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Some more information on this problem discovered by Tim Jones
<tjones@tolisgroup.com>:
Tim> Additional news.
Tim> This is actually related to the check sense bit not being
Tim> propagated up to the ST driver. A simpler test (beats writing
Tim> 40GB to a tape ...):
Tim> use a 2.2.19/20/21 or 22 kernel, or a 2.4.9-34 kernel Remove the
Tim> tape from the tape device execute:
Tim> tar -cvvf /dev/nst0 /etc
Tim> You will receive a "No medium found" message
Tim> Replace the kernel with 2.4.11+ and repeat the tar write test.
Tim> This time, you will receive a write failure.
Tim> This is caused by the check sense not being set and the ST driver
Tim> sending up a EIO instead of the ENOMEDIUM.
So, it looks like this problem is _not_ in the st driver itself, but
somewhere in the SCSI layer.
Anyone have any ideas how to better track it down?
Happy to run debug code/test cases here.
anyone?
kevin
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