From owner-freebsd-stable  Wed Nov 22 12:45:35 2000
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Date: Wed, 22 Nov 2000 21:44:26 +0100
From: "Karel J. Bosschaart" <karelj@wop21.wop.wtb.tue.nl>
To: freebsd-stable@freebsd.org
Subject: panic: vm_page_free: freeing wired page 
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This week one of my machines rebooted 'spontaneously' three times. The
first time after an uptime of 56 days, running 4.1-RC. I cvsup'd to 4.2-BETA,
and configured the kernel to crash dump. The second time it didn't save core,
but today it did, after the third spontaneous reboot. The panic message is
in the subject line, and the output after a 'bt' is included below. 
Can someone help interpreting it? Could it mean that my memory has gone bad?
I did a search on the -stable list and found some issues about this panic
message but that was back in the 3.1 days. 

Karel.


(kgdb) bt
#0  dumpsys () at ../../kern/kern_shutdown.c:469
#1  0xc01530cb in boot (howto=256) at ../../kern/kern_shutdown.c:309
#2  0xc0153448 in poweroff_wait (junk=0xc02c36c0, howto=4)
    at ../../kern/kern_shutdown.c:556
#3  0xc023bd86 in vm_page_free_toq (m=0xc04db688) at ../../vm/vm_page.c:1109
#4  0xc0234575 in vm_fault (map=0xc76f3880, vaddr=675512320, 
    fault_type=1 '\001', fault_flags=0) at ../../vm/vm_page.h:523
#5  0xc02901ee in trap_pfault (frame=0xc7725fa8, usermode=1, eva=675512320)
    at ../../i386/i386/trap.c:824
#6  0xc028fcf3 in trap (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, 
      tf_edi = 134665664, tf_esi = 675512319, tf_ebp = -1, 
      tf_isp = -948805676, tf_ebx = 362, tf_edx = 675512031, tf_ecx = 18, 
      tf_eax = -540846655, tf_trapno = 12, tf_err = 4, tf_eip = 672190790, 
      tf_cs = 31, tf_eflags = 66071, tf_esp = -1077945364, tf_ss = 47})
      at ../../i386/i386/trap.c:359
#7  0x2810d146 in ?? ()
Cannot access memory at address 0xffffffff.
(kgdb) 
					


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