[Bug 11735] delkin_cb fails after resume

[bugme-daemon@bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=11735





------- Comment #4 from bumble.bee@xs4all.nl  2008-10-10 19:01 -------
To clarify, in addition to the CF card this laptop has a "regular" HDD. I had
switched to an all-libata setup for both the HDD and the ninja32, which is when
the kacpid cpu hog shows up.
I've now also built a kernel with the old ata driver for the HDD and only the
ninja32 in libata. That shows the same behavior as the delkin_cb driver (100%
wait state on resume). With that kernel, I've managed to capture this in the
syslog after resume:

ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ala1.00: cmd 30/00:30:90:12:ea/00:00:00:00:00/e0 tag 0 pio 24576 out
res 40/00:00:00:00:00/00:00:00:00:00/e0 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1: soft resetting link
ata1.00: failed to IDENTIFY (INIT_DEV_PARAMS failed, err_mask=0x80)
ata1.00: revalidation failed (errno=-5)
ata1: soft resetting link
ata1.00: failed to IDENTIFY (INIT_DEV_PARAMS failed, err_mask=0x80)
ata1.00: revalidation failed (errno=-5)
ata1: soft resetting link
ata1.00: failed to IDENTIFY (INIT_DEV_PARAMS failed, err_mask=0x80)
ata1.00: revalidation failed (errno=-5)
ata1.00: disabled
ata1.00: EH complete
sd 0:0:0:0: [sda] Result: hostbyte=0x04 driverbyte=0x00
end_request: I/O error, dev sda, sector 15340176
sd 0:0:0:0: [sda] Result: hostbyte=0x04 driverbyte=0x00
end_request: I/O error, dev sda, sector 18719176
Buffer I/O error on device dm-1, logical block 2323832
lost page write due to I/O error on dm-1

It's dm-1 because the filesystem on the card is on an encrypted block device.
After this error the system goes back to 100% idle, and if I try to access the
filesystem I get I/O errors from ls.

To answer your question, I've not had problems with resuming on this machine
before (with only the HDD, using the old IDE driver). I can't really test
resume without the card right now, since it holds the root filesystem, but I
could dd it back to the HDD if that's necessary.


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