booting soas71xo.4gremovable.img.tar.lzma

[Martin Dengler]

Hi Dan,


Hope you don't mind me forwarding this to the fedora-olpc list,
because I think other people may be having the same problem.

I'll have a look at submitting a patch upstream or working around the
problem.

Martin

On Sun, Oct 04, 2009 at 05:40:28PM -0700, Dan Krejsa wrote:
> Hmm,
> 
> Maybe since in the initrd image sh is a symlink to dash (not bash), the problem
> is a difference between dash and bash.
> 
> http://gondor.apana.org.au/~herbert/dash/
> 
> Perhaps 10olpc-boot-premount.sh should avoid bashisms like [[ ?
> 
> - Dan
> 
> On Sun, Oct 4, 2009 at 5:08 PM, Dan Krejsa <dan.krejsa at gmail.com> wrote:
> > Hi Martin,
> >
> > I'm trying to boot my g1g1 XO using a USB flash drive created
> > according to the instructions at
> >
> >  http://people.sugarlabs.org/~mtd/soas/README.txt
> >
> > using the soas71xo.4gremovable.img.tar.lzma filesystem.
> >
> > The boot is failing to mount the root fs, with messages ending with
> > stuff like the following (copied manually & skipping the timestamps):
> >
> > VFS: Cannot open root device "LABEL=OLPCRoot" or unknown-block(0,0)
> > Please append a correct "root=" boot option; here are the available partitions:
> > 1f00                1048576 mtdblock0 driver: CAF|-e NAND
> > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
> >
> > I tried adding a 'root=/dev/sda1' argument to the boot line in the openboot
> > and setting the 'ramdisk' environment variable to
> >
> >   u:\boot\initrd-2.6.30_xo1-20090808.1740.1.olpc.a817f86.img
> >
> > before booting.  That got somewhat further, but still failed as discussed
> > below.
> >
> > I found that if I added a symlink /boot/initrd.img to the file
> > initrd-2.6.30_xo1-20090808.1740.1.olpc.a817f86.img in the same
> > directory, I didn't need to intervene at the openboot forth prompt.
> > The ramdisk was then loaded and /dev/sda was mounted automatically.
> >
> > However, there were still errors during boot.  First, there were some messages
> >
> > FATAL: Module scsi_wait_scan not found.
> >
> > that repeated several times before the root file system was apparently
> > successfully
> > mounted.
> >
> > Immediately after the 'Hello, (children of the) world!'
> >
> > message, there were the following errors:
> >
> > [: 48: 1: unexpected operator
> > /pre-mount/10olpc-boot-premount.sh: 71: -z: not found
> > [: 72: 0: unexpected operator
> > [: 85: unexpected operator
> > dracut: Mounted root filesystem /dev/sda1
> > dracut: Warning: Machine in enforcing mode and cannot execute load_policy.
> > dracut: Warning: To disable selinux, add selinux=0 to the kernel command line
> > dracut Warning: Not continuing
> >
> > I figure I could add 'selinux=0' to the command line set up in
> > /boot/olpc.fth (?)
> > but I'm not sure about the earlier things that look like script errors earlier.
> > I gather that /pre-mount/10olpc-boot-premount.sh is in the initrd image.
> > I'm not an expert bash scripter and am not sure what's going on there.
> > Any ideas?
> >
> > - Dan
> >
> 
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