From: Johannes Berg <johannes@sipsolutions.net>
To: Ben Greear <greearb@candelatech.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: WARNING in agg-tx.c (3.5.7+, not tainted)
Date: Wed, 31 Oct 2012 20:10:47 +0100 [thread overview]
Message-ID: <1351710647.6281.10.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <509173D0.9010701@candelatech.com> (sfid-20121031_195414_905498_198D44C4)
On Wed, 2012-10-31 at 11:54 -0700, Ben Greear wrote:
> While trying to debug another kernel splat, I saw this one. System was
> in process of creating and getting DHCP for 400 virtual stations.
>
> Code in question:
>
>
>
> mutex_lock(&sta->ampdu_mlme.mtx);
> tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
>
> if (WARN_ON(!tid_tx)) {
> #ifdef CONFIG_MAC80211_HT_DEBUG
> printk(KERN_DEBUG "addBA was not requested!\n");
> #endif
Hm should probably be a WARN(), but ...
>From the backtrace it looks like maybe you were tearing down the
interface? So maybe it's possible that you were remove it or something,
and the driver had just accepted the session? Hmm.
johannes
next prev parent reply other threads:[~2012-10-31 19:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-31 18:54 WARNING in agg-tx.c (3.5.7+, not tainted) Ben Greear
2012-10-31 19:10 ` Johannes Berg [this message]
2012-10-31 19:18 ` Ben Greear
2012-10-31 19:20 ` Johannes Berg
2012-10-31 23:44 ` Ben Greear
2012-11-14 9:37 ` Johannes Berg
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