Rafael J. Wysocki wrote: > On Monday 07 August 2006 18:23, 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 >> >> 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. I suspect elevator changes. The wait_for_completion is not woken in ide-io by ll_rw_blk. But I don't understand block layer too much. Where the blk_end_sync_rq should be called from (why is not called at all)? 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
