linux-kernel - Re: [BUG] 3.14-rc6 problems with an R7 260X

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: <1707205.THdbAVLWUB@grover>
Date:	Sun, 23 Mar 2014 16:08:37 -0400
From:	Ed Tomlinson <edt@....ca>
To:	Alex Deucher <alexdeucher@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Maling list - DRI developers 
	<dri-devel@...ts.freedesktop.org>, Dave Airlie <airlied@...ux.ie>
Subject: Re: [BUG] 3.14-rc6 problems with an R7 260X

On Monday 10 March 2014 13:29:41 Ed Tomlinson wrote:
> On Monday 10 March 2014 12:38:42 Alex Deucher wrote:
> > On Mon, Mar 10, 2014 at 11:47 AM, Ed Tomlinson <edt@....ca> wrote:
> > > Hi,
> > >
> > > I recently added a R7 260X to my system.  While the card works with 3.13 its supposed work much better with 14-rc.
> > > This is not the case.  My system is unstable without radeon.dpm=0 which was the default in .13.  Here are some extracts
> > > from the logs of the latest fun with dpm enabled:
> 
> omitted
> 
> > > The above type of errors repeat hundreds of times and eventually the display freezes (this box does not have a serial console and it did not check with ssh)
> > >
> > > When X started I did notice some corruption.  There are sets of two rectangles about of a height of 2 or 3 mm, width of 25m or so with a second
> > > about a cm below.  The often occurs in chomium especially when scrolling.  Runing the  unigine-sanctuary or unigine-tropics demo/benchmark
> > > programs also produce the above problems and eventually stall.
> > >
> > > The problem is reproducible - I am not that familiar with gpu problems though, what else will help debug this?
> > >
> > 
> > Please file a bug at https://bugs.freedesktop.org (Product: DRI,
> > Component: DRM/Radeon) and attach your dmesg output and xorg log.
> 
> Filed as bug 75992
> 
> Let me know if you want me to test anything or if more info is needed.

This still occurrs with rc7.  With dpm enabled X is not usable.  It stalls, sometimes with nasty screen corruption, after a few minute.  With dpm disabled
its much better (not perfect though).

Ed Tomlinson
--
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/