Re: kernel BUG - handle_mm_fault - Ubuntu 14.04 kernel 3.13.0-29-generic

From: Kirill A. Shutemov
Date: Thu Jun 19 2014 - 12:36:29 EST


On Thu, Jun 19, 2014 at 06:10:11PM +0200, Peter Maloney wrote:
> Hi, can someone please take a look at this and tell me what is going on?
>
> The event log reports no ECC errors.
>
> This machine was working fine with an older Ubuntu version, and has
> failed this way twice since an upgrade 2 weeks ago.
>
> Symptoms include:
> - load goes up high, currently 1872.72
> - "ps -ef" hangs
> - this time I tested "echo w > /proc/sysrq-trigger" which made the
> local shell and ssh hang, and ctrl+alt+del doesn't work, but machine
> still responds to ping
>
> Please CC me; I'm not on the list.
>
> Thanks,
> Peter
>
>
>
> Here's the log:
>
> Jun 12 15:42:42 node73 kernel: [17196.908781] ------------[ cut here
> ]------------
> Jun 12 15:42:42 node73 kernel: [17196.909789] kernel BUG at
> /build/buildd/linux-3.13.0/mm/memory.c:3756!

Looks like this:

http://lkml.org/lkml/2014/5/8/275

It seems the commit 107437febd49 has added to 3.13.11.3 "extended stable",
but not in other -stable.

Rik, should it be there too?

--
Kirill A. Shutemov
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