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Date:      Fri, 9 Aug 2013 00:39:40 +0300
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Roman Bogorodskiy <novel@FreeBSD.org>
Cc:        freebsd-ppc@freebsd.org
Subject:   Re: Installation problem on G4
Message-ID:  <20130808213940.GN4972@kib.kiev.ua>
In-Reply-To: <20130808113629.GA58058@ritual.srt.mirantis.net>
References:  <20130807115201.GB86757@ritual.srt.mirantis.net> <20130807154357.GH4972@kib.kiev.ua> <20130808113629.GA58058@ritual.srt.mirantis.net>

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On Thu, Aug 08, 2013 at 03:36:30PM +0400, Roman Bogorodskiy wrote:
>   Konstantin Belousov wrote:
>=20
> > On Wed, Aug 07, 2013 at 03:52:02PM +0400, Roman Bogorodskiy wrote:
> > > Hi,
> > >=20
> > > I've downloaded 9.2-RC1 iso to install it on G4.
> > >=20
> > > However, installer doesn't start and the following error is reported:
> > >=20
> > > vm_thread_new: kstack allocation failed
> > >=20
> > > it brings me into single user shell, but every command there also
> > > results in the same messge:
> > >=20
> > > vm_thread_new: kstack allocation failed
> > > Cannot fork: Cannot allocate memory
> > >=20
> > > What could be wrong with that?
> >=20
> > How much memory do you have ?
> >=20
> > Show me the output of sysctl
> > vfs.unmapped_buf_allowed
> > kern.bio_transient_maxcnt
> > kern.nbuf
>=20
> It reports 1009MB of real memory and 974 MB avail memory.
>=20
> Any tips how could I get the values of sysctl? Because 'sysctl' command
> fails just like all the other commands.

Enter debugger and do
x/d unmapped_buf_allowed
x/d bio_transient_maxcnt
x/d nbuf

Also you might try to boot with vfs.unmapped_buf_allowed=3D0
set at the loader prompt (but I need the values above from the untuned
boot).

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