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

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Jason Lunz wrote:
In gmane.linux.kernel, you wrote:
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

No change.

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

Nope, the first one.

-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.

But hdc is not on the hpt3xx controller.

regards,
--
<a href="http://www.fi.muni.cz/~xslaby/";>Jiri Slaby</a>
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E
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