linux-kernel - Re: iwl_mvm_add_new_dqa_stream_wk BUG in lib/list

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Message-ID: <ea73cd31cc634a1aec9fce8c5629c609f30d7d26.camel@intel.com>
Date:   Fri, 12 Jul 2019 12:57:10 +0300
From:   Luciano Coelho <luciano.coelho@...el.com>
To:     Marc Haber <mh+netdev@...schlus.de>, Yussuf Khalil <dev@...345.net>
Cc:     linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Johannes Berg <johannes.berg@...el.com>,
        Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        Intel Linux Wireless <linuxwifi@...el.com>
Subject: Re: iwl_mvm_add_new_dqa_stream_wk BUG in lib/list_debug.c:56

On Fri, 2019-06-07 at 22:44 +0200, Marc Haber wrote:
> On Fri, Jun 07, 2019 at 10:20:56PM +0200, Yussuf Khalil wrote:
> > CC'ing iwlwifi maintainers to get some attention for this issue.
> > 
> > I am experiencing the very same bug on a ThinkPad T480s running 5.1.6 with
> > Fedora 30. A friend is seeing it on his X1 Carbon 6th Gen, too. Both have an
> > "Intel Corporation Wireless 8265 / 8275" card according to lspci.
> 
> I have an older 04:00.0 Network controller [0280]: Intel Corporation
> Wireless 8260 [8086:24f3] (rev 3a) on a Thinkpad X260.
> 
> > Notably, in all cases I've observed it occurred right after roaming from one
> > AP to another (though I can't guarantee this isn't a coincidence).
> 
> I also have multiple Access Points broadcasting the same SSID in my
> house, and yes, I experience those issues often when I move from one
> part of the hose to another. I have, however, also experienced it in a
> hotel when I was using the mobile hotspot offered by my mobile, so that
> was clearly not a roaming situation.

Hi,

Sorry this got under the radar for a while.  Yesterday someone created
a bugzilla entry with the same error:

https://bugzilla.kernel.org/show_bug.cgi?id=204141

I'm going to file an internal bug report and then have someone look
further into it.

Any additional comments/reproductions/etc. please use that bugzilla
entry.

Thanks for reporting!

--
Cheers,
Luca.