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Re: abort using AHA2940UW with x86 Linux RedHat 5.2 (kernel-2.0.36-pre)

daemon@ATHENA.MIT.EDU (Andreas Welbers)
Wed Nov 11 13:39:48 1998

From: Andreas Welbers <aw@ind.RWTH-Aachen.DE>
Date: Wed, 11 Nov 1998 18:07:40 +0100 (MET)
To: Red hat List <redhat-list@redhat.com>,
  RedHat Install List <redhat-install-list@redhat.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

Robert Sander writes:
 > On Sat, 7 Nov 1998, Andrea Neville wrote:
 > 
 > > >We have several Linux boxen here with the same hardware configuration, but
 > > >on the one where we first decided to install RedHat 5.2, we get the ff.
 > > >errors:
 > > >
 .....
 > 
 > Me too. ;-(
 > 
 > Robert Sander	"Is it Friday yet?"
 >   @Home http://home.pages.de/~gurubert
 >     pgp available there

We also have a problem with Redhat-5.2 and Kernel >= 2.0.36.  The
reason seems to be the version of the aic7xxx driver. It seems that
version 5.0.19 is quite good but version 5.1.2 and upper crashes the
system.
If I use the new version of aic7xxx, I can boot the system up. But
then, if I try to make operations using the aic7xxx driver and the
harddisk, the kernel cashes with traps und cryptic error messages. 

Trying to install the new Redhat-5.2 with aic7xxx version 5.1.2 (this
is the default version of the kernel 2.0.36 on the boot disk of
RH-5.2) the systems crashes while accessing the disk; sometimes it
happens while formatting the swap space and sometimes while formatting 
harddisk partitions. If I use the check-option "mke2fs -c ...". This
happens immediately!!!

Then I tried using RH-5.1 and the new kernel packages from
RH-5.2. The same problem. If I start the driver with
	"aic7xxx=extended,verbose"
and use "tar cpvzf usr.tgz usr/" the system crashes with the following 
error message:

	Whoops: unlock_buffer: b_count != 1 on async io.

It is possible to change the virtual terminal but I can't login. I can 
type the login name (root) but if I type the password (xxx) I get
access for a fractional amount of time and then again there is the
login prompt!
 

My box has two Adaptec 2940UW controllers. One controller is a real
2940UW controller (bios version 1.32), this is where the harddrive is
connected, and the other is a onboard controller AIC-7880 on the ASUS
T2P4S mainboard (bios version 1.26).

Any help is appreciated!

Thanks,

Andreas Welbers 
-- 
(Where there's a Linux, there's a way!)

======== ANDREAS WELBERS === eMail: aw@ind.rwth-aachen.de ========
Office: Institute of Communication Systems and Data Processing
        Muffeter Weg 3, 52072 Aachen, Germany
        fon: +49/241/806962     fax: +49/241/8888186
	w3: http://www.ind.rwth-aachen.de/~aw
=========================/\/\/\/\/\/\/\/\=========================


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