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Date:      Tue, 20 Apr 1999 02:39:54 +0200
From:      Juergen Lock <nox@jelal.kn-bremen.de>
To:        freebsd-stable@FreeBSD.ORG
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   hanging `tar xfvR /dev/nrst0' process, can i debug it?
Message-ID:  <19990420023954.A20589@saturn.kn-bremen.de>

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[Cc'd to -scsi, subscription is on the way...]

bash# tar xfvR /dev/nrst0
tar: rec 0: read error on /dev/nrst0 : Input/output error

^C

[other xterm:]
bash# ps -xawl|grep tar
    0 20103 19849   4  -6  0   940  516 piperd S+    p1    0:00.03 grep tar
    0 19838 18532   0  -6  0   436  192 cgticb DE+   p8    0:00.00  (tar)

 The tape drive is silent, all other targets on the bus can be
accessed without problems.  I have positioned the tape with a script
thats doing

	camcontrol cmd -u 0 -n sa -t 3000 -c "2b 4 0 v v v v 0 0 0" 0x$c3 0x$c2 0x$c1 0x$c0

(thats the LOCATE command if i remember right, it worked as expected)
could that have someting to do with it?  Normally i would just reboot
but maybe there is something i can check to help isolate the problem?
System is 3.1-stable, checked out Apr 10 (cvs-cur.5224), DDB is in
the kernel and i can rebuild it with -g (or so i think. :)

 Awaiting instructions...
-- 
Juergen Lock <nox@jelal.kn-bremen.de>


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