboards.
Thanks,
-Chris

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