[ltp] I need some help on ACPI sleep

Winsley von Spee linux-thinkpad@linux-thinkpad.org
Thu, 20 Jan 2005 11:39:14 +0100


Am Donnerstag, den 20.01.2005, 10:06 +0000 schrieb JP Renaud:
> Hi,
> 
> I have installed Gentoo on a TP R51 (1829-9MG), the one with a 1400x1050 
> screen resolution. It is working fairly well except for Suspend to RAM.
> 
> The laptop suspends OK but after resume, I get a black screen with two yellow 
> characters (IN) in the top middle and a blinking white cursor in the top left 
> of the screen. After about 5 seconds, the laptop reboots on its own.
> 
> I have read reports of others having similar problems and the usual advice is 
> to appy the latest BIOS and append acpi_sleep=s3_bios as boot kernel option.
> Well, I have done both but it has not changed anything.
> 
> I am starting to think that I have done something wrong when compiling my 
> kernel but I cannot track the problem. Any help or idea on this subject? For 
> instance, I'd like to be able to look at logs of the resume sequence but I am 
> not sure what logs I should be looking at...
> 
> Also, for Suspend to disk, the only problem is my USB mouse. I use swsusp2 and 
> could unload/load modules or stop/start services but I am not sure what the 
> best option is. I use hotplug and the mouse is managed by this. If I restart 
> hotplug, it does activate the mouse (probably because the mouse is already 
> plugged in). i have tried to load the usbhid module, no result. The only way 
> it works is to unplu and replug the mouse. Any pointer on that one would be 
> very appreciated too.
> 
> Many thanks in advance for any help.
> 
> JP
> 
> -- 
> JP Renaud
> Research Fellow
> j.p.renaud@bristol.ac.uk

acpi_sleep=s3_bios as an kernel bootoption should help .... 

Greetz