> > > BUG: unable to handle kernel NULL pointer dereference at (null)
> > > IP: [] ieee80211_ave_rssi+0xd/0x50 [mac80211]
> >
> > From my debug kernel, sdata is clearly NULL:
> >
> > (gdb) list *0x815b74f8
> > 0x815b74f8 is in ieee80211_ave_rssi (net/mac80211/util.c:1801).
> >
> > When running my Centrino Wireless-N 130 BGN (rev 0xb0) card in nl80211
> > AP mode with hostapd on linux 3.5.0, I immediately hit this fatal
> > pagefault [1].
> >
> > I can cook a debug kernel, reproduce, disassemble the code and do some
> > quick analysis, if that helps get the ball rolling?
On 22 July 2012 17:15, Daniel J Blueman wrote:
> Hi Johannes et al,
>
> When running my Centrino Wireless-N 130 BGN (rev 0xb0) card in nl80211
> AP mode with hostapd on linux 3.5.0, I immediately hit this fatal
> pagefault [1].
>
> I can cook a debug kernel, reproduce, disassemble the code and do
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