Hi, all
I am porting android to loongson2f, the android file system(froyo)
and android linux kernel(2.6.35) was compiled succeed, then I put them
to two separate partition of u-disk which was partitioned to ext3,
then I start the loongson machine and step into the pmon environment
and I typed:
load /dev/fs/ext2@usb0/vmlinux.32
g console=tty root=/dev/sda2 rw init=/init rootwait
androidboot.console=ttyS0
after which, the penguin logo appeared, and the following info was
printed:
......
......
......
EXT3-fs (sda2): using internal journal
EXT3-fs (sda2): recovery complete
EXT3-fs (sda2): mounted filesystem with writeback data mode
VFS: Mounted root (ext3 filesystem) on device 8:2.
Freeing unused kernel memory: 240k freed
Kernel panic - not syncing: Attempted to kill init!
By insight into the linux kernel source code, I found that it was the
time the kernel mount the filesystem that the kernel panic, but I
don't know the exact place the kernel panic.
So, in order to find exact point the kernel panic, I want to debug the
kernel, I found that a tool called kgdb can debug linux source in
source code, but there is not tool corresponding to 2.6.35 or higher
linux kernel exist in the official size, so I want to know how did you
debug the loongson linux kernel?
any suggestion or tips well be greatly appreciated!!!
andy
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