Gleb Smirnoff wrote:
On Tue, Jun 28, 2005 at 11:24:47AM -0400, Gary Mu1der wrote:
G> I spent the day yesterday trying to reproduce the crash that I posted
G> last week and you kindly replied to. This is due to the fact that I
G> stupidly managed to overwrite the kernel.debug that I used to generate
G> the stack trace. Sadly I could not cause the system to crash again with
G> the same sb* errors.
G>
G> I did however remove both the Berkley Packet Filter and IPFilter from my
G> custom kernel to try and isolate the problem. This has caused the crash
G> to occur in a different and more reproducible form. I have both
G> INVARIANTS and WITNESS enabled, as you can see from my kernel conf.
G> which is included at the end of this e-mail.
G>
G> Below are the latest stack traces (using bge and then fxp NICs), kernel
G> conf. and dmesg. Any help would be appreciated. This time I have a copy
G> of both the core files and corresponding kernel.debug so I can hopefully
G> provide you with any info you need.
How often does it crash? Does debug.mpsafenet=0 increases stability?
I can reproduce the crash within 60 seconds of firing off 30+ ping/arp
-d scripts, all running in parallel.
debug.mpsafenet=0 seems to have solved the problem. I'm running 100+
instances of the above script and the system has been stable for over an
hour.
As I wanted some background on what "debug.mpsafenet=0" does, I did some
Googling and found a good write up here:
http://unix.derkeiler.com/Mailing-Lists/FreeBSD/current/2004-08/2280.html
Thanks,
Gary
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