[GTA-04] multiboot with QtMoko/SHR
martin.jansa at gmail.com
Wed Nov 14 09:13:09 CET 2012
On Tue, Nov 13, 2012 at 08:47:09PM +0100, Lukas Märdian wrote:
> the SHR install guide already conforms with the new uboot setup metioned
> by Nikolaus.
> You can just partition you SD card with up to 4 ext partitions and put
> SHR on any of them. BUT your kernel needs to take the 'rootfs' bootarg
> from the bootloader for this to work. There are some kernels wich have
> 'rootfs=/dev/mmcblk0p2' hardcoded, e.g. old SHR kernels (fixed since 29
> Oct. ), NeilBrown's kernel (gta04_defconfig), ...
Small typo, 'root' bootarg, not rootfs.
> I hope this helps,
> Am 13.11.2012 18:09, schrieb A.dre:
> > Thanks for your quick response. I will try an entirely different
> > partitioning scheme (omitting the FAT32 on p1).
> > Still puzzled as why my SHR on p4 never booted.
> > As for 'unofficial beagle board pages', I was redirected there by :
> > "The SD card needs to have a special format as described here."
> > (Probably I misinterpreted something here(?).)
> > Thanks again, André.
> >  http://projects.goldelico.com/p/gta04-rootfs/
> > On 11/13/2012 05:53 PM, Dr. H. Nikolaus Schaller wrote:
> >> Hi,
> >> with the new boot system  you can just format the heads/cylinders
> >> as you like
> >> and ignore  as long as your x-loader in NAND is intact. And even
> >> then, I
> >> suggest to follow the GTA04 documentation and not some inofficial beagle
> >> board pages.
> >> The new boot system scans for the first kernel it finds in any of the
> >> 4 ext2/3/4 partitions.
> >> Therefore the first partition not even needs to be FAT and you can
> >> have 4 ext partitions.
> >> Unfortunately I did not yet find the time to write a full documentation.
> >> Nikolaus
> >>  http://download.goldelico.com/gta04/20121030-GTA04-Production/
> >> Am 13.11.2012 um 17:43 schrieb A.dre:
> >>> Is it possible to prepare a SD-card for GTA-04 with multiple OS'es
> >>> installed? (QtMoko and SHR in my case.)
> >>> I tried and did not succeed. I followed (in chronological order)
> >>> (sd-card), (QtMoko) and (SHR) with result 
> >>> Different from  is that partition 4 is formatted as ext3 (instead
> >>> of SWAP). This is the partition where I put SHR.
> >>> As I understand from  SHR does not mandate specific partitions to
> >>> be installed on.
> >>> I tried QtMoko on partition 2 and SHR on p4. I never got SHR to boot.
> >>> (QtMoko did boot.)
> >>> I tried SHR on partition 2 and another SHR on p4. I never got SHR to
> >>> boot from p4.
> >>> (SHR from p2 booted although I selected p4 during boot!)
> >>> Any ideas?
> >>> Should the partition with /boot reside below 2GB?
> >>> Is it mandatory to put QtMoko/rootfs on partition 2?
> >>> Thanks in advance for any suggestions,
> >>> André
> >>> (As I'm writing this email I see the number heads is 246 instead of
> >>> the 255 as in mentioned in . I will give it another try.)
> >>>  http://code.google.com/p/beagleboard/wiki/LinuxBootDiskFormat
> >>>  http://sourceforge.net/projects/qtmoko/files/GTA04/
> >>>  http://shr-project.org/trac/wiki/Devices/GTA04/InstallGuide
> >>> $ sudo fdisk -l /dev/sdb
> >>> Disk /dev/sdb: 7969 MB, 7969177600 bytes
> >>> 246 heads, 62 sectors/track, 1020 cylinders, total 15564800 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: 0x00000000
> >>> Device Boot Start End Blocks Id System
> >>> /dev/sdb1 * 63 144584 72261 c W95 FAT32 (LBA)
> >>> /dev/sdb2 144585 5284655 2570035+ 83 Linux
> >>> /dev/sdb3 5284656 10424726 2570035+ c W95 FAT32 (LBA)
> >>> /dev/sdb4 10424727 15564797 2570035+ 83 Linux
> >>> $
> >>> _______________________________________________
> >>> Openmoko community mailing list
> >>> community at lists.openmoko.org
> >>> http://lists.openmoko.org/mailman/listinfo/community
> > _______________________________________________
> > Openmoko community mailing list
> > community at lists.openmoko.org
> > http://lists.openmoko.org/mailman/listinfo/community
> Openmoko community mailing list
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Martin 'JaMa' Jansa jabber: Martin.Jansa at gmail.com
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