Date: Thu, 26 Aug 2004 16:48:22 -0400 From: Mathew Kanner <mat@cnd.mcgill.ca> To: K Chapman <tech2187@yahoo.com> Cc: freebsd-current@freebsd.org Subject: Re: lor with sndstat (amd64) Message-ID: <20040826204822.GB670@cnd.mcgill.ca> In-Reply-To: <20040826051837.2668.qmail@web51008.mail.yahoo.com> References: <20040826051837.2668.qmail@web51008.mail.yahoo.com>
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On Aug 26, K Chapman wrote: > 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) @ > /usr/src/sys/dev/sound/pcm/sndstat.c:165 > 2nd 0xffffff002b61e8f0 user map (user map) @ > /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. Hello "K", I've never seen this one before, I'll take a look at this on the weekend, but since I don't have a 8233 or and AMD64 I may not find it. --Mat -- We peer so suspiciously at each other that we cannot see that we Canadians are standing on the mountaintop of human wealth, freedom and privilege. - Pierre Elliott Trudeau
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