From: Sam Vilain (sam_at_vilain.net)
Date: Thu 16 Oct 2003 - 12:52:48 BST
On Wed, 15 Oct 2003 19:20, Herbert Poetzl wrote;
> I'm really interested in finding the problem,
> a possible way could be enabling magic sysreq,
> and producing a task dump ALT-SysReq-T
On sparc the hardware supports crash dumps - press Stop-A (or send a
RS-232C `break' signal if you've got a serial console attached), and
then type "sync" at the PROM.
At least, that's how you do it when it's running Solaris :-), I'm not
sure what is required in terms of how far the OS needs to have gotten
before that works - as normally the image is written into swap space.
Or how you extract it from swap or decode it into a stack trace
... perhaps lkcd on Sparc uses this mechanism.
hmm on second thoughts maybe Magic SysReq would be simpler :-)
-- Sam Vilain, sam_at_vilain.netIf it doesn't have recursive function calls, real software engineers don't program in it.
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