Lu, Yinghai wrote:
Add pci_intx to diable intx could make MSI work with pci.
Olivier, Please test it attached patch with latest git ... I hardcode to
make enable_msi=1.
YH
The kernel boots only with pci=routeirq, no IRQ get disabled but the
sound driver does not work.
http://olivn.trollprod.org/19-rc6/19-rc6-yinghai1-routeirq.dmesg
http://olivn.trollprod.org/19-rc6/19-rc6-yinghai1-routeirq.irq
In order to get reproductible result, I halt the system and remove the
power cord for 30 seconds.But once, I just reboot and get that strange
result
IRQ 22 is disabled but snd_hda_intel seems to get a MSI interrupt! (It
cannot be reproduced)
http://olivn.trollprod.org/19-rc5-git7-patch1.dmesg
CPU0 CPU1
0: 614 1107801 IO-APIC-edge timer
1: 2 361 IO-APIC-edge i8042
6: 0 5 IO-APIC-edge floppy
8: 0 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-fasteoi acpi
12: 0 163 IO-APIC-edge i8042
14: 10 11446 IO-APIC-edge ide0
16: 0 3 IO-APIC-fasteoi libata, ohci1394
17: 4 8 IO-APIC-fasteoi bttv0
20: 2 22 IO-APIC-fasteoi ehci_hcd:usb2
21: 0 4 IO-APIC-fasteoi libata, ohci_hcd:usb1
22: 15 99985 IO-APIC-fasteoi libata
23: 30 7639 IO-APIC-fasteoi libata
307: 156 443303 PCI-MSI-edge eth1
308: 0 311 PCI-MSI-edge eth1
309: 0 401 PCI-MSI-edge eth1
310: 156 443333 PCI-MSI-edge eth0
311: 0 0 PCI-MSI-edge eth0
312: 0 0 PCI-MSI-edge eth0
313: 0 1 PCI-MSI-edge HDA Intel
NMI: 65 47
LOC: 1108404 1108429
ERR: 0
Olivier
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