Hi! > I'm running Linus' git tree on my thinkpad T60. > It generally seems to work fine after suspend to disk. > However, the system does not come out of suspend to ram, > with screen staying blank. I'm looking for hints for debugging this. > > If I set suspend/resume event tracing, I see this in dmesg > after reboot: > > dmesg -s 1000000 | grep 'hash matches' > hash matches drivers/base/power/resume.c:42 > hash matches device serio2 > > serio2 seems to be the psmouse device: > ls /sys/bus/serio/drivers/psmouse/ > bind bind_mode description serio0 serio2 unbind > > Does this mean the mouse driver blocks the resume? > > I've rebuilt psmouse as a module, unloaded it before suspend, and now > I see the same behaviour but after reboot: > dmesg -s 1000000 | grep 'hash matches' > hash matches drivers/base/power/resume.c:42 > hash matches device i2c-9191 > > Which is somewhat weird because > ls /sys/bus/i2c/devices > does not list any i2c devices > > I could continue disabling stuff - but I am looking in the > correct place even? How do you debug resume issues? Yes, disabling stuff is way to go. Just disable everything, and binary search from there :-). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
