Re: swsusp regression [Was: 2.6.18-rc3-mm2]

From: Jens Axboe
Date: Tue Aug 08 2006 - 06:39:34 EST

On Tue, Aug 08 2006, Jiri Slaby wrote:
> Jens Axboe wrote:
> >On Mon, Aug 07 2006, Rafael J. Wysocki wrote:
> >>On Monday 07 August 2006 18:23, Jason Lunz wrote:
> >>>In gmane.linux.kernel, you wrote:
> >>>>>
> >>>>I tried it and guess what :)... swsusp doesn't work :@.
> >>>>
> >>>>This time I was able to dump process states with sysrq-t:
> >>>>
> >>>>
> >>>>My guess is ide2/2.0 dies (hpt370 driver), since last thing kernel
> >>>>prints is suspending device 2.0
> >>>Does it go away if you revert this?
> >>>
> >>>
> >>>That should only affect resume, not suspend, but it does mess around
> >>>with ide power management. Is this maybe happening on the *second*
> >>>suspend?
> >>>
> >>>>-hdc: ATAPI 63X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
> >>>>+hdc: ATAPI CD-ROM drive, 0kB Cache, UDMA(33)
> >>>This looks suspicious. -mm does have several ide-fix-hpt3xx patches.
> >>I found that git-block.patch broke the suspend for me. Still have no idea
> >>what's up with it.
> >
> >Can you apply this on top of -mm and see if that fixes it?
> It doesn't solve the problem for me.

Ok, thanks for testing, I'll try and reproduce it here.

Jens Axboe

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