From: Greg KH <greg@kroah.com>
To: Luca Coelho <luca@coelho.fi>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH 5.1] iwlwifi: mvm: disable TX-AMSDU on older NICs
Date: Mon, 26 Aug 2019 18:48:47 +0200 [thread overview]
Message-ID: <20190826164847.GA9305@kroah.com> (raw)
In-Reply-To: <20190822180157.22587-1-luca@coelho.fi>
On Thu, Aug 22, 2019 at 09:01:57PM +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>
5.1 is long end-of-life, sorry.
prev parent reply other threads:[~2019-08-26 16:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-22 18:01 [PATCH 5.1] iwlwifi: mvm: disable TX-AMSDU on older NICs Luca Coelho
2019-08-26 16:48 ` Greg KH [this message]
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