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Date: Mon, 02 Sep 2002 21:16:48 +0200
From: CAMTP guest <camtp.guest@uni-mb.si>
Subject: Re: aic7xxx sets CDR offline, how to reset?
In-reply-to: <20020902140509.A10976@redhat.com>
To: Doug Ledford <dledford@redhat.com>
Cc: linux-kernel@vger.kernel.org
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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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