qtopia - kernel panic

syed yaqoob ali yaqoobali007 at gmail.com
Wed Aug 27 06:17:58 CEST 2008


Yorick Moko wrote:
> On Tue, Aug 26, 2008 at 2:56 PM, syed yaqoob ali <yaqoobali007 at gmail.com> wrote:
>   
>> arne anka wrote:
>>
>> " Warning : unable to  open an initial console    "
>> "  Kernel panic - not syncing : no init found .try passing init= option
>> to kernel"
>>
>>
>> what file systesm did you use on these partitions and how did you proceed
>> exactly when installing?
>>
>> _______________________________________________
>> support mailing list
>> support at lists.openmoko.org
>> https://lists.openmoko.org/mailman/listinfo/support
>>
>>
>> Hi,
>>
>>      I have used vfat for first partition and ext3 for the second partition.
>>
>>      This is the procedure i have followed for installing qtopia on sdcard.
>>
>>      My  Host PC has  FC 9.
>>
>>      1) connected to Neo freerunner by SSH
>>
>>      2) Partitioned SD card  :
>>          fdisk /dev/mmcblk0
>>
>>      created a 8 mb partition for  kernel and another one for the rootfs
>> which took up
>>      all the remaining space
>>
>>
>>   Command (m for help): d
>>   Selected partition 1
>>   Command (m for help): n
>>   Command action
>>      e   extended
>>      p   primary partition (1-4)
>>   p
>>   Partition number (1-4): 1
>>   First cylinder (1-983, default 1):
>>   Using default value 1
>>   Last cylinder or +size or +sizeM or +sizeK (1-983, default 983): +8M
>>   Command (m for help): n
>>   Command action
>>      e   extended
>>      p   primary partition (1-4)
>>   p
>>   Partition number (1-4): 2
>>   First cylinder (18-983, default 18):
>>   Using default value 18
>>   Last cylinder or +size or +sizeM or +sizeK (18-983, default 983):
>>   Using default value 983
>>   Command (m for help): w
>>   The partition table has been altered!
>>   Calling ioctl() to re-read partition table.
>>
>>   fdisk: WARNING: rereading partition table failed, kernel still uses old
>> table:   Device or resource busy
>>
>> 3)    Got an  fdisk warning so  umounted  :
>>
>>         umount /dev/mmcblk0p1
>>
>>        redone the step2 again.No error second time.
>>
>> 4)Formatted the SDcard :
>>
>>      for first partition.
>>
>>     a) mkfs.vfat /dev/mmcblk0p1
>>
>>      for second partition.
>>
>>     b)mkfs.ext3 /dev/mmcblk0p2
>>
>> 5)Mounted the sdcard:
>>
>>   mount /dev/mmcblk0p1 /media/card
>>   mkdir /media/card/boot
>>
>>   mkdir /media/mmcblk0p2
>>   mount /dev/mmcblk0p2 /media/mmcblk0p2
>>
>> 6)unpacked qtopia:
>>
>>    got this two files :
>>
>> uImage-2.6.24+git18+9c058ff0d2641df3c36fc3300acb72078d2c41d4-r0-om-gta02.bin
>> qtopia-4.3.2-gta02-rootfs-07172049.jffs2
>>
>>  7)Mounted the rootfs on loopback device:
>>
>>    export loop=$(losetup -f)
>>    losetup $loop <rootfs.jffs2>
>>    modprobe block2mtd block2mtd=$loop,131072
>>    modprobe jffs2
>>    modprobe mtdblock
>>    mkdir   mntpnt
>>    mount -t jffs2 -o ro /dev/mtdblock0   mntpnt
>>
>>
>> 8)created compressed tarball.
>>
>>      tar czf qtopia-4.3.2-gta02-rootfs-07172049.tar.gz -c mntpnt
>>
>> 9)Transfer this compressed tarball to the second partition of the MicroSD
>> that is mounted
>>     on the FreeRunner:
>>
>>    scp qtopia-4.3.2-gta02-rootfs-07172049.tar.gz
>> root at 192.168.0.202:/media/mmcblk0p2/
>>
>> 10)Unpack the rootfilesystem:
>>
>>       cd /media/mmcblk0p2
>>       tar xzf qtopia-4.3.2-gta02-rootfs-07172049.tar.gz rm
>>       qtopia-4.3.2-gta02-rootfs-07172049.tar.gz
>>       rm -f /media/mmcblk0p2/boot/*
>>
>> 11) Installed kernel.
>>
>> mv
>> uImage-2.6.24+git18+9c058ff0d2641df3c36fc3300acb72078d2c41d4-r0-om-gta02.bin
>>      uImage.bin
>> scp uImage.bin root at 192.168.0.202:/media/card/boot/
>>
>>  scp uImage.bin root at 192.168.0.202:/media/card/
>>
>> 12)shutdown and boot in qtopia.
>>
>>     Booted from Sdcard
>>
>> Now when kernel is booting .It's giving  kernel panic.
>>
>> Regards
>> Syed Yaqoob Ali
>>
>>
>>
>>
>> _______________________________________________
>> support mailing list
>> support at lists.openmoko.org
>> https://lists.openmoko.org/mailman/listinfo/support
>>
>>
>>     
>
> As far as I know: whan you want to boot fat + ext3 you need to edit u-boot entry
> fat + ext2 works straight out of the box (after updating u-boot)
>
> _______________________________________________
> support mailing list
> support at lists.openmoko.org
> https://lists.openmoko.org/mailman/listinfo/support
>   
 How do i  edit the u-boot entry for booting fat + ext3 ? Can someone 
pls provide the procedure.



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