https://bugs.freedesktop.org/show_bug.cgi?id=59614
Priority: medium
Bug ID: 59614
Assignee: dri-devel at lists.freedesktop.org
Summary: [bisected] Black screen on boot with Radeon HD 6670
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: markus.ka.rinne at gmail.com
Hardware: x86 (IA32)
Status: NEW
Version: unspecified
Component: DRM/Radeon
Product: DRI
At boot, the screen goes blank. This happens at the moment when the screen
would normally change from VGA text console to framebuffer text console. I
can't make an ssh connection to the box after screen goes blank.
Motherboard: MSI K9AGM3
Video card: Radeon HD 6670
lspci -vvv gives:
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Turks
[Radeon HD 6670] (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 03e0
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 43
Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 2: Memory at fe9e0000 (64-bit, non-prefetchable) [size=128K]
Region 4: I/O ports at c000 [size=256]
Expansion ROM at fe9c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon
I bisected this. The first bad commit is:
0ecebb9e0d14e9948e0b1529883a776758117d6f drm/radeon: switch to a finer grained
reset for evergreen
Reverting this commit on top of v3.8-rc4 results in a working system.
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