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

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:
> > > > 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)
> > > 
> > > 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
bus_generic_attach() at bus_generic_attach+0x1a
acpi_pci_attach() at acpi_pci_attach+0x14f
device_attach() at dvice_attach+0x69
bus_generic_attach() at bus_generic_attach+0x1a
acpi_pcib_attach() at acpi_pcib_attach+0x1a7
acpi_pcib_acpi_attach() at acpi_pcib_acpi_attach+0x1fd
device_attach() at dvice_attach+0x69
bus_generic_attach() at bus_generic_attach+0x1a
acpi_attach() at acpi_attach+0xa28
device_attach() at dvice_attach+0x69
bus_generic_attach() at bus_generic_attach+0x1a
nexus_acpi_attach() at nexus_acpi_attach+0x69
device_attach() at dvice_attach+0x69
bus_generic_new_pass() at bus_generic_new_pass+0xd6
bus_set_pass() at bus_set_pass+0x7a
configure() at configure+0xa
mi_startup() at mi_startup+0x59
btext() at btext+0x2c
db>

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