From: Sasha Levin <sashal@kernel.org>
To: Luca Coelho <luca@coelho.fi>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH 5.2] iwlwifi: mvm: disable TX-AMSDU on older NICs
Date: Sun, 25 Aug 2019 21:29:39 -0400 [thread overview]
Message-ID: <20190826012939.GE5281@sasha-vm> (raw)
In-Reply-To: <20190822180054.22422-1-luca@coelho.fi>
On Thu, Aug 22, 2019 at 09:00:54PM +0300, Luca Coelho wrote:
>From: Johannes Berg <johannes.berg@intel.com>
>
>commit cfb21b11b891b08b79be07be57c40a85bb926668 upstream.
>
>On older NICs, we occasionally see issues with A-MSDU support,
>where the commands in the FIFO get confused and then we see an
>assert EDC because the next command in the FIFO isn't TX.
>
>We've tried to isolate this issue and understand where it comes
>from, but haven't found any errors in building the A-MSDU in
>software.
>
>At least for now, disable A-MSDU support on older hardware so
>that users can use it again without fearing the assert.
>
>This fixes https://bugzilla.kernel.org/show_bug.cgi?id=203315.
>
>Signed-off-by: Johannes Berg <johannes.berg@intel.com>
>Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
It applied as is from Linus's tree, so I just took it directly from
there to 5.2, thank you.
--
Thanks,
Sasha
prev parent reply other threads:[~2019-08-26 1:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-22 18:00 [PATCH 5.2] iwlwifi: mvm: disable TX-AMSDU on older NICs Luca Coelho
2019-08-26 1:29 ` Sasha Levin [this message]
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