From mboxrd@z Thu Jan 1 00:00:00 1970 From: madhu.cr@ti.com (Madhusudhan) Date: Wed, 24 Mar 2010 10:32:22 -0500 Subject: mmc errors (was Re: [PATCH] arm: Fix DEBUG_LL for omap zoom2/3) References: <20100322212025.GW11448@atomide.com> <20100323152709.GD11448@atomide.com> <4BA94564.8030803@ti.com> Message-ID: <000101cacb67$32973200$544ff780@am.dhcp.ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > -----Original Message----- > From: Madhusudhan [mailto:madhu.cr at ti.com] > Sent: Wednesday, March 24, 2010 10:31 AM > To: 'Nishanth Menon'; 'Tony Lindgren' > Cc: 'Pais, Allen'; 'linux-arm-kernel at lists.infradead.org'; 'linux- > omap at vger.kernel.org'; 'Pandita, Vikram' > Subject: RE: mmc errors (was Re: [PATCH] arm: Fix DEBUG_LL for omap > zoom2/3) > > Hi Nishant, > > The eMMC on Zoom2 has an issue with respect to detection as a high > capacity card. This was discussed on the list with Pierre sometime back. I > don't have an acceptable solution to make this device work. Rather I > prefer to submit a patch which disables MMC2 on these boards. > > You can still use MMC1 to mount your file system. This is the card you can > plug in to the cage. > > Regards, > Madhu > > > -----Original Message----- > > From: Nishanth Menon [mailto:nm at ti.com] > > Sent: Tuesday, March 23, 2010 5:49 PM > > To: Tony Lindgren > > Cc: Pais, Allen; linux-arm-kernel at lists.infradead.org; linux- > > omap at vger.kernel.org; Pandita, Vikram; Madhusudhan Chikkature Rajashekar > > Subject: mmc errors (was Re: [PATCH] arm: Fix DEBUG_LL for omap zoom2/3) > > > > Tony Lindgren had written, on 03/23/2010 10:27 AM, the following: > > [...] > > > Then at least one issue remains for zoom3 to be usable.. > > > I'm getting tons of MMC errors trying to mount root on it: > > > > > > mmcblk1: error -110 transferring data, sector 2097024, nr 8, card > status > > 0x900 > > > end_request: I/O error, dev mmcblk1, sector 2097024 > > > ... > > > > > I have seen this on few platforms and seem to be related to eMMC usage. > > > > > Any ideas if that's fixed somewhere also? > > Madhu, any comments? > > > > -- > > Regards, > > Nishanth Menon