http://bugzilla.kernel.org/show_bug.cgi?id=13458
Reinette Chatre <reinette.cha...@intel.com> changed:
What |Removed |Added
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CC| |johan...@sipsolutions.net
--- Comment #5 from Reinette Chatre <reinette.cha...@intel.com> 2009-06-05
18:25:46 ---
Adding Johannes because this problem may be related to new rfkill changes ...
(In reply to comment #2)
> Q1. is this gpf can be reproduced consistently? i.e. does it happen every time
> when you enable rfkill for the first time after a fresh boot?
It can. I tried the following a few times now:
* reboot machine
* disable/enable rfkill
In all of these tests I saw the gpf when I enabled rfkill (wireless swithch to
"off") for the first time after booting the machine.
> Q2. is this a regression? did you see the same problem happen on an earlier
> kernel release?
This is not a regression.
> Q3. can this bug be reproducible in a vanilla kernel?
No.
Your last question prompted some more testing and I have found the following:
When I run with the latest wireless-testing kernel I see the problem every
time. Even when I unload all wireless drivers the problem still appears. In
these tests the rfkill module was loaded.
When I repeat the test in a fresh pull of Linus's kernel then the problem is
not present. Here I also unload wireless modules (keeping rfkill and
sony-laptop loaded) and there is no gpf.
So, it seems that there could be a problem with the new rfkill and the current
sony-laptop. The new rfkill will be in 2.6.31 so this issue will probably show
up once this kernel is released.
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