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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 66932] New: Screen corruption on Cayman with dpm enabled
Date: Mon, 15 Jul 2013 15:45:05 +0000	[thread overview]
Message-ID: <bug-66932-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=66932

          Priority: medium
            Bug ID: 66932
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Screen corruption on Cayman with dpm enabled
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: g02maran@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: DRI CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 82448
  --> https://bugs.freedesktop.org/attachment.cgi?id=82448&action=edit
dmesg

When I enable dpm with my 6950 I see major screen corruption. It works fine
with dpm disabled. 

The computer does not get completely locked up. The screen flickers but there
is always a pattern in the corruption that stays the same. Sometimes, not
always, I can see and control a corrupted mouse cursor. But the screen is so
corrupted that i can't login or do anything. I can ssh into the computer but it
won't reboot.

I first tried 3.11-rc1 but then did my tests on
http://cgit.freedesktop.org/~agd5f/linux/?h=drm-fixes-3.11 with latest commit
being a01c34f72e7cd2624570818f579b5ab464f93de2

I have ucode (downloaded 2013-06-15) from
http://people.freedesktop.org/~agd5f/radeon_ucode/

I compiled the kernel with this.
CONFIG_EXTRA_FIRMWARE="radeon/CAYMAN_mc.bin radeon/CAYMAN_me.bin
radeon/CAYMAN_pfp.bin radeon/CAYMAN_rlc.bin radeon/CAYMAN_smc.bin
radeon/SUMO_uvd.bin"

I did a bisect and found that this commit introduced the corruption:

http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.11&id=7ad8d0687bb5030c3328bc7229a3183ce179ab25

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             reply	other threads:[~2013-07-15 15:45 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-15 15:45 bugzilla-daemon [this message]
2013-07-15 15:54 ` [Bug 66932] Screen corruption on Cayman with dpm enabled bugzilla-daemon
2013-07-16  1:05 ` bugzilla-daemon
2013-07-16  5:11 ` bugzilla-daemon
2013-07-16 13:21 ` bugzilla-daemon
2013-07-16 17:10 ` bugzilla-daemon
2013-07-16 20:43 ` bugzilla-daemon
2013-07-16 20:47 ` bugzilla-daemon
2013-07-16 21:10 ` bugzilla-daemon
2013-07-16 21:23 ` bugzilla-daemon
2013-07-17  1:45 ` bugzilla-daemon
2013-07-17  9:13 ` bugzilla-daemon
2013-07-17 11:09 ` bugzilla-daemon
2013-07-17 16:40 ` bugzilla-daemon
2013-07-17 16:42 ` bugzilla-daemon
2013-07-17 16:48 ` bugzilla-daemon
2013-07-17 17:02 ` bugzilla-daemon
2013-07-17 17:13 ` bugzilla-daemon
2013-07-17 17:47 ` bugzilla-daemon
2013-07-17 17:49 ` bugzilla-daemon
2013-07-17 17:52 ` bugzilla-daemon
2013-07-17 17:55 ` bugzilla-daemon
2013-07-17 18:00 ` bugzilla-daemon
2013-07-17 18:02 ` bugzilla-daemon
2013-07-17 18:10 ` bugzilla-daemon
2013-07-17 18:14 ` bugzilla-daemon
2013-07-17 18:15 ` bugzilla-daemon
2013-07-17 18:16 ` bugzilla-daemon
2013-07-17 18:25 ` bugzilla-daemon
2013-07-17 20:38 ` bugzilla-daemon
2013-07-17 20:46 ` bugzilla-daemon
2013-07-17 21:42 ` bugzilla-daemon
2013-07-17 21:52 ` bugzilla-daemon
2013-08-13 23:09 ` bugzilla-daemon

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