slow resume (was Re: [4/4] 2.6.23-rc5: known regressions)

From: Pavel Machek
Date: Wed Sep 05 2007 - 03:24:40 EST


Hi!

> Subject : resume from ram much slower
> References : http://lkml.org/lkml/2007/8/10/275
> Last known good : 2.6.23-rc1 ?
> Submitter : Arkadiusz Miskiewicz <arekm@xxxxxxxx>
> Caused-By : ?
> Handled-By : Rafael J. Wysocki <rjw@xxxxxxx>
> Status : problem is being debugged

Any progress here?

I see you have a thinkpad, so with right console loglevel, you should
be able to see the messages just after boot...? Where does it really
hang

[ 0.955389] Back to C!
[ 0.389803] PM: Writing back config
space on device 0000:00:01.0 at = offset
1 (was 100107, writing 100507)
[ 0.389814] PCI: Setting latency
timer of device 0000:00:01.0 to 64

Is it here?

[ 120.599158] PM: Writing back config
space on device 0000:00:1b.0 at = offset
1 (was 100006, writing 100002)
[ 120.599185] ACPI: PCI Interrupt
0000:00:1b.0[A] -> GSI 16 (level, lo= w)
-> IRQ 16


Are you using nohz/highres?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/