On Tue, Aug 08 2006, Jiri Slaby wrote:

Jens Axboe wrote:

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On Mon, Aug 07 2006, Rafael J. Wysocki wrote:

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On Monday 07 August 2006 18:23, Jason Lunz wrote:

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In gmane.linux.kernel, you wrote:

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ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/

I tried it and guess what :)... swsusp doesn't work :@.

This time I was able to dump process states with sysrq-t:
http://www.fi.muni.cz/~xslaby/sklad/ide2.gif

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?
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/broken-out/ide-reprogram-disk-pio-timings-on-resume.patch

That should only affect resume, not suspend, but it does mess around
with ide power management. Is this maybe happening on the *second*
suspend?

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-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