Return-path: Received: from www62.your-server.de ([213.133.104.62]:60857 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751673AbeDINhR (ORCPT ); Mon, 9 Apr 2018 09:37:17 -0400 Subject: Re: iwlwifi: FW error in SYNC CMD TIME_QUOTA_CMD From: Daniel Borkmann To: Luciano Coelho , johannes.berg@intel.com Cc: emmanuel.grumbach@intel.com, linux-wireless@vger.kernel.org References: <799ecceb-8b2a-bf8c-b408-374a02280306@iogearbox.net> <1523084065.4488.11.camel@intel.com> <71396747-1be5-78de-3ff7-d0df91d37d36@iogearbox.net> Message-ID: <1a94e616-7dcc-6b70-abb4-684d2f69eb23@iogearbox.net> (sfid-20180409_153721_652978_4582C5AE) Date: Mon, 9 Apr 2018 15:37:14 +0200 MIME-Version: 1.0 In-Reply-To: <71396747-1be5-78de-3ff7-d0df91d37d36@iogearbox.net> Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 04/09/2018 12:13 AM, Daniel Borkmann wrote: > Hi Luciano, > > On 04/07/2018 08:54 AM, Luciano Coelho wrote: >> On Thu, 2018-04-05 at 16:55 +0200, Daniel Borkmann wrote: > [...] >>> after upgrading to 4608f064532c ("Merge >>> git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next") >>> my kernel log gets constantly flooded with the below message and >>> wireless stops >>> working ... just in case you haven't had a report on this yet. >>> Downgrading back >>> to older v4.16-rcX kernel gets everything back to normal working >>> state; haven't >>> had time for bisection yet, but hopefully the below would provide >>> some clue. >> >> [...] >> >>> [ 513.429773] iwlwifi 0000:04:00.0: Failed to send quota: -5 >>> [ 513.429775] iwlwifi 0000:04:00.0: Failed to update quotas after >>> restart (-5) >>> [ 514.163758] iwlwifi 0000:04:00.0: Microcode SW error >>> detected. Restarting 0x82000000. >>> [ 514.163987] iwlwifi 0000:04:00.0: Start IWL Error Log Dump: >>> [ 514.163988] iwlwifi 0000:04:00.0: Status: 0x00000100, count: 6 >>> [ 514.163989] iwlwifi 0000:04:00.0: Loaded firmware version: >>> 27.455470.0 >>> [ 514.163991] iwlwifi 0000:04:00.0: 0x00000038 | BAD_COMMAND >> >> [...] >> >> I did add support for new FW APIs, so maybe some check for the FW >> version is missing somewhere. >> >> Which NIC are you using? I can see that you're using an older version >> of the firmware (27.455470.0). For 7265D and 3168 we already have >> version 29. For 8000C and 8260 we have vesion 36. You can find all >> the latest versions in our fork of linux-firmware.git[1]. And soon the >> main linux-firmware.git[2] will also include the latest versions, since >> I sent a pull request yesteday ago. >> >> Meanwhile, I'll investigate this problem. It shouldn't happen even if >> you're using an older firmware. Maybe I'll have to stop supporting >> version 27 in newer kernels, let's see. > > Here's from the log on an older (working) kernel: > > $ dmesg | grep iwlwifi > [ 7.672955] iwlwifi 0000:04:00.0: enabling device (0000 -> 0002) > [ 7.705000] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-36.ucode failed with error -2 > [ 7.705208] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-35.ucode failed with error -2 > [ 7.705391] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-34.ucode failed with error -2 > [ 7.705850] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-33.ucode failed with error -2 > [ 7.706118] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-32.ucode failed with error -2 > [ 7.706463] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-31.ucode failed with error -2 > [ 7.706789] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-30.ucode failed with error -2 > [ 7.707182] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-29.ucode failed with error -2 > [ 7.707746] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-28.ucode failed with error -2 > [ 7.714899] iwlwifi 0000:04:00.0: loaded firmware version 27.455470.0 op_mode iwlmvm > [ 8.400655] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208 > [ 8.475161] iwlwifi 0000:04:00.0: base HW address: [...] > [ 8.568333] iwlwifi 0000:04:00.0 wlp4s0: renamed from wlan0 > > I'll try to upgrade the FW in the mean time, thanks! Moved to iwlwifi-8000C-36 and that definitely helped. Thanks! >> [1] https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/linux-firmware.git/ >> [2] https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git >> >> -- >> Cheers, >> Luca. >> >