Date: Tue, 27 Jul 2010 11:23:24 +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: <1280226205.78791.0.camel@buffy.york.ac.uk> In-Reply-To: <20100726132451.GA18443@mech-cluster241.men.bris.ac.uk> References: <20100726132451.GA18443@mech-cluster241.men.bris.ac.uk>
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On Mon, 2010-07-26 at 14:24 +0100, Anton Shterenlikht wrote: > On amd64 r210496 I get this panic when booting a kernel > with snd_hda(4). I haven't used this driver before, so > can't say if this is a regression. >=20 > (copied by hand) >=20 > hdac0: <ATI SB600 High Definition Audion Controller> irq 16 at device 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 0xffffff00b7f9= a500(1024) >=20 > cpuid =3D 0 > KDB: enter: panic > [ thread pid 0 tid 100000 ] > Stopped at kdb_enter+0x3d: movq $0,0x74f360(%rip) > db>bt >=20 > (very long output.. ending in) Can you give us this output please? At least the "panic()" line and the next six or so lines? Thanks, Gavin --=20 Gavin Atkinson FreeBSD committer and bugmeister
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