[Centos] IBM x226 lockups, convert CentOS to RHEL 3.0

[Troy Engel]

Barry L. Kline wrote:
> 
> Failing that I'll try dropping back kernels and see what happens.

Another possible test, although it's the worst case scenario - compile 
your own kernel only using the patches from the SRPM you really need. 
Sometimes RedHat kernels actually break the real kernel in obscure ways.

Historical anecdote: back in RH73, the Intel L440GX+ motherboard (server 
mobo) was everywhere. The initial 7.3 kernels worked fine, then along 
the way they broke - no L440GX+ motherboard would work anymore. At that 
point I had to run hand-compiled kernels on all the servers (same core 
version as RPM patched ones) and it worked perfectly fine.

Eventually newer kernels came out that at least worked with 'noapic' on 
the boot line (still have a few running, knock on wood), but unpatched 
kernels worked just fine without this as before. There's a mile-long bug 
buried somewhere on the redhat.com bugzilla.

So, there is some history of RedHat patches breaking a perfectly good 
kernel - you may possibly be in this situation, but it's a real bugger 
to figure out.

-te

-- 
Troy Engel | Systems Engineer
Fluid Inc. | http://www.fluid.com