From: Willy Tarreau <w@1wt.eu>
To: Jonathan Nieder <jrnieder@gmail.com>
Cc: stable@vger.kernel.org, Matthew Garrett <mjg@redhat.com>,
x86@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org,
Keith Ward <keith@chaos-realm.net>,
Ben Hutchings <ben@decadent.org.uk>,
Paul Gortmaker <paul.gortmaker@windriver.com>
Subject: Re: [2.6.32.y, 2.6.34.y] Re: [PATCH] x86: Don't use the EFI reboot method by default
Date: Sun, 23 Dec 2012 22:03:48 +0100 [thread overview]
Message-ID: <20121223210348.GG3263@1wt.eu> (raw)
In-Reply-To: <20121223205950.GA16511@elie.Belkin>
Hi Jonathan,
[ccing Paul for 2.6.34]
On Sun, Dec 23, 2012 at 12:59:50PM -0800, Jonathan Nieder wrote:
> Hi Willy et al,
>
> Please consider
>
> f70e957cda22 x86: Don't use the EFI reboot method by default,
> 2011-07-06
>
> for application to the 2.6.32.y and 2.6.34.y trees. The patch was
> applied upstream late in the 3.0 cycle, so newer kernels don't need
> it.
>
> In 2011, Keith Ward wrote[1]:
>
> > When attempting to reboot my my UEFI enabled system, the system hangs when
> > calling reboot requiring me to manually reset the system via the reset switch.
> >
> > Screenshot: http://twitgoo.com/29bq1c
>
> Ben Hutchings writes[1]:
>
> > Version: 3.0.0-1
> >
> > I also had this problem on my own system, but it is fixed now.
> > I bisected the fix to:
> >
> > commit f70e957cda22d309c769805cbb932407a5232219
> > Author: Matthew Garrett <mjg@redhat.com>
> > Date: Wed Jul 6 16:52:37 2011 -0400
> >
> > x86: Don't use the EFI reboot method by default
> >
> > which is basically equivalent to the workaround!
> >
> > I'll also apply this fix to squeeze as it's so simple.
>
> Keith Ward also wrote[1]:
>
> > It seems as if this has recently been reported at Ubuntu's Launchpad as well:
> > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/721576
>
> There are a variety of reports of the same panic at that bug on
> 2.6.32.y-, 2.6.38.y-, and 2.6.39-based kernels. Passing "reboot=a,w"
> on the kernel command line avoids trouble for reporters.
>
> Regards,
> Jonathan
>
> [1] http://bugs.debian.org/626022
Thanks for the detailed report. I'm queuing it now.
Best regards,
Willy
next prev parent reply other threads:[~2012-12-23 21:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-06 20:52 [PATCH] x86: Don't use the EFI reboot method by default Matthew Garrett
2011-07-07 15:08 ` [tip:x86/urgent] " tip-bot for Matthew Garrett
2012-12-23 20:59 ` [2.6.32.y, 2.6.34.y] Re: [PATCH] " Jonathan Nieder
2012-12-23 21:03 ` Willy Tarreau [this message]
2012-12-23 21:11 ` Ben Hutchings
2012-12-23 23:33 ` Willy Tarreau
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