Date: Fri, 25 Apr 2003 19:43:23 +0300 From: Maxim Sobolev <sobomax@portaone.com> To: John Baldwin <jhb@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: Re: i386/loader compiled with NOFORTH Message-ID: <20030425164323.GA66424@vega.vega.com> In-Reply-To: <XFMail.20030425120735.jhb@FreeBSD.org> References: <20030425061745.GD32731@sunbay.com> <XFMail.20030425120735.jhb@FreeBSD.org>
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On Fri, Apr 25, 2003 at 12:07:35PM -0400, John Baldwin wrote: > > On 25-Apr-2003 Ruslan Ermilov wrote: > > On Thu, Apr 24, 2003 at 05:45:15PM -0400, John Baldwin wrote: > >> > >> On 24-Apr-2003 Ruslan Ermilov wrote: > >> > On Thu, Apr 24, 2003 at 02:21:17PM -0400, John Baldwin wrote: > >> >> > >> >> On 24-Apr-2003 Ruslan Ermilov wrote: > >> >> > On 5.x, loader(8) compiled with -DNOFORTH, results in > >> >> > a system without a console. This does not affect the > >> >> > RELENG_4. > >> >> > > >> >> > Can someone who knows this code please look into it? > >> >> > >> >> No kernel console or no loader console? The usual problem with > >> >> no kernel console on 5.x is lack of device.hints. > >> >> > >> > No kernel console. The device.hints, it's there under /boot; > >> > I only reinstalled loader(8) with -DNOFORTH, and this gave me > >> > "no console" behavior. Can you try it locally? > >> > >> Since device.hints is read in by Forth code, I wouldn't be > >> surprised if it didn't work. When you break into the 10 > >> second countdown, do you have any hints set in the loader > >> environment? > >> > > Yes, figured this out by myself already. I've ended up > > uncommenting the "hints" line in GENERIC config, everything > > is OK now, and bzip2(1) also works, modulo the memory > > restrictions -- only level 1 bzipping works that requires > > ~250K of memory. > > > > John, is there a way to fix btx/loader/whatever so that > > heap memory is not limited to 640K? > > Not really. At least, not easily. We load the kernel up above 1mb, > but we don't know how much memory lives up above 1mb and we assume > that there is enough for the kernel and that's it. Why we can't just test it - i.e. write some value into each page and try to read it back? This will give at least rough estimate. -Maxim
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