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Description of problem: I get this in the kernel dmesg when the hang happens: [ 7379.279903] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id [ 7411.580997] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id There doesn't seem to be a fixed patter that triggers the hang. uname -r 2.6.40.4-5.fc15.x86_64 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X1400 (prog-if 00 [VGA controller]) Subsystem: Lenovo Thinkpad T60 model 2007 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 46 Region 0: Memory at d8000000 (32-bit, prefetchable) [size=128M] Region 1: I/O ports at 2000 [size=256] Region 2: Memory at ee100000 (32-bit, non-prefetchable) [size=64K] [virtual] Expansion ROM at ee120000 [disabled] [size=128K] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [58] Express (v1) Legacy Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited ExtTag+ AttnBtn- AttnInd- PwrInd- RBE- FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency L0 <64ns, L1 <1us ClockPM- Surprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit+ Address: 00000000fee0300c Data: 41a9 Kernel driver in use: radeon Kernel modules: radeon
When this happens, I can switch to virtual terminals and restart the X server to get X working again. I use the default GNOME 3 desktop.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue. Please add drm.debug=0x04 to the kernel command line, restart computer, reproduce the issue and attach * your X server config file (/etc/X11/xorg.conf, if available), * X server log file (/var/log/Xorg.*.log*; check with grep Backtrace /var/log/Xorg* which logs might be the most interesting ones, send us at least Xorg.0.log) * output of the dmesg command (before restarting X after the hang), and * system log (/var/log/messages) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above. We will review this issue again once you've had a chance to attach this information. Thanks in advance.
There's nothing in Xorg.0.log of interest. Same for /var/log/messages, I've posted the relevant snippet in the orig. comment. I'll update with drm.debug=0x04.
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