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

From: Olivier Nicolas
Date: Thu Nov 16 2006 - 19:49:47 EST


Lu, Yinghai wrote:
-----Original Message-----
From: Olivier Nicolas [mailto:olivn@xxxxxxxxxxxxx]


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


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