Date: Fri, 28 Oct 2005 18:13:11 -0400 From: John Baldwin <jhb@freebsd.org> To: Vladimir Kushnir <vkushnir@i.kiev.ua> Cc: freebsd-current@freebsd.org Subject: Re: CURRENT + amd64 + user-ppp = panic Message-ID: <200510281813.12123.jhb@freebsd.org> In-Reply-To: <20051029003547.E798@kushnir1.kiev.ua> References: <20051027022313.R675@kushnir1.kiev.ua> <200510281404.33462.jhb@freebsd.org> <20051029003547.E798@kushnir1.kiev.ua>
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On Friday 28 October 2005 05:59 pm, Vladimir Kushnir wrote:
> On Fri, 28 Oct 2005, John Baldwin wrote:
> > On Wednesday 26 October 2005 09:36 pm, Scott Long wrote:
> >> Vladimir Kushnir wrote:
> >>> I'm running now on the kernel from Oct 19 which also panicks, BTW, with
> >>> "kmem_map too small" on an attempt to run something like Linux
> >>> OpenOffice or Mathematica (neither kern.ipc.nmbclusters nor
> >>> vm.kmem_size_max tweaking helps; besides, I've only 512 MB RAM)
>
> <snip>
>
> > This looks like a page fault rather than a 'kmem_map too small' panic.
>
> Sorry I was unclear. It IS a page fault. Panic with a 'kmem_map too small'
> is with my old (otherwise working) kernel.
>
> <snip>
>
> > This is here:
> > while (c) {
> > depth++;
> > ==> if (c->c_time != curticks) {
> > c = TAILQ_NEXT(c, c_links.tqe);
> >
> > c can't be NULL due to the while loop. Are any kernel modules being
> > unloaded when this happens?
>
> No. /usr/sbin/ppp was trying to connect to my provider was all.
How? Using pppoe does try to kldload ng_pppoe.ko and its dependencies for
example, and ppp might also try to kldload if_tun.ko as well if it's needed.
Also, is this reproducible?
--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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