From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: OMAP4 bust: MMC causes hung tasks Date: Wed, 20 Feb 2013 23:43:49 +0000 Message-ID: <20130220234349.GA17852@n2100.arm.linux.org.uk> References: <20130220170003.GW17833@n2100.arm.linux.org.uk> <87txp6gb3s.fsf@octavius.laptop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <87txp6gb3s.fsf@octavius.laptop.org> Sender: linux-omap-owner@vger.kernel.org To: Chris Ball Cc: linux-omap@vger.kernel.org, linux-mmc@vger.kernel.org List-Id: linux-mmc@vger.kernel.org On Wed, Feb 20, 2013 at 12:15:51PM -0500, Chris Ball wrote: > Hi, > > On Wed, Feb 20 2013, Russell King - ARM Linux wrote: > > MMC looks sick - not sure what's going on with it though. mmc0 I believe > > is the onboard eMMC, mmc1 is the external SD card with the rootfs. Any > > ideas? > > Is this with 3.8 final, or mmc-next? You chopped off the version line printed by the kernel which gave you some of that information. It's v3.8-rc7 based, no external trees pulled in. > > [ 1.253265] mmc0: new high speed MMC card at address 0001 > > [ 1.260650] mmcblk0: mmc0:0001 SEM08G 7.39 GiB > > [ 1.265594] mmcblk0boot0: mmc0:0001 SEM08G partition 1 1.00 MiB > > [ 1.272003] mmcblk0boot1: mmc0:0001 SEM08G partition 2 1.00 MiB > > [ 1.278411] mmcblk0rpmb: mmc0:0001 SEM08G partition 3 128 KiB > > [ 1.289947] mmcblk0: unknown partition table > > [ 1.297851] mmcblk0boot1: unknown partition table > > [ 1.304321] mmcblk0boot0: unknown partition table > > [ 1.471282] twl6040 1-004b: timeout waiting for READYINT > > ... > > [ 1.603820] mmc1: host does not support reading read-only switch. assuming wr > > ite-enable. > > [ 1.614105] mmc1: new high speed SD card at address 0002 > > [ 1.620086] mmcblk1: mmc1:0002 00000 971 MiB > > [ 1.626129] mmcblk1: p1 p2 > > ... > > [ 4.698455] VFS: Mounted root (ext3 filesystem) on device 179:34. > > ... > > [ 10.123077] mmcblk0rpmb: timed out sending r/w cmd command, card > > status 0x400900 > > Ah, I think you need this patch from mmc-next: > > 30bedc8b4c99b0da585a8e983d6346773cb50794 > mmc: core: expose RPMB partition only for CMD23 capable hosts > > It's already got a stable@ tag on it. I'll be sending mmc-next to Linus > shortly and will make sure it gets into 3.8-stable; sorry it didn't make > it into 3.8-final. Yup, that's missing. Thanks Chris.