http://bugzilla.kernel.org/show_bug.cgi?id=6001
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |[EMAIL PROTECTED]
Status|ASSIGNED |REJECTED
Resolution| |DOCUMENTED
Summary|Switching display freezes |Switching display freezes
|system if _DOS is 1 on Acer |system if _DOS is 1 on
|TravelMate 291 |i855GM
------- Comment #30 from [EMAIL PROTECTED] 2008-01-08 22:46 -------
Sergio's hang on _DOS=1 was fixed by
commit a21101c46ca5b4320e31408853cdcbf7cb1ce4ed
(ACPI: video: _DOS=0 by default to prevent hotkey hang)
But that caused Eric's hang on _DOS=0
both systems are Intel i855GM hardware.
The X guys tell us in no uncertain terms that they do not
want ACPI switching the display beneath them -- that is
the job of the native graphics driver. So at this point
we have no choice but to:
1. leave DOS=0 the default (good for Sergio, bad for Eric)
2. for systems where ACPI display switching works (Eric)
manually use "echo 1 > /proc/acpi/video/*/DOS"
as a workaround.
3. Wait for X's native drivers to include native display switching.
I know this is in development -- at least for intel graphics chips --
but I don't know how far along it is.
closed as DOCUMENTED.
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