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Date:      Tue, 30 Oct 2001 16:50:53 -0800
From:      Manfred Antar <null@pozo.com>
To:        current@FreeBSD.ORG
Cc:        smp@FreeBSD.ORG
Subject:   Current panic on shutdown bwrite: buffer is not busy???
Message-ID:  <5.1.0.14.2.20011030164508.00aa0d18@pozo.com>

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For the past week I have been getting Fatal trap on shutdown
This is on a SMP Pentium Pro system.

Oct 30 16:42:47 pozo shutdown: reboot by root: 

Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic.id = 0c000000
fault virtual address   = 0x64
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01b9b77
stack pointer           = 0x10:0xdd9f6a2c
frame pointer           = 0x10:0xdd9f6a30
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 3259 (init)
trap number             = 12
panic: page fault
cpuid = 0; lapic.id = 00000000
boot() called on cpu#0

syncing disks... panic: bwrite: buffer is not busy???
cpuid = 0; lapic.id = 00000000
boot() called on cpu#0
Uptime: 3h8m17s

dumping to dev da0s1b, offset 237568

Manfred



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