Hello,

First some background:
I am currently running latest mainline from git. This kernel suffers 
from a scheduler? issue where keys get stuck and audio skips every now 
and then. Confirmed to be triggered by a commit named "sched: fix fair 
sleepers".

I am currently on wired lan and have the wireless disabled via hardware 
button. The b43 module is still loaded.

While trying to find what these hickups come from I ran watch --interval 
.1 "cat /proc/interrupts". I can see there that the b43 disappears, gets 
unloaded probably, and then reappears.

When b43 reappears in the interrupt listing, that line generates some 
25000 irq's within a fraction of a second. Is this a bug somewhere or by 
design?

Note that I wouldn't ever see this if the kernel was behaving as normal. 
I have no idea if the b43 driver has always behaved like this. I could 
of course test an older kernel on request.

regards, Richard
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