[Bug 341952] Re: ath5k locks up system in jaunty - "ath5k phy0: noise floor calibration timeout"

[Jamie Lokier]

Since installing Jaunty, I'm getting lockups every few days on my laptop
and I *don't* use ath5k.  X freezes, no mouse movement, no keyboard, no
Alt-F1 to switch to console.

So the lockup might have nothing to do with ath5k.

One time when it happened, the mouse kept moving though nothing happened
under it and the keyboard didn't work, and I was able to login over the
network.  I looked at the last kernel messages with "dmesg" and saw
something about DRI.  So it may be DRI is to blame.  I don't have Compiz
turned on, though.

I have an Intel 945GM graphics chipset here, and my wi-fi is iwl3945
(which works very well).

I was using a Jaunty kernel before it was released, but with an Intrepid
distribution otherwise (except for essential packages needing to match
the kernel).

With an Intrepid distribution running on top of a Jaunty kernel, I
didn't experience any of these lockups.  So it's quite likely that it's
either not a kernel bug, or a kernel bug which depends on the newer
userspace to trigger it.

Due to the DRI message I saw once, I vaguely suspect the X server and/or
DRI code.

-- 
ath5k locks up system  in jaunty - "ath5k phy0: noise floor calibration timeout"  
https://bugs.launchpad.net/bugs/341952
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