From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows 95)
Description of problem:
IBM Token-Ring Lanstreamer driver is included in the kernel, but it is
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Correctly configure your card.
2. ifup tr0
3. ifdown tr0
Actual Results: The system (kernel) hangs
Expected Results: Not hang
This is a known bug. Patches are available from IBM:
I'll be happy to see this fixed before RH7.2 release.
I added this patch to our kernel recently and I hope/expect it to make it into
our next release.