S3 resume and other ACPI questions
Hello ACPI devs!
I've recently bough a new AMD 64 notebook (Acer Ferrari 3400LMi). Here are some ACPI related issues I have:
- S3 resume seems to turn on the machine, but the LCD stays dark and the keyboard is not working.
- The battery information works, but get's "stuck" on certain values (like 10% remaining) and doesn't update anymore. I lost power during a DVD burning session because ACPI said I still had plenty left....
Are there any known problems/fixes?
How can I help debug/fix the problem?
Kernel is 2.6.10-gentoo-r7.
Thanks,
Andre
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Hi!
Quoted 5 lines
I've recently bough a new AMD 64 notebook (Acer Ferrari 3400LMi). Here are some ACPI related issues I have:
- S3 resume seems to turn on the machine, but the LCD stays dark and the keyboard is not working.
Read Doc*/power/video.txt. Send me a patch when you get it working.
Signature · 9 lines
People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
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Quoted 1 line · Pavel Machek
Read
Doc*/power/video.txt. Send me a patch when you get it working.
Hello Pavel, all,
I've read video.txt and it got me further actually. Thanks for that.
I've recompiled the kernel without any fbcon etc. and use the "radeon" display driver within X windows (Gentoo patched version). This way I can actually resume from S3 now, and get right back into X. Really quickly, too.
However, the hard drive does not seem to fair so well. The hdd activity LED remains on and the drive does not seem responsive (but spinning). The laptop slows to a crawl and any executable that causes disc access (i.e. it's not cached or reads config files etc). Won't execute.
dmesg seems to work, but doesn't really show anything. After the "stopping tasks" I get a weird "Back from C!" message, but that's about it.
What could I try from here?
I tried the suspend patch offered on the Acer TM 800 page linked in video.txt, but it did not make a difference.
Side note:
I'm sorry there is no patch attached to this email, or probably any email in the near future. I am trying to work myself into the subject, but - as you know - it's very hard. And asides from the ACPI specs, there doesn't even seem to be a good document describing how it's supposed to work and which elements have to be in which place for this all to work.
However, I hope I can help debugging and contribute to your well appreciated efforts at least a little bit. Hey, maybe one day I'll even have a patch to attach - even if it only fixes a typo ;).
Thanks,
Andre
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Quoted 18 lines · Andre Eisenbach
Quoted 1 line · Pavel Machek
Read
Doc*/power/video.txt. Send me a patch when you get it working.Hello Pavel, all,
I've read video.txt and it got me further actually. Thanks for that.
I've recompiled the kernel without any fbcon etc. and use the "radeon" display driver within X windows (Gentoo patched version). This way I can actually resume from S3 now, and get right back into X. Really quickly, too.
However, the hard drive does not seem to fair so well. The hdd activity LED remains on and the drive does not seem responsive (but spinning). The laptop slows to a crawl and any executable that causes disc access (i.e. it's not cached or reads config files etc). Won't execute.
Quoted 5 lines
dmesg seems to work, but doesn't really show anything. After the "stopping tasks" I get a weird "Back from C!" message, but that's about it.
What could I try from here?
I'd do it from text console, and insert printks just about everywhere to see what is going on. See if disk is getting interrupts, for example.
Pavel
Signature · 9 lines
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