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pcmcia SCSI Jaz causes "Aiee scheduling in interrupt"

daemon@ATHENA.MIT.EDU (Wm Randolph Franklin)
Mon Jun 23 20:00:42 1997

To: linux-scsi@vger.rutgers.edu
Date: 	Mon, 23 Jun 1997 19:57:06 -0400
From: Wm Randolph Franklin <wrf@ecse.rpi.edu>


PROBLEM:

When I try to use a Jaz drive on my Linux machine, 
various  things will cause this error:

	Aiee: scheduling in interrupt 00123d49


EXAMPLE - fsck

Trying to put a filesystem on my Jaz drive, with checking
(-c), causes it.  This has happened 3 times, always at the same
address.  The machine lists a screenful of this error and goes
catatonic.  I have to pull the battery to reboot.

If I don't try to check the whole drive, i.e., do this:

	mkfs -t ext2 -v /dev/sda1

then it works.   Always in the past, I've checked the complete
surface of new disks before using them.  What's going on here?

EXAMPLE - du

One I have the file system (w/o checking) created and mounted,
trying to do

	du

will cause the same "Aiee".  Again this is quite repeatable.

DETAILS   

   IBM Thinkpad 755CD
   Linux 2.0.30
   pcmcia-cs-2.9.6
   Iomega Jaz drive on their SCSI PCMCIA card.


THINGS TRIED:

I changed the IRQ from 5 to 9, but that didn't change anything.

I tried removing the Ethernet card.



Help anyone?  Could you please email me since I'm not on
this list.   (In fact, since I found it by a web search, I don't
know how to get on it.)

Thanks.

------------------------
		      Wm. Randolph Franklin
		       Associate Professor
			 wrf@ecse.rpi.edu
		  +1 (518) 276-6077;  Fax: -6261
	      http://www.ecse.rpi.edu/Homepages/wrf/
ECSE Dept., 6026 JEC, Rensselaer Polytechnic Inst, Troy NY, 12180 USA
			 (PGP key available)

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