If you are having issues with mtd utils, I recommend asking questions on the linux-mtd list. -- Charles On Wednesday 10 November 2010 02:27:21 Murali N wrote: > one problem here i am facing is i am unable to run the mtd-utils from > intiramfs shell. > every time i ran the "flash_erase" utility it is giving some weird error. > It looks like binary is unable to find the linker script on the > target. I tried copying those library files to 'lib' folder on the > target but it didn't help. > > Can any one please provide any other solutions. > > thanks > > On Thu, Nov 4, 2010 at 1:01 PM, Ricard Wanderlof > > wrote: > > On Thu, 4 Nov 2010, Murali N wrote: > >> Hi, > >> I have booted the kernel (.35) using the initramfs (not from the flash). > >> As a testing purpose i am trying to mount the YAFFS filesystem onto to > >> one of  the MTD partition on the flash. > >> MTD partition information is given through kernel command line option > >> and also make sure that the partition is erased. > >> Initially i mounted the YAFFS filesystem onto above erased MTD > >> partition and i am able to see only 'lost+found" directory. > >> Later i have copied bunch of files, i am able to see those file > >> contents properly before unmount. > >> After i umount and mount back the partition. After the remount i am > >> not able seen the files which i had copied. > >> Also not seen any error messages from either YAFFS or nand driver. > >> > >> Here i am thinking whether the actual write is happens onto flash or > >> not? If it is YES then when i remount i should be able to see the > >> contents. > >> I have given forcefully 'sync' option from the command prompt even > >> that didn't work. > >> > >> Can anyone please share your thoughts/suggestions on this behavior? > > > > One thing you could do to see if your data is in any way written to the > > flash, is to dump the contents of the mtd partition after umounting. If > > the partition only contains 0xff then the data has not been written (at > > least not where you think it has been written...). > > > > /Ricard > > -- > > Ricard Wolf Wanderlöf                           ricardw(at)axis.com > > Axis Communications AB, Lund, Sweden            www.axis.com > > Phone +46 46 272 2016                           Fax +46 46 13 61 30