linux-kernel - Re: [3.4-rc1][Regression][intel] Resume from suspend to disk hangs on restoring backlight state

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAKMK7uF6DY-cZTkNn6y5aAqK0WjFJhCfww_BbfgwpNLe8Mio4A@mail.gmail.com>
Date:	Wed, 11 Apr 2012 21:39:04 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	maciej.rutecki@...il.com
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [3.4-rc1][Regression][intel] Resume from suspend to disk hangs on
 restoring backlight state

On Wed, Apr 11, 2012 at 21:35, Maciej Rutecki <maciej.rutecki@...il.com> wrote:
>> > > Patch:
>> > > http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-fixes
>> > > &id= 55a254ac63a3ac1867d1501030e7fba69c7d4aeb
>> > >
>> > > Please test whether this fixes your issue. You can also try adding
>> > > i915.i915_enable_ppgtt=0 to your kernel cmdline.
>> > >
>> > > Thanks, Daniel
>> >
>> > Patch solves problem.
>> >
>> > Now resume hangs later on another subsystem: wireless :D
>>
>> Woot, I'm off the hook ;-) Thanks for reporting this issue and testing the
>> patch.
>>
>> Yours, Daniel
>
> Seems be resolved in -rc2.

My guess is on the firmware load vs. suspend/resume fix that landed in
-rc2. That one fixed resume on all the machines here, and -rc1 broke
it on a lot of them.
-Daniel
-- 
Daniel Vetter
daniel.vetter@...ll.ch - +41 (0) 79 364 57 48 - http://blog.ffwll.ch
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/