Re: [RFT v9] rfkill: rewrite

[Johannes Berg <johannes@sipsolutions.net>]

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On Tue, 2009-05-12 at 15:09 +0100, Alan Jenkins wrote:

> I tested on todays wireless-testing, aka v2.6.30-rc5-23297-gbf2c6a3.
> Somehow, it triggers an OOPS
> 
> Function: req_reg_info_regd
> Process: modprobe
> 
> Call trace:
> wiphy_apply_custom_regulatory
> ath5k_regd_init
> ath5k_reg_notifier
> ath5k_pci_probe
> ...
> 
> Photo: <http://picasaweb.google.com/sourcejedi.lkml/Screenshots#5334936857267342674>
> 
> The kernel then hangs later on in the boot process.  It responds to
> SysRq, but does not echo normal keypresses.  SysRq+P shows that the
> kernel is in the idle task.  I left it for three minutes, but I didn't
> get any trace from the hung task detector or soft lockup detector.
> 
> At first I thought it must be a problem with wireless-testing.
> However, it went away when I eventually tried un-applying the rfkill
> rewrite patch.

Confusing, but I think the stacktrace is just bogus. Can you recompile
your kernel with CONFIG_FRAME_POINTER please?

johannes

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