Red Hat Bugzilla – Bug 427310
Kernel BUG in prism54pci
Last modified: 2009-02-11 14:49:10 EST
Description of problem:
Kernel BUG reported in prism54pci.
SMC 2802v2 wireless card, wpa2 TKIP connection to wireless access point.
Steps to Reproduce:
1. Make connection to wireless access point
2. Download/upload over the wireless connection. Fails at a random point.
Kernel BUG reported in prism54pci
No bug reported.
Additional Info: See attachments
Created attachment 290684 [details]
kernel bug from log and output of lspci -vv
FWIW, that BUG is not actually in the prism54pci code (but it may indeed be
caused by prism54pci). I'll have to investigate further to understand what is
It looks like the last few instances are somewhere else entirely. It is
possible that something else is causing this problem. Could you try to
recreate it in some other manner (e.g. using a wired connection instead of
wireless)? It may be interesting to see if the problem disappears or just
What kernel version are you using? Can you reproduce this against
the -107.fc8 kernel?
Email from "Matt Kohner" <firstname.lastname@example.org>:
I installed -107 tonight. When trying to download several rpms after
rebooting into -107, I got a hard lockup, with just the capslock
I am unable to reproduce the kernel BUG error.
Before updating to -107, I usually got a hard lockup using the wifi
card. I would get a lock up with the capslock indicator blinking on
the keyboard. Only twice did I see the kernel bug actually logged, and
in those cases, the system did not lock up.
I was unable to reproduce either error using the ethernet adapter.
Just the wireless card causes the lockups.
Updated to 184.108.40.206-115.fc8 kernel. Lockup still occurs.
There was a recent prism54 patch that _might_ relate to this problem. Could
you try this kernel?
Does that resolve the issue?
Updated to kernel-220.127.116.11-64.fc8 - lockup still occurs.
Wow, long time...are you still seeing this issue with current kernels? I've never seen anything like it reported anywhere else.
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