Le Mardi 12 Juillet 2005 03:54, Alan Stern a écrit :
> > So the problem is circled to 2.6 kernel, uhci_hcd and UP IO-APIC.
>
> Don't rule out the hardware too quickly. 2.4 and 2.6 manage the UHCI
> controllers in different ways.
I saw ;-)
> In particular, the usb-uhci driver in 2.4 does not suspend the controller
> when no devices are attached, whereas uhci-hcd in 2.6 does. (So does the
> "alternate" uhci driver in 2.4.) [...]
> To try and help pin things down, tomorrow (i.e., Tuesday) I'll send you a
> test patch to completely disable the UHCI controllers, leaving them awake
> and idle, not generating interrupts. If you still get those spurious
> IRQs, they will have to come from somewhere else. (Assuming you can
> devote server time to this sort of testing...)
I'll try my best, although I will have little time for playing with this until
the end of this week, and will be on travel next week. But if you send me a
test patch, I'll try my best to test it.
Cheers.
--
Michel Bouissou <[email protected]> OpenPGP ID 0xDDE8AC6E
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