"registered panic notifier" question

[nimnull22]

This is a part of my "messages" log file.

Apr 25 19:53:32 localhost kernel: Synaptics Touchpad, model: 1, fw: 6.2, id: 0x25a0b1, caps: 0xa04713/0x200000
Apr 25 19:53:32 localhost kernel: input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input7
Apr 25 19:53:32 localhost kernel: fbcon: inteldrmfb (fb0) is primary device
Apr 25 19:53:32 localhost kernel: Console: switching to colour frame buffer device 128x48
Apr 25 19:53:32 localhost kernel: fb0: inteldrmfb frame buffer device
Apr 25 19:53:32 localhost kernel: registered panic notifier
Apr 25 19:53:32 localhost kernel: [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
Apr 25 19:53:32 localhost kernel: modprobe used greatest stack depth: 5092 bytes left
Apr 25 19:53:32 localhost kernel: dracut: Starting plymouth daemon

As you can see there is a "kernel: registered panic notifier".
What is it, this "registered panic notifier"?


Thanks.

P.S.
And second question. On Fedora 12 I used vga=0x318, to change resolution. Is it acceptable to use it now with KMS or there is other way. I would like to have 1024x768 from beginning.

Thanks

---------- Post added at 07:58 PM CDT ---------- Previous post was at 04:12 PM CDT ----------

Thanks. I found answer to the first question.

What about the second?
It looks like it is possible to add in GRUB vga=0x318, but later vesafb will be unloaded.