Can you try mtd3 partition?
On Thu, Nov 29, 2012 at 4:42 AM, NEO <smt19871...@gmail.com> wrote: > Hi > Maybe OEM encrypt their images.So you can not extract the ramdisk from the > boot.img > > > 2012/11/29 chainz <sangilikumar.muniya...@marudham.co.in> > >> Hi >> >> The command working fine with little moderation >> >> *# busybox dd bs=4k if=/dev/mtd/mtd4 of=/sdcard/boot.img conv=sync* >> * >> * >> but the boot.img still showing the error as its a not boot image, >> where the problem happened >> Is there any other procedure to edit init.rc* * >> >> >> On Thursday, November 29, 2012 11:15:12 AM UTC+5:30, chainz wrote: >>> >>> Hello >>> Thanks for your reply. >>> I tried your idea, but its showing error as " *conv option disabled >>> " *how to enable the conv option or is there any other way.? >>> >>> On Thursday, November 29, 2012 9:56:47 AM UTC+5:30, m-ric wrote: >>>> >>>> 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<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<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/<http://enhancedlinux.com/2010/07/11/check-the-status-of-dd-command/> >>>> >>>> Emeric >>>> >>>> >>>> On Wed, Nov 28, 2012 at 10:08 AM, Jeremy Morales <ajaxx...@gmail.com>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 <sangilikuma...@marudham.co.in >>>>> **> 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: android-kerne...@googlegroups.**com >>>>>> website: >>>>>> http://groups.google.com/**group/android-kernel<http://groups.google.com/group/android-kernel> >>>>> >>>>> >>>>> -- >>>>> unsubscribe: android-kerne...@googlegroups.**com >>>>> website: >>>>> http://groups.google.com/**group/android-kernel<http://groups.google.com/group/android-kernel> >>>>> >>>> >>>> -- >> unsubscribe: android-kernel+unsubscr...@googlegroups.com >> website: http://groups.google.com/group/android-kernel >> > > > > -- > Best regards ! > Mingting Sun > > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-kernel > -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
