Kernel Panic Cluedo
Kernel Panic Cluedo
- Subject: Kernel Panic Cluedo
- From: Stephane <email@hidden>
- Date: Wed, 22 Nov 2006 11:54:46 +0100
When you do some bad things in your Kernel Extension (such as writing
where you should not, reading a bit too far in buffers, etc...),
should a Kernel Panic occur in your Kernel Extension or can it occur
later?
Since yesterday, I'm "enjoying" random Kernel Panics. I know that I
changed something in my work-in-progress kernel extensions but every
panic.log I look at is pointing to KP in:
com.apple.ATIRadeon9700 (Data access DAR=0x0000000000000000
PC=0x00000000002FB7C8)
or
com.apple.driver.AppleFWOHCI (Data access DAR=0x0000000000000000
PC=0x000000000070D4C0)
I know that GPU drivers are not 100% perfect (for instance there are
still bugs in the current NVidia drivers) and that since yesterday I
have an external Firewire drive (actually a Mac running in Firewire
Target mode) plugged to my machine. I tested my code in user land for
different scenarios and I didn't experience any crash.
So 2 questions:
- are there known issues with these (both PCI) com.apple. drivers
(Mac OS X 10.4.8)?
- can you kernel panic outside your own kernel extension if you're
doing bad things with memory (till now I've always KPed in my code)?
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