[Pkg-alsa-devel] Bug#434573: modprobe -v fails to show module inserted

[David Lawyer]

On Sun, Aug 05, 2007 at 05:37:42PM +0200, Elimar Riesebieter wrote:
> On Fri, 03 Aug 2007 the mental interface of
> David Lawyer told:
> 
> > On Mon, Jul 30, 2007 at 08:17:26PM +0200, Elimar Riesebieter wrote:
> > > On Sun, 29 Jul 2007 the mental interface of
> > > David Lawyer told:
> > > 
> > > > On Sun, Jul 29, 2007 at 05:00:53PM +0200, Elimar Riesebieter wrote:
> > > > > Hi David,
> > > > > 
> > > > > On Tue, 24 Jul 2007 the mental interface of
> > > > > David Lawyer told:
> > > > > 
> > > > > > Package: module-init-tools
> > > > > > Version: 3.3-pre11-4_i386
> > > > > > 
> > > > > > When I insert snd-sb16 using modprobe -v snd-sb16 irq=2, it fails to
> > > > > > display the inserted module.  But it does display the dependencies
> > > > > > loaded.
> > > > > 
> > > > > Could you please provide the output of:
> > > > > # modinfo snd-sb16
> > > 
> > > OK, Thanks. It looks good.
> > > [...]
> > > Could you try to boot your machine with the following entry:
> > > 
> > > echo "snd-sb16 irq=2" >> /etc/modules
> > This results in no sound modules loaded.  But if I use
> > /etc/modules-2.6 a lot of sound modules load.  This is because I
> > needed to load different modules with different kernels like kernel
> > versions 2.2 2.4 etc.  So snd-sb16 loads but with irq=5 per
> > /proc/interrupts.  Now I can't dial out with my modem due to an
> > interrupt conflict since it also uses irq 5.  But I at least get an
> > error message that the resource is busy.
> 
> Tell us the output of:
> 
> $ cat /proc/interrupts
           CPU0       
  0:     391461    XT-PIC-XT        timer
  1:          8    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
  3:       2227    XT-PIC-XT        serial
  5:          0    XT-PIC-XT        SoundBlaster
  6:          3    XT-PIC-XT        floppy
  7:          0    XT-PIC-XT        parport0
  8:          2    XT-PIC-XT        rtc
 12:        114    XT-PIC-XT        i8042
 15:       3472    XT-PIC-XT        ide1
NMI:          0 
LOC:          0 
ERR:          0
MIS:          0
> 
> and
> 
> grep -i irq /usr/src/your_kernel/.config
CONFIG_HT_IRQ=y
CONFIG_IDEPCI_SHARE_IRQ=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_SERIAL_8250_DETECT_IRQ is not set
# CONFIG_HPET_RTC_IRQ is not set
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_DEBUG_SHIRQ is not set
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
			David Lawyer