try: # dd if=/dev/mtd/mtd4 of=/sdcard/boot.img conv=sync (or) # dd bs=4k if=/dev/mtd/mtd4 of=/sdcard/boot.img conv=sync http://en.wikipedia.org/wiki/Dd_(Unix)#Data_transfer
NB: watch out with long "dd", because "dd" is uninterruptible (ctrl+c). Processes currently doing IO are not kill'able. http://stackoverflow.com/questions/767551/how-to-stop-uninterruptible-process-on-linux To check its progress: http://enhancedlinux.com/2010/07/11/check-the-status-of-dd-command/ Emeric On Wed, Nov 28, 2012 at 10:08 AM, Jeremy Morales <[email protected]>wrote: > In order to edit the init.rc script you need to first dump the image, as > Jonathan Clavin already said to do. > Once you dump it, you will then be able to unpack it, edit the init.rc > script, and then be able to repack it. > > > > On Wed, Nov 28, 2012 at 4:47 AM, chainz < > [email protected]> wrote: > >> Hello Jonathan Clavin >> >> Some hardware problem in that tablet so its not booting. >> But i have another tablet. Here i've mentioned the details of this tablet >> >> dev: size erasesize name >> mtd0: 00800000 00200000 "bootloader" >> mtd1: 00800000 00400000 "logo" >> mtd2: 00800000 00400000 "aml_logo" >> mtd3: 00800000 00400000 "recovery" >> mtd4: 00800000 00400000 "boot" >> mtd5: 20000000 00400000 "system" >> mtd6: 08000000 00400000 "factory" >> mtd7: 08000000 00400000 "cache" >> mtd8: 69000000 00400000 "userdata" >> mtd9: 164000000 00400000 "NFTL_Part" >> >> Mainly i need to edit the init.rc so i tried to get boot image from >> tablet by *cat /dev/mtd/mtd4 > /sdcard/boot.img* >> * >> * >> While i trying to unpack the image by script (unmkbootimg/ >> unpack-bootimg.pl/ split_bootimg.pl) its stuck and showing the error as >> its invalid boot image. so i tried in all partitions but no use. >> >> Whats the way to edit my init.rc, kindly give me solution to edit my >> init.rc >> >> >> >> On Thursday, November 22, 2012 8:44:27 AM UTC+5:30, Jonathan Clavin wrote: >>> >>> You have to "dd if, of" the block and try splitting it with a boot.img >>> split tool. My guess would be either 3 or 4. >> >> -- >> unsubscribe: [email protected] >> website: http://groups.google.com/group/android-kernel > > > -- > unsubscribe: [email protected] > website: http://groups.google.com/group/android-kernel > -- unsubscribe: [email protected] website: http://groups.google.com/group/android-kernel
