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Message-ID: <2f4efddf7bd584b212830ce872c24b026a6345ce.camel@coelho.fi>
From:   Luca Coelho <luca@coelho.fi>
To:     kvalo@codeaurora.org
Cc:     linux-wireless@vger.kernel.org, emmanuel.grumbach@intel.com
Date:   Fri, 17 Apr 2020 09:36:40 +0300
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Subject: Re: [PATCH v5.7 6/8] iwlwifi: msix: limit max RX queues for 9000
 family
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On Fri, 2020-04-03 at 11:29 +0300, Luca Coelho wrote:
> From: Mordechay Goodstein <mordechay.goodstein@intel.com>
> 
> There is an issue in the HW DMA engine in the 9000 family of devices
> when more than 6 RX queues are used.  The issue is that the FW may
> hang when IWL_MVM_RXQ_NSSN_SYNC notifications are sent.
> 
> Fix this by limiting the number of RX queues to 6 in the 9000 family
> of devices.
> 
> Cc: stable@vger.kernel.org
> Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
> ---

As Emmanuel pointed out, we have disabled NSSN in the driver for now,
so this doesn't have to go to -fixes and stable.  I'll drop it in v2 of
this patchset.

--
Cheers,
Luca.