Date: Tue, 10 Apr 2001 15:42:19 +0200 From: Ollivier Robert <roberto@eurocontrol.fr> To: FreeBSD Current Users' list <freebsd-current@FreeBSD.ORG> Subject: Panic within sound driver Message-ID: <20010410154219.A795@caerdonn.eurocontrol.fr>
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I systematically get the following panic since the end of March at boot
time:
Kernel trap 12 with interrupt disabled
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x65656e48 XXX een8 XXX
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01aba3a
stack pointer = 0x10:0xc03d66ac
frame pointer = 0x10:0xc03d66b8
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 0 (swapper)
Kernel: type 12 trap, code = 0
Stopped at _mtx_lock_sleep+0x2e2: movb 0x1d5(%edx),%al
_mtx_lock_sleep
snd_mtxlock
ad1816_lock
ad1816mix_set
mixer_set
ad1816_attach
device_probe_and_attach
isa_probe_children
configure
mi_startup
Any idea?
Source from a few hours ago.
#
# CAERDONN
#
# $Id: //depot/caerdonn/kernel/CAERDONN#14 $
machine i386
cpu I686_CPU
ident CAERDONN
maxusers 48
makeoptions DEBUG="-g"
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options PROCFS
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
options UCONSOLE #Allow users to grab the console
options CLK_USE_TSC_CALIBRATION
options SYSVSHM
options SYSVSEM
options SYSVMSG
options SHMMAXPGS=2048
options DEVFS
options DDB
options INVARIANTS
options INVARIANT_SUPPORT
options KTRACE
options IPSEC
options IPSEC_ESP
options SOFTUPDATES
options P1003_1B
options _KPOSIX_PRIORITY_SCHEDULING
options _KPOSIX_VERSION=199309L
device isa
device pci
device miibus
device fxp
device fdc
device ata
device atapicd
# A single entry for any of these controllers (ncr, ahb, ahc) is sufficient
# for any number of installed devices.
device ahc
device scbus
device da
device sa
device cd
device pass #CAM passthrough driver
device atkbdc 1
device atkbd
device psm
device vga
device sc 1
device splash
device random
device npx
device sio
device ppc
device ppbus
device lpt
device ppi
device pcm
device loop
device ether
device tun 2
device pty
device gzip # Exec gzipped a.out's
device bpf 4
device snp 4
--
Ollivier ROBERT -=- Eurocontrol EEC/ITM -=- Ollivier.Robert@eurocontrol.fr
FreeBSD caerdonn.eurocontrol.fr 5.0-CURRENT #46: Wed Jan 3 15:52:00 CET 2001
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