From: Mathew Kanner <mat_at_cnd.mcgill.ca> Date: Mon, 15 Dec 2003 13:56:06 -0500 <snip> ::> I still get LOR with my sound card and some hicup under disk load, with ::> today's 5.2-CURRENT. It's a UP system with following sound card. ::> ::> pcm0: <Yamaha DS-1E (YMF744)> port 0xfcac-0xfcaf,0xfc00-0xfc3f mem 0xfecf0000-0xfecf7fff irq 9 at device 9.0 on pci0 ::> pcm0: <Asahi Kasei AK4543 AC97 Codec> ::> ::> Also, here's hand written LOR message: ::> ::> lock order reversal ::> 1st 0xc3405440 pcm0 (sound softc) _at_ dev/sound/pci/ds1.c:734 ::> 2nd 0xc3405080 pcm0:play:0 (pcm play channel) _at_ dev/sound/pcm/channel.c:480 ::> Stack backtrace: ::> .... ::> witness_lock(c3405080,0,c07a8705,1e0,c33f7300) at witness_lock+0x672 ::> _mtx_lock_flags(c3405080,0,c07a8705,1e0,0) at _mtx_lock_flags+0xba ::> chn_intr(c33f7300,104,4,4,c3405240) at chn_intr+0x2f ::> ds_intr(c340b4000,0,c07b3baa,21f,c334c1c4) at ds_intr+0xf5 ::> ithread_loop(c1856900,d03a7d48,c07b3a24,311,3473635f) at ithread_loop+0x192 ::> fork_exit(c059da00,c1856900,d03a7d48) at fork_exit+0xb4 ::> fork_trampoline() at fork_trampoline+0x8 :: :: Hello, :: This LOR is mostly harmless. Please try the attached patch ::the avoid it. Since this bug isn't critical, I won't commit it to 5.2 ::unless instructed otherwise by the -re team. Hello Mat, Thanks for the patch. LOR does seem to have gone away. I'll do some more testing under load, and see how it does. Thank you, Haro =------------------------------------------------------------------------------ _ _ Munehiro (haro) Matsuda -|- /_\ |_|_| Internet Solution Dept., Kubota Graphics Technologies Inc. /|\ |_| |_|_| 2-8-8 Shinjuku Shinjuku-ku Tokyo 160-0022, Japan Tel: +81-3-3225-0767 Fax: +81-3-3225-0740 Email: haro_at_kgt.co.jpReceived on Mon Dec 15 2003 - 15:38:22 UTC
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