Re: [Bugme-new] [Bug 8378] New: Averatec 3156X laptop doesn'treboot with kernels > 2.6.13.5 (responsible commit found)

[Andrew Morton]

On Fri, 27 Apr 2007 10:42:25 -0700
bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=8378
> 
>            Summary: Averatec 3156X laptop doesn't reboot with kernels >
>                     2.6.13.5 (responsible commit found)
>     Kernel Version: 2.6.14 till 2.6.21
>             Status: NEW
>           Severity: normal
>              Owner: power-management_other@xxxxxxxxxxxxxxxxxxxx
>          Submitter: lee-in-berlin@xxxxxx
> 
> 
> Most recent kernel where this bug did *NOT* occur: 2.6.13.5
> 
> Distribution: Debian
> Hardware Environment: Averatec 3156X (seemingly identical to the american model
> 3150P)
> Software Environment:?
> Problem Description:
> I noticed that with recent kernels my laptop would reboot when I do an 'init 6',
> but hang at the end of the init run. The last working vanilla kernel is
> 2.6.13.5. With some trying and a bit of guessing I found a change to
> include/asm-i386/mach-default/mach_reboot.h in 2.6.14 to be the culprit. It can
> be found at:
> http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.14.y.git;a=commitdiff;h=59f4e7d572980a521b7bdba74ab71b21f5995538
> 
> On a 2.6.21 source tree I can revert this patch, and then rebooting works.
> 
> Steps to reproduce:
> 1) On a Averatec 3156X (or 3150p?) boot to your default runlevel.
> 2) as root, type "init 6".
> 3) instead of rebooting, the system will hang at the end with a blank screen.
> 

Oh dear.  We have an ugly i386 snafu here.  Thanks for doing the bisection
- it helps enormously.

Could some brave person please pick it up and see if we can get both
Truxton and Lee's machines working?

-
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