Messages in this thread |  | | From | crow@old-fsck ... | Date | Sun, 8 Aug 2004 09:28:53 +0000 | Subject | Re: [2.6.8-rc2-mm2] swsusp results on a hp compaq nx7000 |
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On Fri, Aug 06, 2004 at 10:11:07PM +0200, Pavel Machek wrote: > Hi! > > > trying to get swsusp running on my hp compaq nx7000, I've noticed > > following problems: > > * echo 'platform' > /sys/power/disk > > creates a syslog message: switching to platform, but a > > cat /sys/power/disk > > still says firmware. Other comments regard disk-writes by 'shutdown' > > driver > > * system calls acpi_*_shutdown to shutdown, but it's rebooting instead > > of doing a system shutdown > > * locking with regard to preemption seems so be broken > > * ohci1394 seems to generate sporadic OOPs on resume (could be > > preemption related) > > * synaptics touchpad (PS/2 driver) stops working after resume > > (sporadic, could also be preemption related) > > * the AGP port driver suspends, but system is a lot slower (e.g. xterm > > scrolling) after resuming > > * enabled DRI drivers (radeon) doesn't work. I'm able to move the mouse > > after resuming for a short time, after that the system locks up hard. > > (the screen is generating snow crash even while moving the mouse). > > The same behaviour can be observered when suspending/resuming from > > vt, the computer crashes with the same symptoms after switchting to X > > after resuming. This happens with the in kernel drm driver as with > > the latest x.org dri drivers (X in question is x.org 6.7). > > * radeonfb gives a "radeonfb: resumed" message on suspending. This may > > be correct (if you suspend the driver and resume it afterwards to > > display more on-screen), but it is a rather disturbing message. > > > > After all swsusp is a lot more useable compared to last time ?'ve tested > > it. It is useable as "suspend if battery power gets low" - measure, but > > rather unuseable for me for other things, as (normal 2D-) graphics > > operations crawl after resuming. thanks for the good work. > > > Ugh, I was offline for a week and it will take me few days to catch > up. This is valuable feedback, and you probably do want to mail it to > lkml and Patrick Mochel. > > If you have time results with preempt disabled would be nice, > too.
After i got some unreproduceable hangups on system boot I disabled preempt. It may take some time until some of the problems (i.e. ohci1394) resurface.
> psmouse.proto=bare might help with synaptics.
will try that soon, but it rather seems to be some kind of strange interaction with other modules..
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