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Old 07-19-2012, 12:33 AM
Martín Marqués
 
Default Radeon turns off monitor, but system works

OK, I ran in to another anoying thing after the motherboard CPU switch.

Now it has to do with the graphics card, an ATI Radeon:

00:01.0 VGA compatible controller: ATI Technologies Inc Device 9645
(prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 84c8
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 42
Region 0: Memory at c0000000 (32-bit, prefetchable) [size=256M]
Region 1: I/O ports at f000 [size=256]
Region 2: Memory at fef00000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at <unassigned> [disabled]
Capabilities: [50] Power Management version 3
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 (v2) Root Complex Integrated Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
<4us, L1 unlimited
ExtTag+ 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 unknown, Width x0, ASPM
unknown, Latency L0 <64ns, L1 <1us
ClockPM- Surprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed unknown, Width x0, TrErr- Train-
SlotClk- DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Not Supported, TimeoutDis-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance-
SpeedDis-, Selectable De-emphasis: -6dB
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0300c Data: 4169
Capabilities: [100 v1] Vendor Specific Information: ID=0001
Rev=1 Len=010 <?>
Kernel driver in use: radeon
Kernel modules: radeon


After some time not using the computer I get this log messages and
monitor doesn't turn on againg. I can still reboot remembering the key
combination, so the computer, and the OS is working great, but there
is some problem with the radeon driver from the kernel:

Jul 18 21:18:05 endor kernel: [ 7108.026504]
[drm:radeon_dp_link_train_cr] *ERROR* clock recovery reached max
voltage
Jul 18 21:18:05 endor kernel: [ 7108.026509]
[drm:radeon_dp_link_train_cr] *ERROR* clock recovery failed

Now I found this on the web related to my problem:

http://lists.freedesktop.org/archives/dri-devel/2011-December/017793.html

And this commit that should solve the problem:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=cf2aff6eff251b6fbdaf8c253e65f f7c693de8cd

Is the patch in my kernel? And if it is, what am I doing wrong?

--
Martín Marqués
select 'martin.marques' || '@' || 'gmail.com'
DBA, Programador, Administrador
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