From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754541Ab0KISC0 (ORCPT ); Tue, 9 Nov 2010 13:02:26 -0500 Received: from mms3.broadcom.com ([216.31.210.19]:4976 "EHLO MMS3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754443Ab0KISCU convert rfc822-to-8bit (ORCPT ); Tue, 9 Nov 2010 13:02:20 -0500 X-Server-Uuid: B55A25B1-5D7D-41F8-BC53-C57E7AD3C201 From: "Brett Rudley" To: "Jon Masters" , devel cc: "Linux Kernel Mailing List" Date: Tue, 9 Nov 2010 10:02:06 -0800 Subject: RE: PROBLEM: brcm80211 unable to survive suspend/resume cycle Thread-Topic: PROBLEM: brcm80211 unable to survive suspend/resume cycle Thread-Index: Act/vEvQejiXzlsoQpe3kqUkw59Z0wAe4k5w Message-ID: <7A94256FD72B884D9E7C55586C3CBCEE13840C62AA@SJEXCHCCR01.corp.ad.broadcom.com> References: <1289272437.3916.440.camel@constitution.bos.jonmasters.org> In-Reply-To: <1289272437.3916.440.camel@constitution.bos.jonmasters.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US MIME-Version: 1.0 X-WSS-ID: 60C753153HC7218598-01-01 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey Jon, thanks for the heads up. I can repro and am looking into it. Brett > -----Original Message----- > From: devel-bounces@linuxdriverproject.org [mailto:devel- > bounces@linuxdriverproject.org] On Behalf Of Jon Masters > Sent: Monday, November 08, 2010 7:14 PM > To: devel > Cc: Linux Kernel Mailing List > Subject: PROBLEM: brcm80211 unable to survive suspend/resume cycle > > Folks, > > I reported this before, but let me open up a new thread for this now > that this driver has landed in 2.6.37-rc1 and been out for a while. I am > able to use this driver (more or less) for daily use on my netbook, but > it is unable survive a suspend/resume cycle without being unloaded and > then reloaded again on resume. That actually seems to work quite well. > > I believe the problem is firmware related: > > [ 553.355497] wl0: wlc_coreinit: ucode did not self-suspend! > [ 554.040495] wl0: wlc_suspend_mac_and_wait: waited 83000 uS and > MI_MACSSPNDD is still not on. > [ 554.040517] wl0: psmdebug 0x000f8773, phydebug 0x00000000, psm_brc > 0x0000 > [ 554.154625] wl0: wlc_suspend_mac_and_wait: waited 83000 uS and > MI_MACSSPNDD is still not on. > [ 554.154647] wl0: psmdebug 0x000f8773, phydebug 0x00000000, psm_brc > 0x0000 > [ 554.270438] wl0: wlc_suspend_mac_and_wait: waited 83000 uS and > MI_MACSSPNDD is still not on. > [ 554.270459] wl0: psmdebug 0x000f8773, phydebug 0x00000000, psm_brc > 0x0000 > [ 554.384569] wl0: wlc_suspend_mac_and_wait: waited 83000 uS and > MI_MACSSPNDD is still not on. > > After the "ucode did not self-suspend", I then get the subsequent two > line warnings repeated forever until I reload the driver. Sure, it's > probably a firmware issue, but isn't there something the driver can do > to kick it into a full reset if it doesn't come back? It's able to do it > on module load initially... > > Jon. > > > _______________________________________________ > devel mailing list > devel@linuxdriverproject.org > http://driverdev.linuxdriverproject.org/mailman/listinfo/devel