Re: Getting A Kernel Dump - SOLVED!

2006-04-21 Thread Drew Tomlinson

On 4/19/2006 7:22 PM Kevin Kinsey said the following:


Drew Tomlinson wrote:


I have a 6.0 system running on a P3 550 that
is rebooting every now and then due to a
trap 12 error.  I've followed the steps at 
http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html 

for getting a crash dump but I'm not getting dumps. Here's the 
relevant line from rc.conf:


dumpdev=/dev/da1s1b

And it seems to be OK as dumpon has no problem
when I set this manually:

blacksheep# dumpon -v /dev/da1s1b
kernel dumps on /dev/da1s1b

My swap partition is 750 MB and the total system
memory is 384 MB.  Any ideas on what I might be doing wrong?

Thanks,

Drew




Unfortunately, no.  Read this today, though:

http://www.onlamp.com/pub/a/bsd/2002/03/21/Big_Scary_Daemons.html
http://www.onlamp.com/pub/a/bsd/2002/04/04/Big_Scary_Daemons.html

Since I've not read the handbook section you mention, I can't
say if it's duplicate info or not.  But this was pretty good stuff,
as Michael's stuff always seems to be 



Thanks for your reply.  In going over everything again, I finally 
figured out I had made a dumb mistake.  I have a small root partition 
(500 MB) and normally symlink /var to /var/usr.  However in this case, I 
hadn't made that symlink after restoring from a disk crash about a month 
ago.  So there was not enough room in /var/crash to create the dump.  
'savecore' was keeping me from shooting myself in the foot.  :)


Thanks,

Drew

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Re: Getting A Kernel Dump

2006-04-19 Thread Kevin Kinsey

Drew Tomlinson wrote:


I have a 6.0 system running on a P3 550 that
is rebooting every now and then due to a
trap 12 error.  I've followed the steps at 
http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html 

for getting a crash dump but I'm not getting dumps. 
Here's the relevant line from rc.conf:


dumpdev=/dev/da1s1b

And it seems to be OK as dumpon has no problem
when I set this manually:

blacksheep# dumpon -v /dev/da1s1b
kernel dumps on /dev/da1s1b

My swap partition is 750 MB and the total system
memory is 384 MB.  Any ideas on what I might be doing wrong?

Thanks,

Drew



Unfortunately, no.  Read this today, though:

http://www.onlamp.com/pub/a/bsd/2002/03/21/Big_Scary_Daemons.html
http://www.onlamp.com/pub/a/bsd/2002/04/04/Big_Scary_Daemons.html

Since I've not read the handbook section you mention, I can't
say if it's duplicate info or not.  But this was pretty good stuff,
as Michael's stuff always seems to be

KDK





--
Blessed are they who Go Around in Circles,
for they Shall be Known as Wheels.


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