From owner-freebsd-alpha  Tue Jun  8 11:19: 0 1999
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To: "Kenneth D. Merry" <ken@plutotech.com>
Cc: dima@tejblum.dnttm.rssi.ru (Dmitrij Tejblum), alpha@FreeBSD.ORG
Subject: Re: kern.bootfile... 
In-reply-to: Your message of "Mon, 07 Jun 1999 17:40:50 MDT."
             <199906072340.RAA25599@panzer.plutotech.com> 
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Date: Tue, 08 Jun 1999 22:17:49 +0400
From: Dmitrij Tejblum <tejblum@arc.hq.cti.ru>
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> Dmitrij Tejblum wrote...
> > "Kenneth D. Merry" wrote:
> > > 
> > > When booting from an alternate kernel this afternoon, I noticed that the
> > > kern.bootfile sysctl variable isn't getting set properly.
> > > 
> > > I had to manually do the following:
> > > 
> > > sysctl -w kern.bootfile=/kernel.test
> > > 
> > > Before netstat would work.
> > > 
> > > This is with -current from Saturday on a 433au.  I booted the other kernel
> > > by typing this at the loader prompt:
> > > 
> > > boot kernel.test
> > 
> > Ugh, I thought I fixed it in May 11 (in rev.1.41 of machdep.c). One of 
> > us apparently do something wrong. What was the value of kern.bootfile 
> > before you set it manually?
> 
> It was "/kernel".  I can reproduce it if you'd like me to..

Hmm, I checked it again, and it still works. I don't understand why it doesn't
work for you. Anyway, you may try following patch and see if it works (not
tested, it won't go to that branch here anyway).

Dima

Index: machdep.c
===================================================================
RCS file: /home/ncvs/src/sys/alpha/alpha/machdep.c,v
retrieving revision 1.44
diff -u -r1.44 machdep.c
--- machdep.c	1999/06/08 16:42:14	1.44
+++ machdep.c	1999/06/08 18:12:02
@@ -792,6 +792,9 @@
 	p = getenv("kernelname");
 	if (p)
 		strncpy(kernelname, p, sizeof(kernelname) - 1);
+	else
+		strncpy(kernelname + 1, bootinfo.booted_kernel,
+		    sizeof(bootinfo.booted_kernel));
 
 	kernstartpfn = atop(ALPHA_K0SEG_TO_PHYS(kernstart));
 	kernendpfn = atop(ALPHA_K0SEG_TO_PHYS(kernend));




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