ATA DVD playback hanging in physrd

Søren Schmidt sos at
Thu Sep 2 13:21:12 PDT 2004

Nate Lawson wrote:

>>>> On that note ACPI still locks hard both my laptops (ASUS/Acer) on 
>>>> resume, with and upto date -current its back to not even switching 
>>>> on the backlight, so I have no way to tell what happens. On the ASUS 
>>>> that has a serial port even that is totally dead.
>>>> However, commenting out the resume code in acpi_cmbat.c make it get 
>>>> so far as to give me a prompt in singleuser mode, but just a simple 
>>>> ls makes in crash with a double fault in the image activation of the 
>>>> ls command, it looks like the vm system is way out to lunch somehow.
>>> Try taking /sys/i386/acpi_wakeup.c back to 1.36.
>> That makes things worse actually, now I dont get back from resume, I 
>> do get my backlight turned on though :)
> Did you do this change alone or with leave cmbat resume commented out?

Commented ouit or it doesn't get anywhere on resume..

>>   If that doesn't work,
>>> try reverting /sys/dev/acpica/acpi.c back to 2004/8/1 (mentioned 
>>> previously).  It is important to isolate the cause.
>> That doesn't work, the rest of the code has changed so it wont compile..
> It shouldn't require too much munging to work by itself.

Hmm, didn't look too closely but it looked like defines had changed etc, 
multiple pages of errors so I didn't look any further..


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