http://bugs.freedesktop.org/show_bug.cgi?id=20679
Summary: [i915] blank screen with 2.6.29-rc kernels
Product: Mesa
Version: 7.1
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Keywords: NEEDINFO, regression
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: kerol...@iki.fi
Created an attachment (id=23905)
--> (http://bugs.freedesktop.org/attachment.cgi?id=23905)
debug files: dmesg.txt lspci-vvv.txt Xorg.0.log xorg.conf xrandr-verbose.txt
System environment
------------------
-- chipset:
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (rev 0c) (prog-if 00 [VGA controller])
Subsystem: Dell Latitude D630
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
Interrupt: pin A routed to IRQ 27
Region 0: Memory at fea00000 (64-bit, non-prefetchable) [size=1M]
Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at efe8 [size=8]
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable+
Address: fee0300c Data: 4191
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Bridge: PM- B3+
Kernel modules: intelfb
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (rev 0c)
Subsystem: Dell Unknown device 01f9
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
Region 0: Memory at feb00000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Bridge: PM- B3+
-- system architecture: x86_64
-- xf86-video-intel/xserver/mesa/libdrm version:
Name : mesa-dri-drivers Relocations: (not relocatable)
Version : 7.1 Vendor: Fedora Project
Release : 0.37.fc9 Build Date: Fri 27 Jun 2008
10:24:46 PM CEST
X.Org X Server 1.5.2
Release Date: 10 October 2008
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.18-92.1.10.el5 x86_64
Current Operating System: Linux lelux 2.6.29-rc7-00143-g99adcd9 #1 SMP Tue Mar
10 13:10:40 CET 2009 x86_64
Build Date: 03 November 2008 12:34:48AM
Build ID: xorg-x11-server 1.5.2-3.fc9
server glx version string: 1.2
Name : libdrm Relocations: (not relocatable)
Version : 2.4.0 Vendor: Fedora Project
Release : 0.13.fc9 Build Date: Wed 18 Jun 2008
01:25:28 AM CEST
-- kernel version: 2.6.29-rc7-00143-g99adcd9
-- Linux distribution: Fedora release 9
-- Machine or mobo model: Dell Latitude D630
http://www.dell.com/content/products/productdetails.aspx/latit_d630?c=us&l=en&s=biz&cs=555
-- Display connector: docking connector, VGA,
Reproduce steps. Probability if not 100% reproducible
-----------------------------------------------------
Problems started with 2.6.29-rc* kernels. I am not sure which was the first
time I saw the behavior first time but rc3 is quite close. My laptop is nearly
always attached to docking station, so it took a while to figure out how bad
this bug is.
Startup. Initially I noticed blank screen after boot. That was easily cured
with switching to console and back to login page (ctrl+alt+f1 & ctrl+alt+f7).
Mode switching. When switching modes nearly 50% of times when I come back to X
screen is blank. Retry works fine.
Deattach from dock while system running test. After this X was never blank, but
console mode was always. The console mode was perfectly usable.
Reattach to dock. System freeze without stacktrace and the Magic SysRq keys did
nothing. All of my reattachment tries has always caused this, and because
behavior is so annoying I have done this only three times.
When I send email to Jessa Barnes he replied: "Sounds like a regression,
but it could be related to the new KMS bits..."
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