lor with sndstat (amd64)

From: K Chapman <tech2187_at_yahoo.com>
Date: Wed, 25 Aug 2004 22:18:37 -0700 (PDT)
running: amd64
6.0-CURRENT FreeBSD 6.0-CURRENT #1: Wed Aug 25
23:40:19 EDT

sound from kernel config:
device          sound
device          "snd_via8233"

noticed this on console ater cat /dev/sndstat :
lock order reversal
 1st 0xffffffff805d03e0 sndstat (sndstat) _at_
/usr/src/sys/dev/sound/pcm/sndstat.c:165
 2nd 0xffffff002b61e8f0 user map (user map) _at_
/usr/src/sys/vm/vm_map.c:2997
KDB: stack backtrace:
witness_checkorder() at witness_checkorder+0x654
_sx_xlock() at _sx_xlock+0x51
vm_map_lookup() at vm_map_lookup+0x44
vm_fault() at vm_fault+0xba
trap_pfault() at trap_pfault+0x111
trap() at trap+0x1b5
alltraps_with_regs_pushed() at
alltraps_with_regs_pushed+0x5
sndstat_read() at sndstat_read+0x8b
spec_read() at spec_read+0x1ea
vn_read() at vn_read+0x153
dofileread() at dofileread+0x9a
read() at read+0x68
syscall() at syscall+0x4b0
Xfast_syscall() at Xfast_syscall+0xa8
--- syscall (3, FreeBSD ELF64, read), rip =
0x200689708, rsp = 0x7fffffffeab8, rbp =
0x7fffffffedc4 ---

saw reports of a lor with sndstat at the end of last
year, but that seemed to have been resolved.  sound
seems fine however... plays cd's, mp3's ok.


=====
aaarrrggghhh!!!!
FreeBSD rocks


		
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Received on Thu Aug 26 2004 - 03:18:39 UTC

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