Hi Innes,
i also built my own 3.4.11 kernel now (took 6+ hours... ;)), with the
following changes:
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_MTD_NAND_ORION is not set
This leads to the following:
- Dreamplug machine id (0xdde) set: Lockup after the "Uncompressing..."
message.
- Guruplug machine id (0xa63) set: System boots (because of MTD
disabled)
I also checked the sources from the u-boot version that i use and the
bugfix for the CONFIG_ARM_PATCH_PHYS_VIRT problem is included in this
version. I made sure that the system really hangs (and not that there is
just no output over the serial line) by changing the bootargs variable
with:
setenv bootargs console=ttyS0,115200 kbd=uk nic=auto:eth0:dhcp
root=/dev/ram rw
and then booting the kernel. The system boots up and gets an address if
i use the Guruplug machine id, but it doesn't get an address using the
Dreamplug machine id. So, still no idea what's causing the lockup. Seems
like using the Guruplug machid and compiling a custom kernel is still
the only way to get the Dreamplug booting...
Cheers,
Michael
Thanks Michael, you've confirmed a lot of what I've been discovering!
I have now built my own 3.4.11 with MTD disabled as a workaround (I
also
had to disable PHYS_VIRT in my case as I have not upgraded U-Boot
yet)
and that does indeed boot into the 14.0 installer successfully.
When I switch to using the Dreamplug board number / FDT config I also
see the same lockup right after the "Uncompressing...done" message -
it's interesting that upgrading U-Boot did not fix that for you (but
have you checked CONFIG_SERIAL_OF_PLATFORM as per [1], I believe the
Slackware install kernel has that set to N). Let me know if you find
anything interesting in the U-Boot sources - I have now procured what
appears to be the original U-Boot image from another source (thanks
Jim!) so I feel a little more secure about blowing my current U-Boot
image away with a new one!
Cheers, Innes.
[1]
http://lists.infradead.org/pipermail/linux-arm-kernel/2012-June/102533.html
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