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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 56139] [bisected] kernel 3.7.0-rc1 breaks 6950 (boot/grub2 and suspend/resume) (CAYMAN)
Date: Mon, 19 Nov 2012 14:18:13 +0000	[thread overview]
Message-ID: <bug-56139-502-wkRLWU69bb@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-56139-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=56139

--- Comment #37 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #36)
> (In reply to comment #33)
> > > Here is a partial kernel.log tracking what is going on at boot with some
> > > debug printk in evergreen_mc_stop() and evergreen_mc_resume(). Strangely,
> > > only one crtc is saved as enabled in the _stop function, but four are
> > > restored in the _resume function. Pretty sure it's not the problem we are
> > > looking for, but it is abnormal since only one crtc should be restored on
> > > resume. This is a bug by itself showing a problem in the
> > > save(stop)/restore(resume) mechanism.
> > 
> > I should have said "... but six are restored..." instead of "... but four
> > are restored..." I also made a small error in a debug string, but it doesn't
> > change the read value. If you have any question on my patch, let me know.
> 
> That issue is fixed in attachment 69573 [details] [review] which is already
> upstream.

I know it should have been fixed and that's why I added a printk(KERN_INFO
"Restoring crtc[%d] since it was enabled.\n", i) just after it to check it. For
some reason it seems to not be working properly. Have a look at my patch
(attachment 70233) which was written on a 3.7.0-rc6 kernel. I'll add some other
printk when I'll get home (like a printk just before this check to output its
value).

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  parent reply	other threads:[~2012-11-19 14:18 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-18 13:48 [Bug 56139] New: [bisected] kernel 3.7.0-rc1 breaks 6950 (CAYMAN) bugzilla-daemon
2012-10-18 13:51 ` [Bug 56139] " bugzilla-daemon
2012-10-18 14:16 ` bugzilla-daemon
2012-10-18 23:46 ` bugzilla-daemon
2012-10-22  5:57 ` bugzilla-daemon
2012-10-26  3:17 ` bugzilla-daemon
2012-10-26 14:08 ` bugzilla-daemon
2012-10-27  4:51 ` bugzilla-daemon
2012-10-31 18:29 ` bugzilla-daemon
2012-10-31 19:13 ` bugzilla-daemon
2012-11-01  0:38 ` bugzilla-daemon
2012-11-01  5:30 ` bugzilla-daemon
2012-11-05  6:58 ` bugzilla-daemon
2012-11-05 14:03 ` bugzilla-daemon
2012-11-05 14:28 ` bugzilla-daemon
2012-11-05 14:55 ` bugzilla-daemon
2012-11-05 16:20 ` bugzilla-daemon
2012-11-05 16:34 ` bugzilla-daemon
2012-11-05 22:46 ` bugzilla-daemon
2012-11-06  0:33 ` bugzilla-daemon
2012-11-06  1:02 ` bugzilla-daemon
2012-11-06 22:32 ` bugzilla-daemon
2012-11-06 22:50 ` bugzilla-daemon
2012-11-06 22:55 ` bugzilla-daemon
2012-11-06 22:56 ` bugzilla-daemon
2012-11-06 22:59 ` bugzilla-daemon
2012-11-11 18:55 ` bugzilla-daemon
2013-04-17  9:11   ` Huacai Chen
2012-11-12  4:04 ` [Bug 56139] [bisected] kernel 3.7.0-rc1 breaks 6950 (boot/grub2 and suspend/resume) (CAYMAN) bugzilla-daemon
2012-11-12  4:27 ` bugzilla-daemon
2012-11-12  5:32 ` bugzilla-daemon
2012-11-12 23:31 ` bugzilla-daemon
2012-11-13 15:15 ` bugzilla-daemon
2012-11-13 15:45 ` bugzilla-daemon
2012-11-14 16:14 ` bugzilla-daemon
2012-11-18 17:05 ` bugzilla-daemon
2012-11-18 19:04 ` bugzilla-daemon
2012-11-18 19:40 ` bugzilla-daemon
2012-11-18 19:41 ` bugzilla-daemon
2012-11-19 14:05 ` bugzilla-daemon
2012-11-19 14:18 ` bugzilla-daemon [this message]
2012-11-19 14:19 ` bugzilla-daemon
2012-11-19 23:31 ` bugzilla-daemon
2012-11-20  6:08 ` bugzilla-daemon
2012-11-20 15:23 ` bugzilla-daemon
2012-11-28  6:44 ` bugzilla-daemon
2012-11-28 14:29 ` bugzilla-daemon
2012-11-28 17:08 ` bugzilla-daemon
2013-01-05  5:57 ` bugzilla-daemon
2013-01-31  0:52 ` bugzilla-daemon
2013-01-31 13:35 ` bugzilla-daemon
2013-02-20  5:34 ` bugzilla-daemon
2013-02-23 10:28 ` bugzilla-daemon
2013-02-24  3:21 ` bugzilla-daemon
2013-02-25  1:56 ` bugzilla-daemon
2013-02-25 13:57 ` bugzilla-daemon
2013-03-11  4:41 ` bugzilla-daemon
2013-03-11  4:51 ` bugzilla-daemon
2013-03-11 13:38 ` bugzilla-daemon

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