Red Hat Bugzilla – Bug 61059
Hampton Beta Install Hangs on "Loading aic7xxx"
Last modified: 2007-04-18 12:40:54 EDT
Description of Problem:
Installing Hampton Beta via network install hangs on message "loading aic7xxx"
for an extended period of time. Finally, the installation says that it can't
find a disk to install on. Had installed RedHat 7.2 two weeks earlier without
incident. This also occurs after booting the CDROM directly.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Boot CDROM 1
Long delay after loading scsi driver and ultimately a claim that no installable
Should have found SCSI disk 0, and proceeded with partitioning.
System is a Intel ISP2150G - 2X Pentium!!! 850MHz
The intel ISP2150's have the 440GX chipset if I remember it right.
There is a known bios bug in this 440GX/ISP21xx series machine which gets the
IRQ routing ($PIR table) wrong. Instead of fixing this trivial bug, Intel has
decided to declare this machine unsupported by Linux.
In the past we had a (manually activatable) workaround for this bug; I will port
this to the hampton kernel in the next few weeks; I'm surprised someone from
Intel cares....it has been 10 months or so since we reported this bios bug.
Just for grins, I built the "off the shelf" linux-2.4.18 kernel and
booted it without difficulty. - Richard
Sure if you build a kernel with UP APIC enabled it'll work; same for a SMP kernel
We've put the workaround in, but this is a bug in the Intel-provided BIOS
which we won't fix because we can't fix...
I'm probably just obtuse, but just what _IS_ the work-around?
The workaround is to ignore the buggy $PIR table for this exact bios by adding
the DMI identifiers to the hall-of-shame.