SCSI adapter preventing boot

[Stewart C. Russell]

I have an old Adaptec 2940 (aic7870) PCI SCSI board driving a Minolta 
film scanner and an old Sony CD-ROM. This seemed to work okay on Redhat 7.3.

On upgrading to Gentoo 1.4 (which only took five days ...) it seems to 
lock the boot process into a loop. I'm getting messages like:

host 1 abort timed out - bus is being reset
(scsi:0:-1:-1) Disconnected list inconsistency ...
Yikes! There is a loop in the free list ...

and this goes on and on, bumping the pid up by one as it goes.

The card passes its own self test, and identifies the devices correctly. 
Knoppix 3.2 will boot (eventually), but it has disabled the adapter.

Broken card? Broken PCI slot? Termination weirdness? New aic7xxx driver 
issues?

Any suggestions appreciated.

thanks,
  Stewart

(uname -a:
Linux groundhog 2.4.20-gentoo-r7 #1 Thu Oct 23 08:27:01 EDT 2003 i686 
AMD Athlon(tm) XP 1800+ AuthenticAMD GNU/Linux)

-- 
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