Red Hat Bugzilla – Bug 1337
some Token ring cards do not work.
Last modified: 2008-05-01 11:37:49 EDT
PCMCIA token ring card cause kernel oop's. This is a big
problem with our IBM customers.
we have gotten a fix, but we do not have any way to test
The following was suggested by a tech from IBM.
>>> Another report gave me a clue about this... the ibmtr
>>> handle memory ranges above 0xfffff so that's causing the
kernel fault. If you use the new drivers and comment out
>>> 0xa0000000-0xa0ffffff memory range in
>>> card should be ok.
This may or may not affect non-PCMCIA token ring adapters.
I pointed a customer to this bug page. He reported that his 16/4
PCMCIA token ring card functions with this fix.
Problem is some token ring adaptors will only come up properly if you
are connected to an active token network. We are considering setting
one of these up in our lab to help duplicate this and other token