Kexec From Debian To Sharprom, Really Working How-to!, you have to compile a kernel - easy Options

[matthis]

Hello, I was frustrated about not being able to kexec successfully into sharprom, but frustration is over!!
Following Pelrun's hint that the NAND partition layout had to be hardcoded, I recompiled eviljazz's kernel passing the necessary argument to the kernel, and now using this kernel for kexec the dreaded: "unable to open initial console" is GONE!!"

How-to


1. On your Z
Boot into the sharprom using your usual kernel, check the file /var/log/dmesg and find the line which contains this:
mtdparts=sharpsl-nand:7168k@0k(smf),44032k@7168k(root),-(home) jffs2_orphaned_inodes=delete EQUIPMENT=5 LOGOLAND=1 DEFYEAR=2008 LOGO=1 LAUNCH=q
(Your values for sharpsl-nand may vary, and this is why you need to build your own kernel)

2. On your linux Desktop:
- download eviljazz's toolchain http://katastrophos.net/zaurus/kernels/com...1.09.05.tar.bz2
- download eviljazz's kernel tarball http://katastrophos.net/zaurus/kernels/cur....20-v55.tar.bz2

- Follow the instructions in the kernel tarball's README, but after executing "make oldconfig", do "make menuconfig".
In there, go to General Setup, and scroll down until you find the place to edit kernel arguments. By default, they should be: "console=ttyS0 root=/dev/mtdblock2"
Select that, and add the line you have noted on your Z earlier, so that the boot param becomes:
console=ttyS0 root=/dev/mtdblock2 mtdparts=sharpsl-nand:7168k@0k(smf),44032k@7168k(root),-(home) jffs2_orphaned_inodes=delete EQUIPMENT=5 LOGOLAND=1 DEFYEAR=2008 LOGO=1 LAUNCH=q
(Again, with your values for sharpsl-nand)

Go on with "make dep" and "make zImage", the resulting zImage will work for kexecing to sharprom!

[gojira]

Hello, I was frustrated about not being able to kexec successfully into sharprom, but frustration is over!!
Following Pelrun's hint that the NAND partition layout had to be hardcoded, I recompiled eviljazz's kernel passing the necessary argument to the kernel, and now using this kernel for kexec the dreaded: "unable to open initial console" is GONE!!"

couldn't this be done just by passing the options with 'kexec --append=' ?

PS: If you have exactly the same values for sharpsl-nand, then you may want to try the kernel image I have built., to save compiling time
http://web.mita.keio.ac.jp/~mh070504/sharp-zImage.bin
I am using SL-C3200 and I doubt the values are the same for other models, so be careful. Other SL-C3200 may also be different, depending on whether they use sharp/cacko/trisoft-sharp roms, etc... so check sharpsl-nand values!

and if not, is that kernel still available somewhere?