APPLIED: [SRU trusty] [pull request] (upstream) xgene: BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059] on poweroff

[Brad Figg]

On Wed, Jan 07, 2015 at 06:09:06PM -0500, Craig Magina wrote:
> On Tue, Jan 6, 2015 at 12:48 PM, Andy Whitcroft <apw at canonical.com> wrote:
> > On Fri, Dec 19, 2014 at 12:52:20PM -0500, Craig Magina wrote:
> >> This contains two upstream commits backported from utopic.
> >>
> >> BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404335
> >>
> >>
> >> The following changes since commit 892d23edba04d9a97e9843e85be961e52aa2d604:
> >>
> >>   UBUNTU: Ubuntu-3.13.0-44.73 (2014-12-15 16:01:34 -0800)
> >>
> >> are available in the git repository at:
> >>
> >>   git://kernel.ubuntu.com/cmagina/trusty-xgene.git lp1404335
> >>
> >> for you to fetch changes up to 00032765b9a95eb12852c924979b307c27a2ec42:
> >>
> >>   arm64: Fix deadlock scenario with smp_send_stop() (2014-12-19 12:39:45 -0500)
> >>
> >> ----------------------------------------------------------------
> >> Arun KS (2):
> >>       arm64: Fix machine_shutdown() definition
> >>       arm64: Fix deadlock scenario with smp_send_stop()
> >>
> >>  arch/arm64/kernel/process.c | 45 +++++++++++++++++++++++++++++++++++++--------
> >>  1 file changed, 37 insertions(+), 8 deletions(-)
> >>
> >> Thank you,
> >
> >   commit 00032765b9a95eb12852c924979b307c27a2ec42
> >   Author: Arun KS <arunks.linux at gmail.com>
> >   Date:   Wed May 7 02:41:23 2014 +0100
> >
> >     arm64: Fix deadlock scenario with smp_send_stop()
> >
> > This first one, seems to have needed backporting because we have not
> > applied the following to remove fiq support:
> >
> >   commit f864b61ee49bbf3faf9a10b9770c719536328d01
> >   Author: Nicolas Pitre <nicolas.pitre at linaro.org>
> >   Date:   Wed Jan 29 18:00:45 2014 +0000
> >
> >     arm64: FIQs are unused
> >
> > I would think we either want that one, or you want to leave the
> > following line in in your backport:
> >
> > -       local_fiq_disable();
> >
> > The other patch looks fine.
> >
> > -apw
> 
> Thanks for taking a look. I rebased that patch and tested the result,
> it still fixes the issue, so here is a new pull request with that one
> change you suggested.
> 
> The following changes since commit 892d23edba04d9a97e9843e85be961e52aa2d604:
> 
>   UBUNTU: Ubuntu-3.13.0-44.73 (2014-12-15 16:01:34 -0800)
> 
> are available in the git repository at:
> 
>   git://kernel.ubuntu.com/cmagina/trusty-xgene.git lp1404335
> 
> for you to fetch changes up to 7433e57af3002208851e0ef86458ad03797f01da:
> 
>   arm64: Fix deadlock scenario with smp_send_stop() (2015-01-07 14:32:52 -0500)
> 
> ----------------------------------------------------------------
> Arun KS (2):
>       arm64: Fix machine_shutdown() definition
>       arm64: Fix deadlock scenario with smp_send_stop()
> 
>  arch/arm64/kernel/process.c | 44 +++++++++++++++++++++++++++++++++++++-------
>  1 file changed, 37 insertions(+), 7 deletions(-)
> 
> Thank you,
> -- 
> Craig Magina
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

Applied to Trusty master-next

-- 
Brad Figg brad.figg at canonical.com http://www.canonical.com