[Bug 67800] New: Computer freezes after idle for several hours with dpms off (trinity) - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 67800] New: Computer freezes after idle for several hours with dpms off (trinity)
Date: Mon, 05 Aug 2013 19:47:20 +0000	[thread overview]
Message-ID: <bug-67800-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=67800

          Priority: medium
            Bug ID: 67800
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Computer freezes after idle for several hours with
                    dpms off (trinity)
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: laszlo.kertesz@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: DRI CVS
         Component: DRM/Radeon
           Product: DRI

I use Debian 64 bit and now i have the 3.11rc4 kernel installed, with mesa from
git, xf86-video-ati from git, libdrm from git, all firmwares put in
/lib/firmware.
The hardware is A8-5500 desktop APU with its built in 7560D card.
The system works very well, opengl, vdpau is functional.

I have xscreensaver set to turn off the monitor after 4 minutes, which it does.
I can wake up after a few minutes by moving the mouse or pressing a key.

All is going well until i leave the computer for a longer time (it varies,
usually a few hours) - the computer becomes totally unresponsive, doesnt react
to keyboard/mouse and network wise is totally dead. The fans are on normally,
no disk activity. I have to reset it from the reset button.
Nothing out of the ordinary in any logs, they just stop logging, presumably
when the computer freezes.

Now if i disable dpms and leave only blanking, this doesnt happen (This is why
i think it has to do with the kernel driver), but this mean the monitor is on
all the tme which isnt good since the computer runs 24/7.

PS. It didnt happen previously with the fglrx driver in any circumstances.

Any ideas why this might happen?

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