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Date:      Tue, 12 Feb 2019 13:53:38 -0500
From:      Mark Johnston <markj@freebsd.org>
To:        Eugene Grosbein <eugen@grosbein.net>
Cc:        FreeBSD stable <freebsd-stable@freebsd.org>
Subject:   Re: 11.2-STABLE kernel wired memory leak
Message-ID:  <20190212185337.GD29847@raichu>
In-Reply-To: <a107e663-9ac1-0169-0709-7028733118a3@grosbein.net>
References:  <d8c7abc0-3ba1-40e4-22b1-1b30d28ced14@grosbein.net> <20190212163446.GA29847@raichu> <4ab1331f-80e3-b856-b402-9985e73618bc@grosbein.net> <20190212181805.GB29847@raichu> <973d9dc6-8dd4-8cdf-b279-f5c9483da884@grosbein.net> <20190212184256.GC29847@raichu> <a107e663-9ac1-0169-0709-7028733118a3@grosbein.net>

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On Wed, Feb 13, 2019 at 01:48:21AM +0700, Eugene Grosbein wrote:
> 13.02.2019 1:42, Mark Johnston wrote:
> 
> >> Yes, I have debugger compiled into running kernel and have console access.
> >> What commands should I use?
> > 
> > I meant kgdb(1).  If you can run that, try:
> > 
> > (kgdb) p time_uptime
> > (kgdb) p lowmem_uptime
> > 
> > If you are willing to drop the system into DDB, do so and run
> > 
> > db> x time_uptime
> > db> x lowmem_uptime
> 
> I will reach the console next day only. Is it wise to use kgdb over ssh for running remote system? :-)

It should be fine.  kgdb opens /dev/(k)mem read-only.



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