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To: current@freebsd.org
From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Sun, 12 Oct 2003 11:39:53 +0200
Message-ID: <14488.1065951593@critter.freebsd.dk>
Subject: panic: pmap_zero_page: CMAP3 busy
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afd0: REMOVABLE <IOMEGA ZIP 250 ATAPI> at ata1-master PIO3
acd0: CDROM <SAMSUNG SC-148P> at ata3-master PIO4
panic: pmap_zero_page: CMAP3 busy
Debugger("panic")
Stopped at      0xc062f644 = Debugger+0x54:     xchgl   %ebx,0xc0736c24 = in_Debugger.0
db> trace
Debugger(c0689675,c06e18c0,c069daaf,d88b1cb4,100) at 0xc062f644 = Debugger+0x54
panic(c069daaf,c0c61cb8,d88b1cd4,c05fe7aa,c0c61cb8) at 0xc04fa865 = panic+0xd5
pmap_zero_page_idle(c0c61cb8,0,c0699a1e,6b,c4402260) at 0xc063db4c = pmap_zero_page_idle+0x1c
vm_page_zero_idle(c452e618,0,c0699a1e,97,d88b1d0c) at 0xc05fe7aa = vm_page_zero_idle+0x9a
vm_pagezero(0,d88b1d48,c068719b,314,36208a1) at 0xc05fe98e = vm_pagezero+0xee
fork_exit(c05fe8a0,0,d88b1d48) at 0xc04e5a7f = fork_exit+0xcf
fork_trampoline() at 0xc0630ddc = fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xd88b1d7c, ebp = 0 ---
db> 

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.