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Date: Tue, 14 Aug 2018 07:14:48 +0200
From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Grzegorz =?utf-8?Q?Duszy=C5=84ski?= <gfduszynski@gmail.com>
Cc: Kalle Valo <kvalo@codeaurora.org>, linux-wireless@vger.kernel.org,
        Johannes Berg <johannes@sipsolutions.net>,
        Haim Dreyfuss <haim.dreyfuss@intel.com>
Subject: Re: Cpu stall caused by hostapd running two interfaces
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On Mon, Aug 13, 2018 at 08:48:17PM +0200, Grzegorz Duszyński wrote:
> Can I help you somehow with this ?

Enable CONFIG_DEBUG_INFO=y in .config if not done already.
Then do:

make net/mac80211/util.o
gdb net/mac80211/util.o
l *(ieee80211_regulatory_limit_wmm_params+0x6e)

and provide output of gdb l command, this should show code
line number where oops occurs.

Thanks
Stanislaw