Hello,
I've got a rather odd issue, but not unique from what I've seen on other threads
(whose solutions unfortunately did not work). I have had a machine running in a
datacenter for 7 months if not more without problems, and 1.5 years prior to that
without problems as well. The other night, suddenly the machine rebooted and came
back up with a panic. This happened immediately after rc.firewall was run it
appeared. I spent about 4 hours in the datacenter trying to diagnose the issue and
had no luck so brought the machine home with me that night. I've been working on it
for about a week now trying various methods of troubleshooting and haven't had any
luck. I also tried to get a backtrace but that's not turning out so well either. It
seems even with a debugging kernel and the correct options set in rc.conf for dumpdev
and savecore it will produce no usable output, if any. /var/crash is empty aside from
'minfree'. With all of that said, as it may be obvious already this message is going
to be a bit lengthy as I am going to try to provide as much detail as possible
considering the lack of a backtrace. I have tried several hardware configurations,
including brand new hardware. Two different CPUs (AMD thunderbird 700 and 750mhz), 7
different memory modules all tested via memtest with 12 iterations at least with no
errors, 4 different network cards: 3com 3905b/c, dlink (rtl8129), and a netgear. I
have used an abit kt7-raid, asus a7a 266, and another abit board. I have used 4
different hard disks, 2 western digitals, both brand new, and 2 maxtors, fairly new.
I have also swapped out power supplies, cables, network equipment (switch, direct via
crossover), etc. That's an idea of what I've done thus far with hardware, and to sum
that up we can think of the hardware collectively as three different machines. As far
as installation media goes, I've tried via FTP and cdrom. The systems I've used, are
4.5-RELEASE, 4.5-RELEASE-p20, 4.6.2-p2. I've reinstalled several times attempting to
spot an error in installation or my methods. I've changed my rules for IPFW to very
primitive ones to test, and had no luck. The minute after loading them, and then
attempting to communicate with any type of network service, the machine panics. I have
a video which is approximately 2 megs in size, and a photo of the error and it
occuring. The video is at http://dipole.informationwave.net/~abe/crash.mpg, and the
photo is http://dipole.informationwave.net/~abe/fbsd.jpg. If anyone has any ideas as
to what could be causing this, or a solution, that'd be great. Also any other
information that would assist in solving this issue that I haven't already provided
will be given if requested. Any feedback would be greatly appreciated.
Regards,
Abe
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