[634] in linux-scsi channel archive
Re: strange behaviour from SCSI CDROM
daemon@ATHENA.MIT.EDU (Kai Harrekilde-Petersen)
Tue Sep 19 22:25:53 1995
From: Kai Harrekilde-Petersen <khp@pip.dknet.dk>
To: joe@amber.dinoco.de
Date: Tue, 19 Sep 1995 19:42:48 +0200 (MET DST)
Cc: linux-scsi@vger.rutgers.edu (Linux SCSI mailing list)
In-Reply-To: <199509182003.UAA00175@joebox.nightware.com> from "joe@amber.dinoco.de" at Sep 18, 95 08:03:42 pm
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joe@amber.dinoco.de writes:
> Today I had to copy something from my CDROM (NEC CDR210, ID 1) to my second
> harddrive (FUJITSU 2654, ID 0 on same controller). The 'cp' command didn't
> return. After a while I got suspicious, and recognized the FUJITSU drive
> *WAS NO LONGER RUNNING AT ALL*!!
> After a reboot (reset, 'cause all partitions on the drive could not be unmounted ;-)
> I found that 32768 bytes had been copied from the cdrom to the drive. I repeated
> the 'cp' and got *EXACTLY* the same result. I then rebooted and copied from the
> cdrom to my first (EIDE) drive - the FUJITSU turned off at roughly 147000 bytes
> (although it wasn't accessed during the process), and 'cp' never finished.
> (BTW, the size of the file is roughly 300K).
I've had similar problems with a NEC 3xp borrowed from work. The cure
was to disable disconnect/reconnects on the CDROM (I have later
learned that a bios/microcode upgrade on my aha1542cf might be an even
better cure).
Kai
- --
Kai Harrekilde-Petersen <khp@pip.dknet.dk> Linux: choice of a GNU generation
>> Inside every little problem there's a BIG problem, struggling to get out <<
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