Kexec - Not working - Please help
HackCandy
hackhell.candy at gmail.com
Thu Jan 29 18:26:14 CET 2009
Hi Werner,
---------------------
kexec -l --command-line="`cat /proc/cmdline`" zImage
kexec -e
---------------------
The above commands work fine. That is, booting a different kernel
& the same Root File System (from where you execute kexec) works well.
But when I try to use the RFS from SD card and executing the
kexec command (I m running kexec from RFS present in NAND flash)
using the following: Kernel panics saying
Unable to mount rootfs on unknown block(179,1)
---------------------
root at om-gta02:~# kexec -l --command-line="rootfstype=jffs2
root=/dev/mmcblk0p1 c
onsole=ttySAC2,115200 console=tty0 loglevel=4 regular_boot
mtdparts=physmap-flas
h:-(nor);neo1973-nand:0x00040000(u-boot),0x00040000(u-boot_env),0x00800000(kerne
l),0x000a0000(splash),0x00040000(factory),0x0f6a0000(rootfs)" zImage
root at om-gta02:~# kexec -e ==== Kernel Panics
---------------------
Please help.
-HHC.
Werner Almesberger wrote:
>
> HackCandy wrote:
>> kexec -l zImage -append="root=/dev/mmcblk0p1" <==== Hangs here
>
> It hangs ? That's odd.
>
> This works for me:
>
> kexec -l --command-line="`cat /proc/cmdline`" zImage
> kexec -e
>
> - Werner
>
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