Date: Tue, 27 Jul 2010 17:53:25 +0100 From: Gavin Atkinson <gavin@FreeBSD.org> To: Anton Shterenlikht <mexas@bristol.ac.uk> Cc: freebsd-current@FreeBSD.org Subject: Re: amd64 panic snd_hda - hdac_get_capabilities: Invalid corb size (0) Message-ID: <1280249605.78791.36.camel@buffy.york.ac.uk> In-Reply-To: <20100727144703.GA46905@mech-cluster241.men.bris.ac.uk> References: <20100726132451.GA18443@mech-cluster241.men.bris.ac.uk> <1280226205.78791.0.camel@buffy.york.ac.uk> <20100727115831.GA46325@mech-cluster241.men.bris.ac.uk> <1280238737.78791.20.camel@buffy.york.ac.uk> <20100727144703.GA46905@mech-cluster241.men.bris.ac.uk>
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On Tue, 2010-07-27 at 15:47 +0100, Anton Shterenlikht wrote: > On Tue, Jul 27, 2010 at 02:52:17PM +0100, Gavin Atkinson wrote: > > On Tue, 2010-07-27 at 12:58 +0100, Anton Shterenlikht wrote: > > > On Tue, Jul 27, 2010 at 11:23:24AM +0100, Gavin Atkinson wrote: > > > > On Mon, 2010-07-26 at 14:24 +0100, Anton Shterenlikht wrote: > > > >=20 > > > > > hdac0: <ATI SB600 High Definition Audion Controller> irq 16 at de= vice 20.2 on pci0 > > > > > hdac0: HDA Driver Revision: 20100226_0142 > > > > > hdac0: [ITHREAD] > > > > > hdac0: hdac_get_capabilities: Invalid corb size (0) > > > > > device_attach: hdac0 attach returned 6 > > > > > Slab at 0xffffff000261eb18, freei 3 =3D 0 > > > > > panic: Duplicate free of item 0xffffff0002661c00 from zone 0xffff= ff00b7f9a500(1024) > > > >=20 > > > > Can you give us this output please? At least the "panic()" line an= d the > > > > next six or so lines? >=20 > here it is: >=20 > db> bt > Tracing pid 0 tid 100000 td 0xffffffff80b40de0 > kdb_enter() at kdb_enter+0x3d > panic() at panic+0x17b > uma_dbg_free() at uma_zfree_arg+0x62 > free() at free+0xcd > device_set_driver() at device_set_driver+0x7c > device_attach() at device_attach+0x1a3 Thanks. Can you try http://people.freebsd.org/~gavin/mexas-hda-panic.diff and see if that solves things for you? (Credit goes to avg@ for looking into this before me :) Gavin --=20 Gavin Atkinson FreeBSD committer and bugmeister
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