Return-path: Received: from mail-wr0-f179.google.com ([209.85.128.179]:49431 "EHLO mail-wr0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932120AbdIYHBh (ORCPT ); Mon, 25 Sep 2017 03:01:37 -0400 Received: by mail-wr0-f179.google.com with SMTP id u96so5970736wrb.6 for ; Mon, 25 Sep 2017 00:01:37 -0700 (PDT) MIME-Version: 1.0 From: Belisko Marek Date: Mon, 25 Sep 2017 09:01:35 +0200 Message-ID: (sfid-20170925_095440_716139_A7D5AA8A) Subject: mwifiex: Firmware wakeup failed in 4.1 kernel To: "linux-wireless@vger.kernel.org" Cc: amitkarwar@gmail.com, nishants@marvell.com Content-Type: text/plain; charset="UTF-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, I'm using 4.1 stock kernel on imx cpu and 8897 wifi chip connected over pcie to cpu. I did stress test by disabling AP in loop when wifi card is connected to perform scanning and reconnect. After 25 attempts I'll get following and after that wifi is unusable: mwifiex_pcie 0000:01:00.0: Firmware wakeup failed mwifiex_pcie 0000:01:00.0: failed to get signal information mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state mwifiex_pcie 0000:01:00.0: failed to get signal information mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state mwifiex_pcie 0000:01:00.0: failed to get signal information mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state mwifiex_pcie 0000:01:00.0: failed to get signal information mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state mwifiex_pcie 0000:01:00.0: failed to get signal information mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state mwifiex_pcie 0000:01:00.0: failed to get signal information mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state ieee80211 phy0: deleting the crypto keys mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state ieee80211 phy0: deleting the crypto keys mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state ieee80211 phy0: deleting the crypto keys mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state ieee80211 phy0: deleting the crypto keys mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state ieee80211 phy0: deleting the crypto keys mwifiex_pcie 0000:01:00.0: PREP_CMD: FW in reset state ieee80211 phy0: deleting the crypto keys I did look to some new patches and found following patch [0] but it didn't help. Is there anything else I can try to fix this issue? Thanks a lot. [0] - https://patchwork.kernel.org/patch/9516615/ BR, marek -- as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com