From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Drake Subject: Re: crash in mmc subsystem during suspend Date: Fri, 20 Nov 2009 15:10:58 +0000 Message-ID: <1258729858.2235.29.camel@localhost.localdomain> References: <1258707087.2235.6.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f221.google.com ([209.85.220.221]:42551 "EHLO mail-fx0-f221.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753389AbZKTPKz (ORCPT ); Fri, 20 Nov 2009 10:10:55 -0500 Received: by fxm21 with SMTP id 21so3776707fxm.21 for ; Fri, 20 Nov 2009 07:11:01 -0800 (PST) In-Reply-To: <1258707087.2235.6.camel@localhost.localdomain> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org On Fri, 2009-11-20 at 08:51 +0000, Daniel Drake wrote: > We're busy testing the suspend/resume functionality on the new OLPC > XO-1.5 laptop. This uses a SD card as its primary disk, which is on a > SDHCI controller on the VIA VX855 chipset. We are running Linux v2.6.31 > > We are occasionally encountering a crash from below mmc_rescan() during > suspend: OK, I just realised that our kernel includes various non-upstream patches (yet), some of which are executing during suspend/resume and may be a contributing factor to this problem. (the patches allow us to retain power to our SDIO wifi card during suspend) Nevertheless, any help on our battle to stable suspend/resume and the other bits we're working on is always appreciated. :) Daniel