Dilshod wrote:
Hello everyone,
The reason I'm posting this question is because I am not entirely sure
how to approach this issue.
That's funny, that's the exact same reason most people ask questions ;)
A little of my background: I am NOT completely newbie to the FreeBSD
system. I've used FreeBSD for some time, for about a year. Recently, I
upgraded my system to FreeBSD 5.0 by clean installation. Right now
everything is up to date. One reason, I want to have FreeBSD 5.0, is
because I wanted to test it , and by that do my contribution to the
FreeBSD community.
Fantastic.
However, I encountered one problem, I don't know what to do when my
system completely freezes. I know at what moments but I don't know at
what level it's, i.e.. kernel level , device, X-server, window manager,
application. The only way out when my computer freezes by pressing reset
button. This also happens to friend's computer, the hardware
architecture is different, but same OS. My background is computer
science. I know C, and some assembly.
How to capture a problem , and debug it ?
The easiest way I know, is sometimes you can still ssh/telnet in to the box,
and then use gdb or other debuggin tools as you normally would. Unless, of
course, if the whole box is locked up solid.
If that's not an option, you'll need to do serial debugging. I'm not going
to pretend that I know much about that, but I do know where to point you
for reading on it:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/index.html
Section 17 is on kernel debugging, and goes through setting up a remote gdb
debugger.
--
Bill Moran
Potential Technologies
http://www.potentialtech.com
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