<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Garbage in windows while running a game windowed" href="https://bugs.freedesktop.org/show_bug.cgi?id=97022#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Garbage in windows while running a game windowed" href="https://bugs.freedesktop.org/show_bug.cgi?id=97022">bug 97022</a> from <a class="email" href="mailto:peter.mulholland@vpltd.com" title="Peter Mulholland <peter.mulholland@vpltd.com>"> Peter Mulholland</a> <pre>Created <a href="attachment.cgi?id=125261" name="attach_125261" title="Part of kern.log written during forcing a GPU reset">attachment 125261</a> <a href="attachment.cgi?id=125261&action=edit" title="Part of kern.log written during forcing a GPU reset">[details]</a> Part of kern.log written during forcing a GPU reset I've found that force resetting the GPU clears the corruption - using cat /sys/kernel/debug/dri/0/radeon_gpu_reset This does not take effect straight away however, I often have to kill Xorg before it'll happen. There are some errors written to the kernel log - i have attached those. Here is lspci output for the card in case it's relevant: 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] [1002:683f] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] [1043:0427] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 26 Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M] Region 2: Memory at fde80000 (64-bit, non-prefetchable) [size=256K] Region 4: I/O ports at de00 [size=256] [virtual] Expansion ROM at fde00000 [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: radeon Kernel modules: radeon</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>