https://bugzilla.kernel.org/show_bug.cgi?id=29222

Summary: X cannot start up, screen flickers in console mode Product: Drivers Version: 2.5 Kernel Version: 2.6.38-rc5 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@kernel-bugs.osdl.org ReportedBy: johannes@sipsolutions.net Regression: Yes

This is a regression from 2.6.37 that has been there throughout the RCs -- on my macbook 5,1 the X server now refuses to start up and the screen just flickers in console mode. I can press ctrl-alt-del to reboot.

The device is

02:00.0 VGA compatible controller: nVidia Corporation C79 [GeForce 9400M] (rev b1) (prog-if 00 [VGA controller]) Subsystem: Apple Computer Inc. Device 00aa 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: 256 bytes Interrupt: pin A routed to IRQ 23 Region 0: Memory at 92000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at 80000000 (64-bit, prefetchable) [size=256M] Region 3: Memory at 90000000 (64-bit, prefetchable) [size=32M] Region 5: I/O ports at 1000 [size=128] Expansion ROM at 93000000 [disabled] [size=128K] Capabilities: [60] 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: [68] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Kernel driver in use: nouveau