Return-path: Received: from mail-wr0-f175.google.com ([209.85.128.175]:34847 "EHLO mail-wr0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751856AbdGRTt1 (ORCPT ); Tue, 18 Jul 2017 15:49:27 -0400 Received: by mail-wr0-f175.google.com with SMTP id w4so42943281wrb.2 for ; Tue, 18 Jul 2017 12:49:26 -0700 (PDT) Subject: Re: BUG: brcmfmac: add firmware feature detection for gscan feature breaks 43430a1 To: Ian Molton , "linux-wireless@vger.kernel.org" Cc: Franky Lin , Hante Meuleman References: <25c47ffe-af3e-fb85-ed5b-ff1987cfd93f@mnementh.co.uk> <6c512250-5299-0cad-675b-e7780e999b58@broadcom.com> <246dc2f3-5cfd-7e89-6244-50fa2f546306@mnementh.co.uk> <0271ee86-ba99-fc50-46cd-b796f614fa19@broadcom.com> From: Arend van Spriel Message-ID: <90ba4777-dedc-1a4f-c9c5-fca58106b754@broadcom.com> (sfid-20170718_214931_111706_C1363951) Date: Tue, 18 Jul 2017 21:49:24 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 18-07-17 00:10, Ian Molton wrote: > Hi Arend, > > This is all there is in the forensics file, hope its of some use. > > # cat /sys/kernel/debug/brcmfmac/mmc1\:0001\:1/forensics > Enter > hndarm_armr addr: 0x18003000, cr4_idx: 0 > 000000.000 > RTE (SDIO-CDC) 7.45.41.26 (r640327) on BCM43430 r1 @ 37.4/81.0/81.0MHz > 000000.001 sdpcmdcdc0: Broadcom SDPCMD CDC driver > 000000.005 reclaim section 0: Returned 47716 bytes to the heap > 000000.007 wlc_bmac_info_init: host_enab 1 > 000000.025 wl0: Broadcom BCM43430 802.11 Wireless Controller 7.45.41.26 > (r640327) > 000000.026 TCAM: 256 used: 179 exceed:0 > 000000.027 reclaim section 1: Returned 81268 bytes to the heap You probably guessed it, but this does not show anything useful. The behavior suggested a firmware crash, but that does not seem to be happening. Maybe it is the SDIO core driver on the firmware side which is in la-la land. Regards, Arend