From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: OMAP4 bust: MMC causes hung tasks Date: Wed, 20 Feb 2013 12:15:51 -0500 Message-ID: <87txp6gb3s.fsf@octavius.laptop.org> References: <20130220170003.GW17833@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from void.printf.net ([89.145.121.20]:36605 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757402Ab3BTRP7 (ORCPT ); Wed, 20 Feb 2013 12:15:59 -0500 In-Reply-To: <20130220170003.GW17833@n2100.arm.linux.org.uk> (Russell King's message of "Wed, 20 Feb 2013 17:00:03 +0000") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Russell King - ARM Linux Cc: linux-omap@vger.kernel.org, linux-mmc@vger.kernel.org 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? > [ 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. - Chris. -- Chris Ball One Laptop Per Child