Re: amd64 panic snd_hda - hdac_get_capabilities: Invalid corb size (0)

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:
>  > > > 
> > > > > 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)
> > > > 
> > > > Can you give us this output please?  At least the "panic()" line and the
> > > > next six or so lines?
> 
> here it is:
> 
> 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_at_ for looking into this before me :)

Gavin

-- 
Gavin Atkinson
FreeBSD committer and bugmeister