Folks, I am still on the rh6.0-is-fine/won't-even-boot-rh6.1
issue, with my Dell PE2300 with onboard AIC-7890 (aic7xxx), etc.

Further developments since my last message: (a) no, I didn't
do anything weird to BIOS settings; and (b) I've found
another person/machine with the same symptoms (via
comp.periphs.scsi).

My last trick was an "upgrade by stealth", i.e. installing
all the various rh6.1 rpms "by hand", ending with the kernel
ones (having taken suitable backups :-).  That kernel -- a
real not-just-for-booting 6.1 kernel -- didn't work either.
It listed the three SCSI controllers correctly, said "3 scsi
hosts", then hung.  (The next thing it should have done is
list the devices it found hanging off those controllers.)

Sure smells like a linux bug somewhere... Does this ring any
bells?  (Any Dell people who care about rh6.1 working on
their boxes :-?)  Thx,

Will

In mid-Nov, I wrote:

> Folks, I've got a Dell Poweredge 2300 [*], with Redhat 6.0
> on it, but I'm getting almost nowhere on a 6.1 upgrade
> because of an apparent SCSI-related issue...
> 
> 'm getting a little way with a (yes, updated) boot* (or
> bootnet*) disk [I've specified language, keyboard, IP#s,
> etc], and it will pop up a box
> 
>       Loading SCSI driver
> 
>     Loading aic7xxx driver...
> 
> and just sit there evermore.
> 
> The first thing I tried was: "linux aic7xxx=no_probe"
> (having read various things on the net).  No particular
> joy.
> 
> Next I tried with a RH6._0_ bootnet disk (remember, this
> must have worked in the past!).  It eventually just hung (no
> message or anything).
> 
> Next I said, "When I built the machine, I didn't have the
> 2940U2W card in", so I ripped it out (temporarily)...
> 
> Without "aic7xxx=no_probe", I got the same problem as
> before.  With it, I got through to the rh6.1
> installification, but it couldn't see any of my disks (at
> all).
> 
> Now, sometime after RH6.0 install, we fiddled some (SCSI)
> BIOS settings in what-we-thought-were-innocent ways.
> Next shot will be to try "undo"ing that, and see if things
> spring back to life.  Anybody with hot tips about what to
> look for?
> 
> Will
> 
> [*] It's got an on-board AIC-7890 SCSI controller, with 4
> Ultra2-LVD disks hanging off it.  It's got an on-board
> AIC-7860, with nothing hanging off it.  It's got an extra
> card (Adaptec) AHA-2940U2W, with a DLT tape drive hanging
> off it.

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