sata gives: taskqueue timeout, followed by reboot
freebsd at sopwith.solgatos.com
Fri Nov 9 10:19:17 PST 2007
FreeBSD 6.2 running on AMD64
ad6 is sata disk connected to nforce4-ultra
Moving a filesystem via dump|restore pipeline,
source is ad6 (mounted read-only), dest is a sata-via-usb disk.
ad6 also has root and var, so there could have been other
disk activity, but dump would have been the lion's share
of i/o. After grinding away for a few hours, I get:
kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
1 hour 4 minutes later it rebooted, and did not cleanly unmount
the filesystems. (any of them, not just the ones on ad6)
No panic message found anywhere.
I haven't seen this message before, this disk has been running
fine for about 7 months.
What exactly does this warning message mean?
Shouldn't I have gotten a panic message?
Assuming that the kernel decided to reboot without unmounting
the ad6 filesystems, why didn't it at least sync/unmount the
filesystems on other disks? Did it decide to not trust the
controller, or perhaps itself?
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