Re: Panic when loading snd_ich.

On Sun, 25 Mar 2007 11:47:30 -0400
Sean Bryant <sean_at_cyberwang.net> wrote:
> Ariff Abdullah wrote:
> > On Sun, 25 Mar 2007 11:25:31 -0400
> > Sean Bryant <sean_at_cyberwang.net> wrote:
> >   
> >> Joel Dahl wrote:
> >>     
> >>> On Sun, 2007-03-25 at 18:28 +0800, Ariff Abdullah wrote:
> >>>   
> >>>       
> >>>> On Sun, 25 Mar 2007 01:50:12 -0400
> >>>> Sean Bryant <sean_at_cyberwang.net> wrote:
> >>>>     
> >>>>         
> >>>>> It's really strange.
> >>>>>
> >>>>> Ever since I updated to the latest source, loading snd_ich
> >leads >>>>           
> >>> to >> a  kernel panic. oich_add_done is where it panics, I don't
> >>> have any  >> experience gathering information that might be
> >>> relevant, but if >> anyone  wants to look in to the issue i will
> >>> provide and learn >> anything required  to resolve the issue
> >(not >> having sound is a >> serious issue!)
> >>>       
> >>>>>       
> >>>>>           
> >>>> Not having enough debugging informations is a serious issue,
> >too >>> Besides, how do you come up with "oich_add_done" ?
> >>>>     
> >>>>         
> >>> "ohci_add_done" sounds more likely:
> >>>
> >>> joel_at_jesus [/usr/src] grep -R add_done *
> >>> sys/dev/usb/ohci.c:static void         
> >ohci_add_done(ohci_softc_t >> *, ohci_physaddr_t);
> >sys/dev/usb/ohci.c:             >> ohci_add_done(sc, done &~
> >OHCI_DONE_INTRS); >> sys/dev/usb/ohci.c:ohci_add_done(ohci_softc_t
> >*sc, ohci_physaddr_t >> done) sys/dev/usb/ohci.c:            
> >panic("ohci_add_done: addr >> 0x%08lx not found", (u_long)done);
> >>>
> >>>   
> >>>       
> >> That was it! Sorry.
> >>
> >> Ariff, ohci_add_done is on the actual panic line. that's how I
> >come > up  with that.
> >>
> >>     
> >
> > So where does the "loading snd_ich cause panic" fits in? Are you
> > saying that it is all about "kldload snd_ich" or panic during
> > boot?
> >
> >
> panic during boot. not when loading the kernel module:
> 
> pcm0: <nVidia nForce4> port 0xdc00-0xdcff mem 0xd5003000-0xd5003fff
> irq  23 at device 4.0 on pci0
> pcm0: [ITHREAD]
> pcm0: cannot reset channel 0
> pcm0: unable to initialize the card
> device_attach: pcm0 attach returned 6
> 
> 
> that's what happens when I load the module after everything has
> started.  snd_ich worked as of 3/06/07. I decided to give my machine
> an update and  the panic is what happened.
> 
> 

I'm suspecting something more generic. Virtually, nothing is changed
within snd_ich land within that timeframe, except few bug fixes mostly
during detach procedure.

Besides, your panic source is from USB land, not snd_ich.


--
Ariff Abdullah
FreeBSD

... Recording in stereo is obviously too advanced
    and confusing for us idiot ***** users :P ........