Date: Thu, 16 Sep 2010 08:15:18 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Patrick Mahan <pmahan@adaranet.com> Subject: Re: odd issues with DDB vs GDB Message-ID: <201009160815.18679.jhb@freebsd.org> In-Reply-To: <4C915E4F.9030006@adaranet.com> References: <4C915E4F.9030006@adaranet.com>
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On Wednesday, September 15, 2010 8:01:19 pm Patrick Mahan wrote: > All, > > I am trying to debug a system hang occurring on my HP Proliant G6 running some of our > kernel software. I am seeing that under certain test loads, the system will hang-up > complete, no keyboard, no console, etc. I suspect it is some of the kernel code that > I have inherited that contains a lot of locking (lots of data structure, each having > their own mutex lock (sleepable)). You need to use 'kgdb' rather than 'gdb' on kernel.debug. -- John Baldwin
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