On Tue, Apr 03, 2007 at 06:49:42PM +0200, Rainer Hurling wrote: [...] > > In "man ehci(4)" I found: > > ------- > BUGS > The driver is not finished and is quite buggy. > There is currently no support for isochronous transfers. > ------- > > Possibly this could cause the observed "dropouts" of nfe0 from a few > seconds till several minutes? > I'm not familiar with ehci(4) but I think it has nothing to do with missing Tx completion interrupts observed on nfe(4). > > Is there a knob or option in driver nfe(4) I can use to try classical > polling or any 'lower' mode of operation? > Add 'options DEVICE_POLLING' into kernel configuration file and rebuild your kernel. Use ifconfig(8) to enable/disable polling(4) feature. See polling(4) for more detailed description and tuning parameters. -- Regards, Pyun YongHyeonReceived on Tue Apr 03 2007 - 22:32:06 UTC
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