Date: Mon, 26 Jul 2010 17:07:32 +0100 From: Anton Shterenlikht <mexas@bristol.ac.uk> 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: <20100726160732.GA37936@mech-cluster241.men.bris.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, Jul 26, 2010 at 02:24:52PM +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. > > (copied by hand) > > 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 = 0 > panic: Duplicate free of item 0xffffff0002661c00 from zone 0xffffff00b7f9a500(1024) > > cpuid = 0 > KDB: enter: panic > [ thread pid 0 tid 100000 ] > Stopped at kdb_enter+0x3d: movq $0,0x74f360(%rip) > db>bt > > (very long output.. ending in) > > mi_startup() at mi_startup_0x59 > btext() at btext+0x2c I moved back as far as r204000, still the same panic. Please advise many thanks anton -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423
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