Red Hat Bugzilla – Bug 414831
Broadcom Driver bnx2 causes panic under high network load
Last modified: 2014-06-29 18:59:45 EDT
Description of problem:
There is a bug in the bnx2 driver that causes a kernel panic when the TX buffer
It was fixed in version 1.5.2 of the module. Centos 5.0 is using 1.4.44-1.
1.5.2 was released about a year ago according to the developer.
Version-Release number of selected component (if applicable):
Very easy under Xen, somewhat easy not under xen.
Steps to Reproduce:
1. mount server:/share /mnt
2. cd /mnt
3. cat file1_1gb file2_1gb > file3
with xen it crashes 50% of the time or more, without xen it crashes 5-50% of the
RHEL 5.1 has 1.5.11 which has the bug fixed, but the problem is pretty serious
in my work environment and it should probably be backported to all supported
I intended to say RHEL 5.0 is using 1.4.44-1, not Centos.
Have you tried a 5.1 kernel? (Maybe not if using CentOS since they haven't
rebuilt everything yet).
Feel free to try my test kernels here if you like, but this issue was resolved
quite a while ago and appears in any kernel version after 2.6.18-28.el5.
My test kernels are here:
Please re-open if an updated kernel does not resolve this and please report any
issues you find while running my test kernels directly to me. The more testing