On Thu, Mar 20, 2014 at 10:17 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > My system works on a 3.13 Fedora kernel. It does not work on a > more-or-less identically configured 3.14-rc7+ kernel. The symptom is > that the Plymouth password prompt flashes and them the screen goes > blank. Hitting escape brings back the text console, and all is well > until X tries to start. Then I get a blank screen. killall -9 Xorg > from ssh causes these errors to be logged: > > > [ 226.239747] [drm:atom_op_jump] *ERROR* atombios stuck in loop for > more than 5secs aborting > [ 226.239751] [drm:atom_execute_table_locked] *ERROR* atombios stuck > executing CD34 (len 55, WS 0, PS 0) @ 0xCD57 > [ 231.241492] [drm:atom_op_jump] *ERROR* atombios stuck in loop for > more than 5secs aborting > [ 231.241496] [drm:atom_execute_table_locked] *ERROR* atombios stuck > executing CD6C (len 62, WS 0, PS 0) @ 0xCD88 > [ 236.243111] [drm:atom_op_jump] *ERROR* atombios stuck in loop for > more than 5secs aborting > [ 236.243115] [drm:atom_execute_table_locked] *ERROR* atombios stuck > executing CD6C (len 62, WS 0, PS 0) @ 0xCD88 > [ 241.244625] [drm:atom_op_jump] *ERROR* atombios stuck in loop for > more than 5secs aborting > [ 241.244628] [drm:atom_execute_table_locked] *ERROR* atombios stuck > executing CD6C (len 62, WS 0, PS 0) @ 0xCD88 > > > lspci -vvvxxxnn on 3.14-rc7+ says: > > 09:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. > [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] [1002:6779] > (rev ff) (prog-if ff) > !!! Unknown header type 7f > Kernel driver in use: radeon > 00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > > 09:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] > Caicos HDMI Audio [Radeon HD 6400 Series] [1002:aa98] (rev ff) > (prog-if ff) > !!! Unknown header type 7f > Kernel driver in use: snd_hda_intel > 00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > > (oops!) > > On 3.13, it says: > > 09:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. > [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] [1002:6779] > (prog-if 00 [VGA controller]) > Subsystem: PC Partner Limited / Sapphire Technology Radeon HD > 6450 1 GB DDR3 [174b:e164] > 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 92 > Region 0: Memory at e0000000 (64-bit, prefetchable) [size=256M] > Region 2: Memory at f4a20000 (64-bit, non-prefetchable) [size=128K] > Region 4: I/O ports at c000 [size=256] > Expansion ROM at f4a00000 [disabled] [size=128K] > Capabilities: <access denied> > Kernel driver in use: radeon > 00: 02 10 79 67 07 04 10 00 00 00 00 03 10 00 80 00 > 10: 0c 00 00 e0 00 00 00 00 04 00 a2 f4 00 00 00 00 > 20: 01 c0 00 00 00 00 00 00 00 00 00 00 4b 17 64 e1 > 30: 00 00 a0 f4 50 00 00 00 00 00 00 00 0a 01 00 00 > > 09:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] > Caicos HDMI Audio [Radeon HD 6400 Series] [1002:aa98] > Subsystem: PC Partner Limited / Sapphire Technology Radeon HD > 6450 1GB DDR3 [174b:aa98] > 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 B routed to IRQ 96 > Region 0: Memory at f4a40000 (64-bit, non-prefetchable) [size=16K] > Capabilities: <access denied> > Kernel driver in use: snd_hda_intel > 00: 02 10 98 aa 06 04 10 00 00 00 03 04 10 00 80 00 > 10: 04 00 a4 f4 00 00 00 00 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 4b 17 98 aa > 30: 00 00 00 00 50 00 00 00 00 00 00 00 05 02 00 00 > > Logs attached. > > Unfortunately, I'll be away from this computer until Wednesday. Can you bisect? Alex -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
