Messages in this thread | | | Date | Sun, 23 Dec 2012 12:59:50 -0800 | From | Jonathan Nieder <> | Subject | [2.6.32.y, 2.6.34.y] Re: [PATCH] x86: Don't use the EFI reboot method by default |
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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
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