On Fri, 2007-08-03 at 22:12 -0700, Brennan Ashton wrote: > When the bcm43xx_mac80211 driver stops communicating, and needs to be > reset (this seems to happens when coming from strong to week to strong > signal area quickly) i have been rmmod and then modprobing it. this > works most of the time, but some times (~20%), it will lock up the > network with this error that repeats. > > Message from [EMAIL PROTECTED] at Fri Aug 3 00:55:41 2007 ... > localhost kernel: [19316.256549] unregister_netdevice: waiting for eth1 to > becom > e free. Usage count = 5 > > usage count varies, but renders the system unusable (extremely slow, > like when localhost is not defined) until the laptop is turned off, > the system will hang during shutdown requiring a power interrupt. > This did not happen with the bcm43xx driver in 2.6.22-rc7.
I was about to suggest it could be caused by the deadlock Michael just found and fixed, but that happens under rtnl so it can't be. Can you get a process dump? echo t > /proc/sysrq-trigger or just pressing sysrq-t johannes
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