linux-kernel - Re: 3.15-rc: regression in suspend

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

Message-ID: <20140607231124.GA3611@amd.pavel.ucw.cz>
Date:	Sun, 8 Jun 2014 01:11:24 +0200
From:	Pavel Machek <pavel@....cz>
To:	Daniel Vetter <daniel.vetter@...ll.ch>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux-pm mailing list <linux-pm@...ts.osdl.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>
Subject: Re: 3.15-rc: regression in suspend

On Sat 2014-06-07 14:06:14, Pavel Machek wrote:
> On Thu 2014-05-15 17:31:54, Daniel Vetter wrote:
> > On Thu, May 15, 2014 at 5:29 PM, Jiri Kosina <jkosina@...e.cz> wrote:
> > >> > Note that X do work somehow after resume (I can't switch virtual
> > >> > desktops and dialog is stuck on screen, but it is not complete
> > >> > failure). I can do ctrl-alt-f1 and get to useful prompt.
> > >>
> > >> Oops. You were right. It seems it is duplicate after all.
> > >>
> > >> [drm:init_ring_common] *ERROR* render ring initialization failed ctl 0001f001 head 00001020 tail 00000000 start 00003000
> > >
> > > Pavel, thanks a lot for testing.
> > >
> > > Adding Daniel and Chris to CC -- we have another incarnation of the bug
> > > that is being chased in 76554.
> > 
> > Someone succeeding at a bisect would be awesome ... Note that the only
> > key here is the ring init failure in dmesg.
> 
> Oh and... the machine has problems comming up after reboot (never seen
> those before 3.15). Sometimes, boot will hang with blank screen, and hard
> powerdown is needed...

Strange. It seems 3.15 with the patch reverted only boots in 30% or so
cases... And I've seen resume failure, too, so maybe I was just lucky
that it worked for a while.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
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/