Suspend Problem w/ Thinkpad t61
marius at pov.lt
Sun Mar 2 15:35:54 UTC 2008
On Sun, Mar 02, 2008 at 12:20:24AM -0800, petevg at gmail.com wrote:
> I having been banging my head into the wall trying to fix a suspend
> issue on my Thinkpad T61, running Gutsy Gibbon, and wondered if this
> list might have some advice.
> The issue, specifically, is that the computer will suspend to RAM
> successfully, and wake successfully, one or two times in a row. About
> every third time, however, it refuses to wake up. I open the lid, but
> the suspend light remains on, and nothing else happens. I have to
> shut the computer down and reboot.
My T61 (intel video) suspends and resumes nicely. Every now and then
(well, a few times a week) resume hangs for a while: I get a text
console saying "inux" in yellow, and the moon LED is blinking. At this
point I can switch between virtual consoles (but not to the GUI), I can
type text, I can toggle Caps Lock, and that's pretty much it. Alt-SysRq
What I usually do is keep pressing CapsLock until the laptop resumes. I
don't know why it helps; I suspect extra interrupts generated by the
keyboard controller might be the reason.
dmesg after a resume leads me to suspect either sound (intel HDA) or USB
You've obviously never tried to reverse engineer a chip using an electron
microscope. [...] That's like looking at the grains of sand on a beach
and trying to map out the coastline of Hawaii. -- Cutie Pi, July 2006
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