Darren J Moffat wrote: > Juergen Keil wrote: > >>> The timeouts never happen when I force the cpu frequency to anything > >>> other than the slowest setting. That is, I've been using this shell > >>> script hack to work around the usb timeout problem: > >>> > >>> # avoid running in the slowest powernow state with the ASUS M2NPV-VM, > >>> # for some reason that breaks usb on the maxtor usb backup hdd > >>> date +"Backup is running: %T" > >>> > >>> /usr/sbin/powernowadm manual > >>> sleep 5 > >>> /usr/sbin/powernowadm slow > >>> /usr/sbin/powernowadm faster > >>> > > Tried this but it didn't make any difference. I also tried uninstalling > the frkit powernow driver completely, and still I see exactly the same > timeouts. I also tried updating /etc/power.conf to disable autopm and > run pmconfig (and rebooted) just in case but still no joy.
Too bad. > Thanks for the suggestions, but we are stuck again and I have no idea > how to debug this part of the system. Any hints ? What is logged to the kernel's usb debug log, during such a device timeout? Try to dump it with mdb's ::usba_debug_buf command. This works best with usb debug bit modules, they contain a lot more debug printfs than release bits. _______________________________________________ driver-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/driver-discuss
