Sorry Ben, it works well now: 2048 x 512 = 1048576
# mount -t vfat -o loop,offset=1048576 binary.img /mnt # greetings Piotr on Jun 09, 2013, piotr <[email protected]> wrote: > >Hi Ben > >Can you help me pls, to find out a correct offset value of binary.img created >on wheezy? > >BTW I didn't have any problems with binary.img created on squeeze, using >always offset=512. > >greetings >Piotr > > >on Jun 07, 2013, Ben Armstrong <[email protected]> wrote: >> >>follow instructions. multiply start by sector size. >> >>On 07/06/13 08:26 AM, piotr wrote: >>> I get the following output: >>> >>> # /sbin/fdisk -ul binary.img >>> You must set cylinders. >>> You can do this from the extra functions menu. >>> >>> binary.img: 0 MB, 0 bytes >>> 4 heads, 32 sectors/track, 0 cylinders, total 0 sectors >>> Units = sectors of 1 * 512 = 512 bytes >>> Sector size (logical/physical): 512 bytes / 512 bytes >>> I/O size (minimum/optimal): 512 bytes / 512 bytes >>> Disk identifier: 0x000b0e9b >>> >>> Device Boot Start End Blocks Id System >>> DKB_A1.img1 * 2048 1114111 556032 83 Linux >>> Partition 1 has different physical/logical endings: >>> phys=(1023, 3, 32) logical=(8703, 3, 32) >>> >>> but still doesn't work: >>> >>> # mount -t vfat -o loop,offset=2048 binary.img /mnt >>> mount: wrong fs type, bad option, bad superblock on /dev/loop0, >>> missing codepage or helper program, or other error >>> In some cases useful info is found in syslog - try >>> dmesg | tail or so >>> >>> >>> >>> >>> >>> >>> on Jun 07, 2013, *Ben Armstrong* <[email protected]> wrote: >>> >>> On 06/06/13 07:31 PM, piotr wrote: >>> > I get this problem: >>> > >>> > # mount -t vfat -o loop,offset=512 binary.img /mnt >>> > mount: wrong fs type, bad option, bad superblock on /dev/loop0, >>> > missing codepage or helper program, or other error >>> > In some cases useful info is found in syslog - try >>> > dmesg | tail or so >>> >>> The offset isn't always 512: >>> >>> /sbin/fdisk -ul binary.img >>> >>> Pay attention to sector size. Multiply start by sector size to get the >>> offset. >>> >>> Ben >>> >>> >>> -- >>> To UNSUBSCRIBE, email to [email protected] >>> <mailto:[email protected]> >>> with a subject of "unsubscribe". Trouble? Contact >>> [email protected] <mailto:[email protected]> >>> Archive: http://lists.debian.org/[email protected] >>> >> >> >>-- >>To UNSUBSCRIBE, email to [email protected] >>with a subject of "unsubscribe". Trouble? Contact [email protected] >>Archive: http://lists.debian.org/[email protected] >> >> > > >-- >To UNSUBSCRIBE, email to [email protected] >with a subject of "unsubscribe". Trouble? Contact [email protected] >Archive: >http://lists.debian.org/2045945959.28752.1370739506025.JavaMail.mail@webmail01 > > -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/695943986.28845.1370740187932.JavaMail.mail@webmail01
