1) I can confirm everything Matt has said so far on my machine.  iwpriv -a is 
definitely the cause of the problem
2) Obviously I cant copy paste so good from a non-X vt on a machine that has 
had a kernel panic.  I took a photo however (attached)


3) It looks like it crashes on an ioctl (surprise, surprise).  Sadly the exact 
ioctl isnt there?  It shows me ioctl(0x8bec) which looks like memory somehow 
got corrupted and its passing a bad ioctl?    There is another suspicious ioctl 
before the crash without a macro mapping, 0x8be5.  I'm going to try playing 
with some things, such as:

making iwpriv a noop by converting to a bash script and seeing if that
makes the system stable.

Snooping around with iwpriv a bit more, maybe try some gdb break points,
see if I can narrow this down further and come up with a patch (to
either iwpriv or the driver)

** Attachment added: "20100703_002.jpg"
   http://launchpadlibrarian.net/51353528/20100703_002.jpg

-- 
[STAGING] r8192se_pci + powertop = kernel panic
https://bugs.launchpad.net/bugs/585938
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