[Bug 30349] New: GA-MA78G-DS3H (F9d) & Radeon 4730 system suddenly, but not quite randomly, softresets

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30349

           Summary: GA-MA78G-DS3H (F9d) & Radeon 4730 system suddenly, but
                    not quite randomly, softresets
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: virtuousfox at gmail.com
         QAContact: xorg-team at lists.x.org


this is the strangest glitch i have ever saw - my system completely softresets
(and not panics) if several conditions are met:
1) KMS (GEM,DRI2,r600c) is enabled
2) any of following:
a) i play "Castlevania: Symphony of Night" (US) [or "Devil's Castle Dracula X:
Nocturne in the Moonlight" (JAP), any of two versions] on pcsx-r 1.9.92
emulator.
no other games i played on that emulator trigger this nor playing on other
emulator does, from what i noticed. it usually triggered after several hours of
straight playing and not dependent on actual gameplay progress, location, etc.
b) i play any of the several particular mp4 videos from russian game magazine
"igromania" in VLC (and VLC only).
in that case it triggered in 5-10 seconds of playtime but not in any particular
frame/second of that video. playing it in mplayer or kaffeine not triggers
this.
it interesting that if mplayer launched via smplayer to play such video file,
smplayer thinks that its video stream is 0x0 size and hides video output.
even if video have started playing in VLC and paused right away, system
softresets after approximately same amount of time.

really weird but painfull - filesystems get damaged because of this.
otherwise, my system proved that it can work without issues for weeks in a row
- no crashes or even X freezes.
i experienced this with 2.6.{33-35} and 2.6.36-rc2 kernels. vanilla and "zen".
i don't know about any other kernels since i have not played those games/videos
in their times and bought that card just recently.

card info via lspci: ATI Technologies Inc RV770 CE [Radeon HD 4710]
it wrong for some reason.
`cat /proc/sys/kernel/panic` returns '0'
libdrm, xf86-video-ati and mesa used from git.

please, tell what info i may provide to make it clearer.

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