EB164 scsi hang with Redhat 4.0

Mike Cruse (mcruse@cti-ltd.com)
Thu, 31 Oct 1996 17:18:53 -0800

Hi all,

I have an EB164 machine with an NCR 53c825 fast wide scsi controller and
a Quantum XP34300W fast wide drive. Redhat 3.0.3 was working fine. I'm
now trying to install 4.0 from scratch. I've tried more than 20 times to
do this but the machine dies every time while trying to prepare the swap
partition. I have a 64Meg swap partition. I tried a 32 Meg swap for
grins. That works but things hang during mke2fs. I even tried doing all
the prep stuff on another Intel machine then moving the drive back but
again things grind to a halt as soon as the first large package gets
installed.

I also tried tweaking the scsi transfer stuff, i.e.

> echo "setsync #target period" >/proc/scsi/ncr53c8xx/0
>
> - echo "setsync 0 255" >... renegotiate asynchronous transfer with
target 0
> - echo "setsync 0 50" >... 5 MHz synchronous transfer
> - echo "setsync 0 25" >... 10 MHz synchronous transfer (max
speed)

but to no avail.

I have now seen the same problem on an Intel PPro-200 box also with an
NCR controller (not wide though).

Seems that there is a problem with the NCR driver.

I would really like to get 4.0 running on my Alpha.

Can anyone shed some light on this problem?

Thanks in advance

Mike Cruse
Conservation Through Innovation.

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