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Date:      Tue, 18 Mar 1997 15:09:15 -0400 (AST)
From:      The Hermit Hacker <scrappy@hub.org>
To:        current@freebsd.org
Subject:   2.2 Kernel Unstable
Message-ID:  <Pine.BSF.3.95.970318145838.215P-100000@thelab.hub.org>

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Hi...

	Last week, I took a trip up to Toronto to perform some upgrades on
my server...in particular, upgrade the system to a more recent kernel then
what I was running.  I tried out the 3.0-CURRENT that I was running on my
home machine, which was quite stable (pre-lite2 merge) but that panic'd 
pretty much on reboot, so decided that that wouldn't be smart to run since
I'll be doing most of my admin remotely.

	I then grabbed the src tree from 2.2-GAMMA as a base, and CVSup'd
all the new stuff, and upgraded to that, since 2.2-RELEASE was "just around
the corner"...

	...well, 2.2-RELEASE, as everyone knows, has just been released, so
I've once more re-sync'd my source tree so that I have what is considered
the -RELEASE source tree online...

	Well, -RELEASE isn't stable, that's for sure.  Something like 3 
crash/reboots in the past 12 hours or so??  I've put in a bug report for
each of the last two, as there seemed to have been *some* information
available from the core, but this recent one doesn't seem to give *any*
information.  I someone can tell me what information would be useful to
grab out of the core files from this, I'd be more then happy to produce it,
as I'm holding onto the core files for as long as possible, and/or in relation
to the other two bug reports created...

hub# gdb -k kernel.Mar18 vmcore.12
GDB is free software and you are welcome to distribute copies of it
 under certain conditions; type "show copying" to see the conditions.
There is absolutely no warranty for GDB; type "show warranty" for details.
GDB 4.13 (i386-unknown-freebsd), 
Copyright 1994 Free Software Foundation, Inc...
IdlePTD 1b2000
current pcb at 1988e4
panic: page fault
#0  boot (howto=256) at ../../kern/kern_shutdown.c:243
243                                     dumppcb.pcb_cr3 = rcr3();
(kgdb) where
#0  boot (howto=256) at ../../kern/kern_shutdown.c:243
#1  0xf010cf32 in panic (fmt=0xf01773ff "page fault")
    at ../../kern/kern_shutdown.c:367
#2  0xf0177f66 in trap_fatal (frame=0xefbffe94) at ../../i386/i386/trap.c:742
#3  0xf0177a54 in trap_pfault (frame=0xefbffe94, usermode=0)
    at ../../i386/i386/trap.c:653
#4  0xf017772f in trap (frame={tf_es = 16, tf_ds = -272695280, tf_edi = 0, 
      tf_esi = -272630096, tf_ebp = -272629924, tf_isp = -272630084, 
      tf_ebx = 0, tf_edx = -65536, tf_ecx = -2147483648, tf_eax = 0, 
      tf_trapno = 12, tf_err = -272695296, tf_eip = -266974690, 
      tf_cs = -272695288, tf_eflags = 66054, tf_esp = -213745664, 
      tf_ss = 1441792}) at ../../i386/i386/trap.c:311
#5  0xf01700a1 in calltrap ()
#6  0xf01779e8 in trap_pfault (frame=0xefbfffbc, usermode=1)
    at ../../i386/i386/trap.c:633
#7  0xf01775d7 in trap (frame={tf_es = -272695257, tf_ds = -272695257, 
      tf_edi = 45, tf_esi = 165012, tf_ebp = -272640456, tf_isp = -272629788, 
      tf_ebx = -272640412, tf_edx = 106422, tf_ecx = 1019904, tf_eax = 100, 
      tf_trapno = 12, tf_err = 4, tf_eip = 103250, tf_cs = 31, 
      tf_eflags = 66050, tf_esp = -272640472, tf_ss = 39})
    at ../../i386/i386/trap.c:239
#8  0xf01700a1 in calltrap ()
#9  0x188c2 in ?? ()
#10 0x187e2 in ?? ()
#11 0xacb0 in ?? ()
#12 0x10669 in ?? ()
#13 0xf6b8 in ?? ()
#14 0x1010b in ?? ()
#15 0xa41f in ?? ()
#16 0xd236 in ?? ()
#17 0x1096 in ?? ()
(kgdb) quit





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