Fatal double fault

2009-12-07 Thread Steven Friedrich
Occasionally, I get a fatal double fault after halt -p.

Anyone know about this already?

I wrote down the info, it anyone wants it.

I searched using the search box on the home page, but none of the hits looked 
like this panic.

I will search the mailing list  archives now...
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fatal double fault (spinlock)

2007-09-04 Thread Duane Hill


We have a Dell PowerEdge 6850 with four 3ghz Intel dual core Xeon 
processors and 12 gig ram. It is running FreeBSD 5.5-RELEASE-p15 amd64. 
SMP has been compiled into the kernel. However, 
machdep.hyperthreading_allowed has been set to zero(0) in 
/etc/sysctrl.conf.


Once about every 1.5 to 2 weeks, the server throws the error:

  fatal double fault
  cpuid=15
  spinlock sched lock held by 0xff032f3c1500  5 seconds

This server is located in a colo many miles away. I had to have a person 
at the colo facility read off the message that was on the screen. I hope 
it is exact (or at least close).


This server is one of our main spam filter servers. It use to have an MTA 
installed on it that required FreeBSD 5.5. That software does not run on 
the server anymore.


I've been meaning to upgrade the server to 6.2 release, but have been 
procrastinating. Would upgrading the server to 6.2 release correct this 
issue?


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Re: fatal double fault (spinlock)

2007-09-04 Thread Kris Kennaway

Duane Hill wrote:


We have a Dell PowerEdge 6850 with four 3ghz Intel dual core Xeon 
processors and 12 gig ram. It is running FreeBSD 5.5-RELEASE-p15 amd64. 
SMP has been compiled into the kernel. However, 
machdep.hyperthreading_allowed has been set to zero(0) in 
/etc/sysctrl.conf.


Once about every 1.5 to 2 weeks, the server throws the error:

  fatal double fault
  cpuid=15
  spinlock sched lock held by 0xff032f3c1500  5 seconds

This server is located in a colo many miles away. I had to have a person 
at the colo facility read off the message that was on the screen. I hope 
it is exact (or at least close).


This server is one of our main spam filter servers. It use to have an 
MTA installed on it that required FreeBSD 5.5. That software does not 
run on the server anymore.


I've been meaning to upgrade the server to 6.2 release, but have been 
procrastinating. Would upgrading the server to 6.2 release correct this 
issue?


Chances are good: by running 5.5 you are missing out on several years of 
bug fixes.


Kris
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