Am 01.05.2014 12:29, schrieb Toralf Förster:
> On 05/01/2014 11:22 AM, Richard Weinberger wrote:
>> On Wed, Apr 30, 2014 at 8:19 PM, Toralf Förster <toralf.foerster@gmx.de> wrote:
>>> -or- it uncovers a bug in kernel v3.15-rc3 for UML:
>>
>> UML most not panic. :)
>>
>> Do you have the trinity logs?
>> I'd like to know the syscalls parameters.
> I run trinity with "-C 2 -c mremap" within the guest, the logs are attached

Can you please try the attached pre-patch?
It looks like the panic() in that code is an overreaction.
I'm currently looking deeper in the issue.

BTW: If you hit "BUG: failure at mm/filemap.c:202/__delete_from_page_cache()!",
this is a known issue https://lkml.org/lkml/2014/4/15/577

Thanks,
//richard