Date: Fri, 05 Aug 2005 13:50:28 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Antoine Brodin <antoine.brodin@laposte.net> Cc: current@freebsd.org, multimedia@freebsd.org Subject: Re: LOR pcm0:play:0 / kernel environment Message-ID: <20050805135028.0rs1mdascgocok4w@netchild.homeip.net> In-Reply-To: <20050805043002.065e354b.antoine.brodin@laposte.net> References: <20050805043002.065e354b.antoine.brodin@laposte.net>
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Antoine Brodin <antoine.brodin@laposte.net> wrote: CCing multimedia@, since there are the people which may be able to solve ths issue. > I have a LOR that doesn't seem to be on the LOR page: > > lock order reversal > 1st 0xc30b3b00 pcm0:play:0 (pcm play channel) @ > /usr/src/sys/modules/sound/sound/../../../dev/sound/pcm/channel.c:1134 > 2nd 0xc06a7900 kernel environment (kernel environment) @ > /usr/src/sys/kern/subr_hints.c:117 > KDB: stack backtrace: > kdb_backtrace(c065a9a4,c06a7900,c0653c0b,c0653c0b,c0658e0a) at > kdb_backtrace+0x2e > witness_checkorder(c06a7900,1,c0658e0a,75,e62c9a04) at > witness_checkorder+0x6c3 > _sx_slock(c06a7900,c0658e0a,75,c0656022,18b) at _sx_slock+0x7e > res_find(e62c9b44,0,c2ff42ec,e62c9b58,c0e74b0a) at res_find+0x1bd > resource_find(e62c9b44,0,c2ff42ec,e62c9b58,c0e74b0a) at resource_find+0x67 > resource_int_value(c2ff42ec,0,c0e74b0a,e62c9b70,c30c0100) at > resource_int_value+0x6c > vchan_create(c30c0100,0,c0e746b1,100,4) at vchan_create+0x32d > sysctl_hw_snd_maxautovchans(c0e778e0,0,4,e62c9bfc,e62c9bfc) at > sysctl_hw_snd_maxautovchans+0x207 > sysctl_root(0,e62c9c6c,3,e62c9bfc,c3080320) at sysctl_root+0x14e > userland_sysctl(c3080320,e62c9c6c,3,0,0) at userland_sysctl+0x122 > __sysctl(c3080320,e62c9d04,18,422,6) at __sysctl+0xb7 > syscall(3b,3b,3b,0,bfbfee10) at syscall+0x2a2 > Xint0x80_syscall() at Xint0x80_syscall+0x1f > --- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x2812f17b, esp = > 0xbfbfe55c, ebp = 0xbfbfe588 --- I assume this is with a recent -current, is this right? If yes, how recent? Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137 I have discovered the art of deceiving diplomats. I tell them the truth and they never believe me. -- Camillo Di Cavour
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