video module limited after suspend
Hi,
I have ACPI compiled into the kernel and various subsystems as modules. The 'video' module seems to have a problem, though -- it works great on first boot, but doesn't work correctly after a suspend/resume (I'm using suspend2, unloading and reloading the video module after resuming).
The symptoms are that all subdirectories of /proc/acpi/video/VGA/ disappear -- which means I can no longer set the LCD brighness. All I have is this:
total 0
-r--r--r-- 1 root root 0 Jun 17 18:25 DOS -r--r--r-- 1 root root 0 Jun 17 18:25 POST -r--r--r-- 1 root root 0 Jun 17 18:25 POST_info -r--r--r-- 1 root root 0 Jun 17 18:25 ROM -r--r--r-- 1 root root 0 Jun 17 18:25 info
Any hints?
--J.
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Quoted 18 lines
Hi,
I have ACPI compiled into the kernel and various subsystems as modules. The 'video' module seems to have a problem, though -- it works great on first boot, but doesn't work correctly after a suspend/resume (I'm using suspend2, unloading and reloading the video module after resuming).The symptoms are that all subdirectories of
/proc/acpi/video/VGA/disappear -- which means I can no longer set the LCD brighness. All I have is this:total 0
(quoted diff) +0
-5-r--r--r-- 1 root root 0 Jun 17 18:25 DOS -r--r--r-- 1 root root 0 Jun 17 18:25 POST -r--r--r-- 1 root root 0 Jun 17 18:25 POST_info -r--r--r-- 1 root root 0 Jun 17 18:25 ROM -r--r--r-- 1 root root 0 Jun 17 18:25 info
Quoted 1 line
Any hints?
To narrow things down a bit: I've found out that it isn't really suspending that matters -- just doing
modprobe video; rmmod video; modprobe video
gets me a system without the CRT, LCD, DVI and TV directories.
As a workaround, I've just compiled video into the kernel (e.g. not modularized) and I'm fine.
Is anyone actually interested in those bug reports? Should I bother?
--J.
-------------------------------------------------------
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Quoted 23 lines · Jan Rychter
Quoted 18 lines
Hi,
I have ACPI compiled into the kernel and various subsystems as modules. The 'video' module seems to have a problem, though -- it works great on first boot, but doesn't work correctly after a suspend/resume (I'm using suspend2, unloading and reloading the video module after resuming).The symptoms are that all subdirectories of
/proc/acpi/video/VGA/disappear -- which means I can no longer set the LCD brighness. All I have is this:total 0
(quoted diff) +0
-5-r--r--r-- 1 root root 0 Jun 17 18:25 DOS -r--r--r-- 1 root root 0 Jun 17 18:25 POST -r--r--r-- 1 root root 0 Jun 17 18:25 POST_info -r--r--r-- 1 root root 0 Jun 17 18:25 ROM -r--r--r-- 1 root root 0 Jun 17 18:25 infoQuoted 1 line
Any hints?
To narrow things down a bit: I've found out that it isn't really suspending that matters -- just doing
Quoted 9 lines
modprobe video; rmmod video; modprobe video
gets me a system without the CRT, LCD, DVI and TV directories.
As a workaround, I've just compiled video into the kernel (e.g. not modularized) and I'm fine.
Is anyone actually interested in those bug reports? Should I bother?
Me, but don't have time for linux kernel devel ATM
Signature · 11 lines
Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care. ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click