Red Hat Bugzilla – Bug 438202
ath5k overwrites poison
Last modified: 2013-01-13 07:10:40 EST
Description of problem:
When running NetworkManager, the kernel detects poison overwritten.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Do some networking.
2. Change networkmanager settings.
There is an additional lockdep error, which may not be related.
Created attachment 298551 [details]
Exerpt of syslog with poison overwritten and lockdep problem
Setting-up rx dma pointers improperly?
Still happening in 2.6.25-0.155.rc6.git8.fc9.i686
Changing version to '9' as part of upcoming Fedora 9 GA.
More information and reason for this action is here:
Are you seeing this issue with current kernels?
Seems ok on the latest Fedora 9 kernel. (Not tried from Koji)
Created attachment 309818 [details]
BUG kmalloc-4096 (Not tainted): Poison overwritten in 220.127.116.11-55.fc9.i686.debug
Card Atheros Communications Inc. AR5212/AR5213 Multiprotocol MAC/baseband
processor [168c:0013] (rev 01)
I use monitor mode to capture air packets with tcpdump.
the packets RX stat stop increase about every 50k packets. Then dmesg will get
the kernel bug dump as attachment.
It seems that the bug is not fix yet.