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SubjectRe: aic7xxx sets CDR offline, how to reset?
Doug Ledford writes:

> took the device off line. So, in short, the mid layer isn't waiting long
> enough, or when it gets sense indicated not ready it needs to implement a
> waiting queue with a timeout to try rekicking things a few times and don't
> actually mark the device off line until a longer period of time has
> elasped without the device coming back.

There is a kernel config CONFIG_AIC7XXX_RESET_DELAY_MS (default 15s).
Would increasing it help?

> As for getting it to be not off line without rebooting, just do a this:
> echo "scsi-remove-single-device 0 0 6 0" > /proc/scsi/scsi
> echo "scsi-add-single-device 0 0 6 0" > /proc/scsi/scsi
> That'll remove the device and then rescan it. Assuming it's had enough
> time to complete the reset by the time you do this and it's once again
> ready to accept commands, this should get your CD back working.

This works fine, thanks a lot.

-Igor Mozetic
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