Re: [Xen-devel] kernel BUG at arch/x86/xen/mmu.c:1860!

[Teck Choon Giam <giamteckchoon@xxxxxxxxx>]

On Wed, Jan 26, 2011 at 10:31 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:

On Tue, Jan 25, 2011 at 09:48:09AM -0500, Konrad Rzeszutek Wilk wrote:
> On Mon, Jan 24, 2011 at 11:56:21PM +0800, Teck Choon Giam wrote:
> > On Mon, Jan 24, 2011 at 10:36 PM, Konrad Rzeszutek Wilk <
> > konrad.wilk@xxxxxxxxxx> wrote:
> >
> > > On Mon, Jan 24, 2011 at 09:42:02AM +0800, Teck Choon Giam wrote:
> > > > Sorry, does anyone able to solve this bug?  My prevention doing sleep 5
> > > and
> > > > sync method only last me longest 20+- days of uptime then the same bug
> > > will
> > > > appear :(
> > >
> > > You have to give more details. Which kernel and what does the back-trace
> > > look like?
> > >
> >
> > Thanks for your prompt reply.
> >
> > Kernel is from
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=summary latest
> > stable/2.6.32.x

What does git log show? What is the latest commit you have there?

commit 75cc13f5aa29b4f3227d269ca165dfa8937c94fe
Merge: 2607c07 a386bf7
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Date:   Thu Dec 9 17:16:16 2010 -0800

    Merge commit 'v2.6.32.27' into xen/next-2.6.32
   
    * commit 'v2.6.32.27': (128 commits)
      Linux 2.6.32.27
      x86: uv: xpc NULL deref when mesq becomes empty
      X86: uv: xpc_make_first_contact hang due to not accepting ACTIVE state
      x86: uv: XPC receive message reuse triggers invalid BUG_ON()
      UV - XPC: pass nasid instead of nid to gru_create_message_queue
      net sched: fix some kernel memory leaks
      act_nat: use stack variable
      nmi: fix clock comparator revalidation
      net: Limit socket I/O iovec total length to INT_MAX.
      net: Truncate recvfrom and sendto length to INT_MAX.
      rds: Integer overflow in RDS cmsg handling
      econet: fix CVE-2010-3850
      econet: disallow NULL remote addr for sendmsg(), fixes CVE-2010-3849
      x86-32: Fix dummy trampoline-related inline stubs
      x86, mm: Fix CONFIG_VMSPLIT_1G and 2G_OPT trampoline
      x86-32: Separate 1:1 pagetables from swapper_pg_dir
      crypto: padlock - Fix AES-CBC handling on odd-block-sized input
      x25: Prevent crashing when parsing bad X.25 facilities
      V4L/DVB: ivtvfb: prevent reading uninitialized stack memory
      can-bcm: fix minor heap overflow
      ...
   
    Conflicts:
        drivers/xen/events.c

Anything that I can test or you need me to test... feel free to ask so that I can speed up in tracking/hunting this bug down :)

Thanks.

Kindest regards,
Giam Teck Choon
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