Le Lundi 11 Juillet 2005 20:36, Alan Stern a écrit :
> It's also possible that the UHCI controllers are generating the unwanted
> interrupt requests. You should make sure that Legacy USB Support is
> turned off in your BIOS settings.
My motherboard both holds USB 1.1 and USB 2.0 controllers. I don't have a
"Legacy USB Support" option in my BIOS, all my USB options are the following:
Enable USB 1.1 controller: YES (Surely relates to my true USB 1.1 controller)
Enable USB 2.0 controller: YES (Same for the high speed controller ?)
Enable USB keyboard: NO
Enable USB mouse support: YES (Well, I have one ;-)
I didn't change anything regarding these so far.
> You can also try adding the "usb-handoff" kernel parameter to your boot
> command line.
Hey !! This one looks like the MIRACLE-OPTION !!
I just booted using my 2.6.12 kernel patched with Nathalie's patches (don't
know if they help in there...) and the problem seems to be gone !
Nothing complains anymore about the interrupt. I have:
[root@totor etc]# cat /proc/interrupts
CPU0
0: 934501 IO-APIC-edge timer
1: 4611 IO-APIC-edge i8042
2: 0 XT-PIC cascade
4: 2779 IO-APIC-edge serial
7: 3 IO-APIC-edge parport0
14: 7909 IO-APIC-edge ide4
15: 7918 IO-APIC-edge ide5
16: 38447 IO-APIC-level nvidia
18: 2982 IO-APIC-level eth0, eth1
19: 37041 IO-APIC-level ide0, ide1, ide2, ide3, ehci_hcd:usb4
21: 52036 IO-APIC-level uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3
22: 2850 IO-APIC-level VIA8233
NMI: 0
LOC: 934453
ERR: 0
MIS: 0
...now let's see with time if this is stable...
A thousand thanks for your suggestion Alan !
(Kernel 2.4 was working plain good without such a boot option, I didn't know
it existed...)
(Please copy me on answers, as I'm not subscribed to the linux-kernel mailing
list.)
Cheers.
--
Michel Bouissou <[email protected]> OpenPGP ID 0xDDE8AC6E
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