On Tue, May 29, 2012 at 09:57:38PM +0200, Roberto Nibali wrote: > Hi > > > Data Write Failed in PIO Mode.imx-esdhc@imx-esdhc0: timeout 2 > > > imx-esdhc@imx-esdhc0: timeout 1 > > > imx-esdhc@imx-esdhc0: timeout 1 > > > imx-esdhc@imx-esdhc0: timeout 1 > > > block_cache: blk->ops->read returned -110 > > > > Ok, so your problem is inside the esdhc driver. Sorry, I don't know what > > quirks we may need here. Might be worth looking at the kernel or U-Boot > > to find out. > > > I don't know where this driver comes from, however I have been revising the > i.MX25 Chipset Errata and there are heaps of problems with regard to eSDHC. > I will try to address some of them (for example WML related) and see if > this fixes anything. The driver comes from U-Boot, but the kernel might also be a good source to see where the i.MX25 gets special handling. > > > > > BUG: failure at common/block.c:249/block_put()! > > > BUG! > > > > Nevertheless we'll need a fix for this. I'll prepare a patch for this if > > noone else is faster ;) > > > Well, the BUG() is legit, I just seem to be the first to hit it. I am not > sure how you want to fix it, because if it's an issue with regard to > chipset errata, at least a warning has to be issues. Maybe BUG() is a bit > excessive ;). I only want to get rid of the BUG() (see the patches I just sent). Of course this won't fix your problems with the driver. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox