Hi, Ming, Yes, this patch has some issues and Artem has reverted it. This patch is intent to fix the mtd_oobtest, step 4 issue, but it's wrong. Please revert it. Sorry for that. Best Regards, Jason Liu >-----Original Message----- >From: Ming Lei [mailto:tom.leiming@xxxxxxxxx] >Sent: Friday, December 24, 2010 10:11 PM >To: Liu Hui-R64343; David.Woodhouse@xxxxxxxxx >Cc: Ghorai, Sukumar; linux-mtd@xxxxxxxxxxxxxxxxxxx; linux- >omap@xxxxxxxxxxxxxxx; Charles Manning >Subject: Re: Issue : jffs2 and ecc layout > >Hi Jason, > >2010/12/24 Ming Lei <tom.leiming@xxxxxxxxx>: >> 2010/12/24 Ming Lei <tom.leiming@xxxxxxxxx>: >>> Hi, >>> >>> 2010/12/24 Charles Manning <manningc2@xxxxxxxxxxxxx>: >>> >>>> THis might be due to the way the omap2.c driver is now screwed up so >>>> that it does not read when not u32 aligned. >>>> >>>> Try this: >>>> http://www.spinics.net/linux/lists/linux-omap/msg42422.html >>>> >>>> Please report back if that fixes the problem for you. >>> >>> No, the patch doesn't fix the issue. >> >> #mount -t jffs2 /dev/mtdblock4 /mnt/cf >> >> mount: /dev/mtdblock4: can't read superblock >> >> [ 41.216796] nand_do_read_oob: Attempt to read past end of page [ >> 41.216827] cannot read OOB for EB at 00000000, requested 152 bytes, >> read 0 bytes, error -22 > >When I revert the patch below from Jason, > > http://marc.info/?l=linux-kernel&m=129015697513966&w=2 > >mount will be OK but with some info printed, see below: > >root@beagleboard:~# mount -t jffs2 /dev/mtdblock4 /mnt/cf >[ 39.662963] JFFS2 notice: (1324) jffs2_build_xattr_subsystem: >complete building xattr subsystem, 0 >of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found. > >#mount >...... >/dev/mtdblock4 on /media/cf type jffs2 (rw,relatime) > >So seems the patch from Jason does cause the issue, maybe should be >dropped or fixed further. > >thanks, >-- >Lei Ming -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html