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SubjectRe: [mac80211_hwsim] BUG: unable to handle kernel paging request at ce1db404
On Sat, Mar 15, 2014 at 8:50 PM, Johannes Berg
<johannes@sipsolutions.net> wrote:
>
> On Thu, 2014-03-13 at 02:15 +0530, Krishna Chaitanya wrote:
>
> > From the logs it looks like "rate_control_alloc" is failed,
> > causing ieee80211_register_hw to fail triggering the crash.
>
> Yes.
>
> > what RC are u using? Default should be minstrel, i dont see
> > a reason for rc alloc to fail (remote reason kmalloc failure),
> > so did you disable RC completely? No prints either w.r.t RC either in
> > dmesg?
>
> Pay attention to the .config.
>
Missed the attachment, thanks for pointing.
As guessed the rate control is empty causing the registration fail.

CONFIG_MAC80211=y
# CONFIG_MAC80211_RC_PID is not set
# CONFIG_MAC80211_RC_MINSTREL is not set
CONFIG_MAC80211_RC_DEFAULT=""


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