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From: Daniel Jacobowitz <drow@false.org>
To: Paul.Mackerras@cs.anu.edu.au
Cc: brad@pht.com, linuxppc-dev@lists.linuxppc.org
Subject: Re: scsi hangs [drow@cs.cmu.edu: Re: CD-writers] (fwd)
Date: Sun, 17 Jan 1999 15:29:14 -0500	[thread overview]
Message-ID: <19990117152914.A12471@drow.res.cmu.edu> (raw)
In-Reply-To: <199901041138.WAA00533@tango.anu.edu.au>; from Paul Mackerras on Mon, Jan 04, 1999 at 10:38:45PM +1100


On Mon, Jan 04, 1999 at 10:38:45PM +1100, Paul Mackerras wrote:
> Brad Midgley <brad@pht.com> wrote:
> 
> > i have tried out the current vger kernel and i'd characterize it as "five
> > times" as stable. meaning i can copy 125 megabytes from a jaz on the
> > external bus to a drive on the internal bus before it crashes--with
> > 2.1.130 i could only copy about 25 megabytes before it crashed. the error
> > when it crashes is always:
> 
> Actually, I'm not sure that the vger version had the locking exactly
> right before.  The version in vger is now the same as the version
> currently in the official tree, and I am moderately confident it's OK.
> If you can reproduce it with that version, I really will have to dig
> deeper.
> 
> We will never get the sd.c patch into the official version because it
> breaks SMP machines.  I know because that's what happened on my SMP
> powermac. :-)


I don't have the exact messages, but attempting to use an external CDR
(boot drive on MESH, burner on 53c94) locks up with a bunch of illegal
sense requests.  Then it tries to reset the external bus, times out,
claims to try harder, and more or less locks up.

Dan

/--------------------------------\  /--------------------------------\
|       Daniel Jacobowitz        |__|     CMU, CS class of 2002      |
|   Debian GNU/Linux Developer    __   Part-Time Systems Programmer  |
|         dan@debian.org         |  |        drow@cs.cmu.edu         |
\--------------------------------/  \--------------------------------/

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  reply	other threads:[~1999-01-17 20:29 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.3.95.990102113010.4424A-100000@pacific.pht.com>
1999-01-02 19:14 ` scsi hangs [drow@cs.cmu.edu: Re: CD-writers] (fwd) Brad Midgley
1999-01-02 23:04   ` satadru pramanik
1999-01-03  1:14     ` Daniel Jacobowitz
1999-01-03  6:33   ` Paul Mackerras
1999-01-04  5:50     ` Brad Midgley
1999-01-04  9:35       ` Geert Uytterhoeven
1999-01-04 11:38       ` Paul Mackerras
1999-01-17 20:29         ` Daniel Jacobowitz [this message]
1999-01-18 20:29           ` Brad Midgley
1999-02-04  0:54             ` Brad Midgley
1999-02-04  1:42               ` Paul Mackerras
1999-02-04  5:56                 ` rsync kernel is incomplete Brad Midgley
1999-02-04  6:11                   ` Paul Mackerras
1999-02-04  9:29                     ` VALETTE Eric
1999-02-04 22:14                     ` Brad Midgley
1999-02-04 23:59                       ` Paul Mackerras
1999-02-05  5:33                         ` modes "default" unfit for general use? Brad Midgley
1999-02-11 18:43               ` scsi hangs [drow@cs.cmu.edu: Re: CD-writers] (fwd) Daniel Jacobowitz
1999-01-19  3:25 ian reinhart geiser

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