2006-11-16 23:57:57

by Lu, Yinghai

[permalink] [raw]
Subject: RE: [PATCH] ALSA: hda-intel - Disable MSI support by default

-----Original Message-----
From: Olivier Nicolas [mailto:[email protected]]


>IRQ 22 is disabled but snd_hda_intel seems to get a MSI interrupt! (It
>cannot be reproduced)

>313: 0 1 PCI-MSI-edge HDA Intel

Please try attached one, also build hda_intel into kernel directly if it
is not.

YH


Attachments:
hda_intel_pci_intx_11162006.diff (2.52 kB)
hda_intel_pci_intx_11162006.diff

2006-11-17 00:49:24

by Olivier Nicolas

[permalink] [raw]
Subject: Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

Lu, Yinghai wrote:
> -----Original Message-----
> From: Olivier Nicolas [mailto:[email protected]]
>
>
>> IRQ 22 is disabled but snd_hda_intel seems to get a MSI interrupt! (It
>> cannot be reproduced)
>
>> 313: 0 1 PCI-MSI-edge HDA Intel
>
> Please try attached one, also build hda_intel into kernel directly if it
> is not.
>
> YH
>

ALSA is build directly in the kernel

messages: htt://olivn.trollprod.org/19-rc6/hda_intel_pci_intx_11162006.dmesg

cat /proc/interrupts
CPU0 CPU1
0: 627 164040 IO-APIC-edge timer
1: 5 1363 IO-APIC-edge i8042
6: 0 5 IO-APIC-edge floppy
7: 0 0 IO-APIC-edge MOTU MTPAV
8: 0 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-fasteoi acpi
12: 142 39757 IO-APIC-edge i8042
14: 5 1725 IO-APIC-edge ide0
16: 34 45618 IO-APIC-fasteoi libata, ohci1394, nvidia
17: 0 4 IO-APIC-fasteoi Bt87x audio, bttv0
20: 84 30048 IO-APIC-fasteoi libata
21: 2 451 IO-APIC-fasteoi HDA Intel, ehci_hcd:usb2
22: 0 1 IO-APIC-fasteoi libata, ohci_hcd:usb1
23: 0 0 IO-APIC-fasteoi libata
308: 179 63652 PCI-MSI-edge eth1
309: 1 98 PCI-MSI-edge eth1
310: 1 117 PCI-MSI-edge eth1
311: 179 63673 PCI-MSI-edge eth0
312: 0 0 PCI-MSI-edge eth0
313: 0 1 PCI-MSI-edge eth0
NMI: 84 72
LOC: 164581 164616
ERR: 0


cat /proc/asound/cards
0 [Dummy ]: Dummy - Dummy
Dummy 1
1 [VirMIDI ]: VirMIDI - VirMIDI
Virtual MIDI Card 1
2 [port ]: MTPAV - MTPAV on parallel port
MTPAV on parallel port at 0x378
3 [Bt878 ]: Bt87x - Brooktree Bt878
Brooktree Bt878 at 0xfdffe000, irq 17
4 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xfe020000 irq 313