[parisc-linux] Kernel 2.4 bug (fwd)
parisc at rkeene.org
Mon Apr 19 23:56:18 MDT 2004
When it crashes I get no messages :-)
There might be something on the serial console, but I've never been
attached to it when it happened.
On Mon, 19 Apr 2004, Randolph Chung wrote:
> > (double free() shouldn't cause the kernel to give page faults, running it
> > enough times eventually crashes the kernel)
> actually, the page fault message from the kernel is just informational.
> it tells you what is the processor state when you get a segfault. it's
> quite useful for some types of debugging.
> however, this should NOT cause your kernel to crash. When your kernel
> crashes, do you see a different type of register dump show up? does the
> machine hang? hpmc? print some errors? the important bit to look at is
> the IAOQ listed in the register dump. If the last 2 bits are set, then
> it's a userspace page fault (and should be safe). If you get one where
> the last 2 bits are 0 then it's a kernel-space fault, and we should try
> to figure out where that comes from.
> Randolph Chung
> Debian GNU/Linux Developer, hppa/ia64 ports
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