[Bugme-new] [Bug 10965] New: freeze when closing laptop panel lid, in dual screen mode.
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Mon Jun 23 09:10:24 PDT 2008
http://bugzilla.kernel.org/show_bug.cgi?id=10965
Summary: freeze when closing laptop panel lid, in dual screen
mode.
Product: Power Management
Version: 2.5
KernelVersion: 2.6.26~rc7
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: power-management_other at kernel-bugs.osdl.org
ReportedBy: fpiat at bigfoot.com
Latest working kernel version: 2.6.25
Earliest failing kernel version: ? 2.6.26~rc5 (previous RCs not tested).
Distribution: Debian/testing
Hardware Environment: Thinkpad T60 (Intel video chipset)
Software Environment: Kernel from
http://kernel-archive.buildserver.net/debian-kernel/
Problem Description:
If I close my laptop's panel when I have an external monitor
attached and enabled, my laptop freeze... i have to power it off.
Steps to reproduce:
Plug an external screen to a Thinkpad T60 laptop (based on intel 945 chipset).
Then boot the laptop, and log into gnome. Make sure that :
1. Both screen are enabled (xrandr --auto).
2. Gnome power setting has : "When laptop lid is closed" = "Blank Screen"
3. Close the laptop's panel.
=> The laptop is now frozen.
It occurs when : using linux-image-2.6.26-rc5, rc6 or rc7.
Does not occurs with : linux-image-2.6.24 , 2.6.25 from Debian/testing.
Occurs if gnome has "When laptop lid is closed" = "Blank Screen"
Doesn't occur if it's set to "Do nothing"
Occurs on my T60, with :
Intel 945GM/PM/GMS Express Memory Controller Hub [8086:27a0]
Intel 945GM/GMS Express Integrated Graphics Controller [8086:27a2]
Does NOT occur on a T61, with
Intel GM965/GL960 Integrated Graphics Controller [8086:2a02]
Intel GM965/GL960 Integrated Graphics Controller [8086:2a03]
Occurs when both output are enable (crt=on + lvds=on)
Doen not occurs when only one of the screens are enabled (crt=on + lvds=off OR
crt=off + lvds=on).
Note :
The laptop can suspend or hibernate, then resumes correctly.
Running gnome screensaver is ok (but gnome doesn't seems to want
to put the screens in powersave mode).
More information about that bug is available at
http://bugs.debian.org/487672
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