ata broken on Thinkpad A22m
Brian Buchanan
bwb at holo.org
Fri Oct 10 08:36:41 PDT 2003
After updating to yesterday's -CURRENT, my IBM Thinkpad A22m stoped
booting. It hangs at:
GEOM: create disk ad0 dp=0xc3ded670
ad0: 38154MB <IC25N040ATCS04-0> [77520/16/63] at ata0-master UDMA33
ata1: resetting devices ..
done
The console is still alive, but the kernel appears to be waiting for an
interrupt that will never come. My Thinkpad is known to have a buggy ata
controller which (sometimes? all the time?) fails to send interrupts for
ata1-slave, and causes various revisions of the kernel to complain in
various places. -CURRENT used to complain at boot, and the most recent
working kernel I have complains at shutdown.
The most recent working kernel, from earlier this week:
GEOM: create disk ad0 dp=0xc3ded670
ad0: 38154MB <IC25N040ATCS04-0> [77520/16/63] at ata0-master UDMA33
acd0: DVDROM <HITACHI DVD-ROM GD-S200> at ata1-master PIO4
Mounting root from ufs:/dev/ad0s3a
at shutdown:
syncing disks, buffers remaining... 3 3 1 1
done
Uptime: 2m21s
ata1-slave: WARNING - FLUSHCACHE recovered from missing interrupt
--
Brian Buchanan, CISSP bwb at holo.org
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