Re: PROBLEM: LCD display dead after ACPI suspend to RAM (S3)

Luca Capello
2004-01-22T14:38:19Z

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Hello,

on 01/22/04 14:17, Georg C. F. Greve wrote:
> Hi all,
>
> on an ASUS M2400N [*] with both plain vanilla Linux Kernel 2.6.1 and
> 2.6.1 + acpi-20031203, the machine appears to suspend to RAM without a
> problem and it also apparently comes back, but the screen is dead.
same here with an ASUS M3N (always a Centrino one), problem already
reported in this list here:

http://sourceforge.net/mailarchive/forum.php?thread_id=3676335&forum_id=6102

> PCI: Enabling device 0000:00:1f.5 (0005 -> 0007)
> PCI: Setting latency timer of device 0000:00:1f.5 to 64
> AC'97 warm reset still in progress? [0xffffffff]
> codec_semaphore: semaphore is not ready [0xff][0xffffffff]
> codec_write 0: semaphore is not ready for register 0x26
> codec_semaphore: semaphore is not ready [0xff][0xffffffff]
> codec_write 0: semaphore is not ready for register 0x0
> codec_semaphore: semaphore is not ready [0xff][0xffffffff]
Finally, another user with my problem: IMHO this is indeed a problem in
te BIOS, because I starting having this error when I upgrade my M3N BIOS
from 0203A to 0205A. With this problem, I got even other errors like:

> gismo:/home/luca# dmesg | tail -n 10
> osl-0885 [869978] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [869974] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874572] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874572] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874581] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874590] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874596] os_wait_semaphore : Failed to acquire
semaphore[df73e860|1|0], AE_TIME
> osl-0885 [874617] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874618] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> osl-0885 [874628] os_wait_semaphore : Failed to acquire
semaphore[df73e5a0|1|0], AE_TIME
> gismo:/home/luca#

and when these errors occurred, keyboard doesn't respond, as it you're
keeping a button pressed. This is very annoying, if someone could please
tell me to whom I should address for this problem. On the other hand,
ALSA drivers works quite perfectly (except for some glitches on GNOME
and 'esd').

Thx, bye,
Gismo / Luca
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