On Monday 24 March 2008, Malte Gell wrote: > On Montag, 24. März 2008, Laurent Pinchart wrote: > > Here's the most annoying part in the kernel log: > > -45 is -EL2NSYNC. In a nutshell the EHCI scheduler tells that the > > timeslot for the URB the driver tried to submit (if you're not > > familiar with URBs, thing about them as data packets on the USB) has > > already elapsed. This should not happen, as the Linux UVC driver just > > requests the URB to be sent ASAP and doesn't request any specific > > timeslot. There is clearly a bug in the EHCI scheduler. > > I have an idea, is there any option that i might pass to the ehci kernel > module? Invoking modinfo ehci-hcd gives this: > > parm: log2_irq_thresh:log2 IRQ latency, 1-64 microframes (int) > parm: park:park setting; 1-3 back-to-back async packets (uint) > parm: ignore_oc:ignore bogus hardware overcurrent indications > (bool) > > Is there a paramater among the above that could improbe this timer > issue?
No that I know of, sorry. Best regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
