Comment 18 for bug 586243

Andriy Tymchenko (silpol) wrote :

have not had this problem on Karmic, after upgrade to Lucid wit immediate to Maverick - I've got bunch of this

Feb 13 01:04:00 host kernel: [ 763.050594] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(14).
Feb 13 01:04:00 host kernel: [ 763.050601] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB !

and mess with dual screen use (on Karmic it worked fine)

Thinkpad T40

user@host:~$ uname -a
Linux doggy 2.6.35-25-generic #44-Ubuntu SMP Fri Jan 21 17:40:48 UTC 2011 i686 GNU/Linux

user@host:~$ sudo lspci -vvvv -s 01:00
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] (rev 02) (prog-if 00 [VGA controller])
 Subsystem: IBM Device 0531
 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR+ FastB2B+ DisINTx-
 Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 66 (2000ns min), Cache Line Size: 32 bytes
 Interrupt: pin A routed to IRQ 11
 Region 0: Memory at e0000000 (32-bit, prefetchable) [size=128M]
 Region 1: I/O ports at 3000 [size=256]
 Region 2: Memory at c0100000 (32-bit, non-prefetchable) [size=64K]
 [virtual] Expansion ROM at c0120000 [disabled] [size=128K]
 Capabilities: [58] AGP version 2.0
  Status: RQ=48 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
  Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW- Rate=x4
 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-
 Kernel driver in use: radeon
 Kernel modules: radeon, radeonfb