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Date:      Mon, 29 Oct 2001 00:30:02 -0800 (PST)
From:      Oleg Ilin <ilin@rinet.ru>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re[2]: i386/31535: Can't reboot system: Tyan Thunder K7+ Dual AMD Athlon 1.2 MP / FreeBSD 4.4 STABLE or 4.3 RELEASE
Message-ID:  <200110290830.f9T8U2T06851@freefall.freebsd.org>

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The following reply was made to PR i386/31535; it has been noted by GNATS.

From: Oleg Ilin <ilin@rinet.ru>
To: Tor.Egge@fast.no
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re[2]: i386/31535: Can't reboot system: Tyan Thunder K7+ Dual AMD Athlon 1.2 MP / FreeBSD 4.4 STABLE or 4.3 RELEASE
Date: Mon, 29 Oct 2001 11:24:00 +0300

 Hello Tor,
 
 Monday, October 29, 2001, 6:51:11 AM, you wrote:
 
 > The shutdown routine uses memory based syncronization to let the BSP
 > perform the real reset.  Your problem looks like a livelock, which can
 > be avoided by flushing the cache after setting the variable used for
 > syncronization.
 
 Hmm... Problem not fixed.
 
 /usr/src > patch < tor.patch
 Hmm...  Looks like a unified diff to me...
 The text leading up to this was:
 --------------------------
 |diff -u -r1.132.2.5 vm_machdep.c
 |--- sys/i386/i386/vm_machdep.c 22 Sep 2001 09:21:48 -0000      1.132.2.5
 |+++ sys/i386/i386/vm_machdep.c 29 Oct 2001 03:41:00 -0000
 --------------------------
 Patching file sys/i386/i386/vm_machdep.c using Plan A...
 Hunk #1 succeeded at 415.
 Hunk #2 succeeded at 465.
 Hunk #3 succeeded at 473 with fuzz 2.
 Hunk #4 succeeded at 481.
 done
 
 I rebuild kernel and boot system.
 Next:
 
 test# reboot
 
 reboot log [console]:
 #========================================================================>
 boot() called on cpu#1
 Waiting (max 60 seconds) for system process `bufdaemon' to stop...stopped
 Waiting (max 60 seconds) for system process `syncer' to stop...stopped
 
 syncing disks... 4
 done
 Uptime: 30m49s
 Rebooting...
 cpu_reset called on cpu#1
 cpu_reset: Stopping other CPUs
 cpu_reset: Restarting BSP
 npu_reset_proxy: Grabbcepdu _mrpe sleotc:k  BfSoPr  dBiSdP
  t grab mp lock
 #========================================================================<
 
 Long wait..
 
 System not Restarting.
 
 Best regards,
  Oleg                            mailto:ilin@rinet.ru
 

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