Hi all,

Dnia 2009-02-14, sob o godzinie 11:30 +0100, Takashi Iwai pisze:

...

At Fri, 13 Feb 2009 22:48:26 +0100, Bartłomiej Holdenmayer wrote:

I did ehat You wrote. Here is my dmesg: [ 14.729023] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 2 2 [ 14.729028] hda_intel: codec_mask forced to 0xff [ 14.729054] HDA Intel 0000:00:1b.0: setting latency timer to 64 [ 15.776021] ALSA /usr/src/Alsa-1.0.19/alsa-driver-1.0.19/pci/hda/../../alsa-k ernel/pci/hda/hda_intel.c:634: hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x100f0000 [ 16.780019] ALSA /usr/src/Alsa-1.0.19/alsa-driver-1.0.19/pci/hda/../../alsa-k ernel/pci/hda/hda_intel.c:1271: hda_intel: Codec #1 probe error; disabling it... [ 17.816508] ALSA /usr/src/Alsa-1.0.19/alsa-driver-1.0.19/pci/hda/../../alsa-k ernel/pci/hda/hda_intel.c:1271: hda_intel: Codec #3 probe error; disabling it... [ 17.921600] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/inp ut/input11 [ 18.052194] input: HDA Intel at 0x9f300000 irq 22 Mic at Ext Front Jack as /d evices/pci0000:00/0000:00:1b.0/input/input12 [ 18.052587] input: HDA Intel at 0x9f300000 irq 22 Mic at Sep UNKNOWN Jack as /devices/pci0000:00/0000:00:1b.0/input/input13 [ 18.052894] input: HDA Intel at 0x9f300000 irq 22 HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:1b.0/input/input14

This is very interesting for me, as I have another HP dv4 computer with the same sound chip, and I get roughly similar results, but with a significant difference (using Tagashi's snapshot from yesterday) :

HDA Intel 0000:00:1b.0: power state changed by ACPI to D0 HDA Intel 0000:00:1b.0: PCI INT B -> GSI 22 (level, low) -> IRQ 22 hda_intel: codec_mask forced to 0xff HDA Intel 0000:00:1b.0: setting latency timer to 64 ALSA /home/linux/rpmbuild/BUILD/alsa-driver-1.0.19.217/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:634: hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x000f0000 ALSA /home/linux/rpmbuild/BUILD/alsa-driver-1.0.19.217/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:1271: hda_intel: Codec #1 probe error; disabling it... ALSA /home/linux/rpmbuild/BUILD/alsa-driver-1.0.19.217/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:1271: hda_intel: Codec #3 probe error; disabling it... input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input12 input: HDA Intel at 0xdf300000 irq 22 Line In at Ext Rear Jack as /devices/pci0000:00/0000:00:1b.0/input/input13 input: HDA Intel at 0xdf300000 irq 22 Mic at Ext Front Jack as /devices/pci0000:00/0000:00:1b.0/input/input14 input: HDA Intel at 0xdf300000 irq 22 HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:1b.0/input/input15

The point is I never get an IRQ 22, I get IRQ 20 instead, so most players do not work unless I boot with irqpoll or noapic options (mplayer is ok though)

Now, you get the IRQ 22 routed by APIC from PCI INT A, whereas I have the IRQ 22 routed by APIC from PCI INT B.

And I have the PCI INT A routed to IRQ 20 for USB :

ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 20 (level, low) -> IRQ 20 ehci_hcd 0000:00:1d.7: setting latency timer to 64 ehci_hcd 0000:00:1d.7: EHCI Host Controller

From this I conclude that both our sound chips trigger INT A, but in my case, it is wrongly the INT B that has been connected to IRQ 22.

So my question to all the techies on this list : how on earth can I influence on this IRQ routing ?

Regards

Jean-Pierre