Thanks for your suggestions.
> Is it possible to have UML kernel [ guest kernel ]
> of higher version than the host kernel.
> Yes, definitely...
Will I be able to debug LKM of version 2.4 and 2.6 as
my guest kernel is 2.6.
I have got the executable linux and when I try to
launch it via following command
$linux
The following error comes. It seems that UML is not
able to find the filesystem where it needs to be
loaded
VFS: Cannot open root device "98:0" or
unknown-block(98,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root
fs on unknown-block(98,0)
EIP: 0023:[<a01525c1>] CPU: 0 Not tainted ESP:
002b:a02d8698 EFLAGS: 00200202
Not tainted
EAX: 00000000 EBX: 00000001 ECX: a02d873c EDX:
a02d86bc
ESI: 00000008 EDI: 00000001 EBP: a02d86a4 DS: 002b ES:
002b
If I try to launch linux in debug version, by using
linux debug command, the new xterm gets launched but
UML doesnot launch gdb in this new xterm.
The new xterm shows :
Can't execvp port-helper: No such file or directory
For debugging kernel modules, I am following steps
mentioned in an article "Debugging Kernel Modules with
User Mode Linux" By David Frascone on internet.
Thanks & Regards
Dinesh
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