question about oops and panic

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Hi,

1. I think oops and panic are both some way to deal with errors occurs
in kernel space. Is there any relationship between them?

2. I make a NULL pointer reference deliberately in a kernel module and
get an oops like:

... ... ...

Aug 29 00:58:45 lfs kernel: Call Trace:
Aug 29 00:58:45 lfs kernel:  [<c100112d>] ? do_one_initcall+0x44/0x120
Aug 29 00:58:45 lfs kernel:  [<c10517ce>] ? sys_init_module+0xa7/0x1d9
Aug 29 00:58:45 lfs kernel:  [<c138d49d>] ? syscall_call+0x7/0xb

... ... ...

I wonder what is the meaning of the tow numbers after a function name.

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