From: Luca Coelho <luca@coelho.fi>
To: kvalo@codeaurora.org
Cc: linux-wireless@vger.kernel.org, emmanuel.grumbach@intel.com
Subject: Re: [PATCH v5.7 6/8] iwlwifi: msix: limit max RX queues for 9000 family
Date: Fri, 17 Apr 2020 09:36:40 +0300 [thread overview]
Message-ID: <2f4efddf7bd584b212830ce872c24b026a6345ce.camel@coelho.fi> (raw)
In-Reply-To: <iwlwifi.20200403112332.d08b8dd271ee.I8dfe8a7d3a7ac9f0bc9d93e4a03f8165d8c999d2@changeid>
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.
next prev parent reply other threads:[~2020-04-17 6:36 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-03 8:29 [PATCH v5.7 0/8] iwlwifi: fixes intended for v5.7 2020-04-03 Luca Coelho
2020-04-03 8:29 ` [PATCH v5.7 1/8] iwlwifi: pcie: actually release queue memory in TVQM Luca Coelho
2020-04-03 8:29 ` [PATCH v5.7 2/8] iwlwifi: mvm: beacon statistics shouldn't go backwards Luca Coelho
2020-04-03 8:29 ` [PATCH v5.7 3/8] iwlwifi: pcie: indicate correct RB size to device Luca Coelho
2020-04-03 8:29 ` [PATCH v5.7 4/8] iwlwifi: mvm: limit maximum queue appropriately Luca Coelho
2020-04-03 14:38 ` Mark Asselstine
2020-04-03 17:10 ` Mark Asselstine
2020-04-04 23:17 ` Mark Asselstine
2020-04-14 11:29 ` Johannes Berg
2020-04-17 6:33 ` Luca Coelho
2020-04-03 8:29 ` [PATCH v5.7 5/8] iwlwifi: mvm: Do not declare support for ACK Enabled Aggregation Luca Coelho
2020-04-03 8:29 ` [PATCH v5.7 6/8] iwlwifi: msix: limit max RX queues for 9000 family Luca Coelho
2020-04-17 6:36 ` Luca Coelho [this message]
2020-04-03 8:29 ` [PATCH v5.7 7/8] iwlwifi: mvm: fix inactive TID removal return value usage Luca Coelho
2020-04-03 14:46 ` Mark Asselstine
2020-04-03 18:58 ` Johannes Berg
2020-04-03 19:08 ` Luca Coelho
2020-04-03 21:26 ` Mark Asselstine
2020-04-03 8:29 ` [PATCH v5.7 8/8] iwlwifi: mvm: don't call iwl_mvm_free_inactive_queue() under RCU Luca Coelho
2020-04-03 14:28 ` Mark Asselstine
2020-04-17 6:42 ` Luca Coelho
2020-04-17 7:52 ` Johannes Berg
2020-06-15 14:10 ` Kalle Valo
2020-06-23 8:25 ` Kalle Valo
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