Hi, On Thu, Aug 21, 2014 at 11:41:17PM +0200, Frans Klaver wrote: > On Wed, Aug 20, 2014 at 11:06:05AM -0500, Felipe Balbi wrote: > > On Wed, Aug 20, 2014 at 08:40:28AM +0200, Frans Klaver wrote: > > > On Tue, Aug 19, 2014 at 01:57:02PM -0500, Felipe Balbi wrote: > > > > On Tue, Aug 19, 2014 at 02:14:47PM +0200, Frans Klaver wrote: > > > > > At 3.6Mbaud, with slightly over 2Mbit/s data coming in, we see 1600 uart > > > > > rx buffer overflows within 30 seconds. Threading the interrupt handling reduces > > > > > this to about 170 overflows in 10 minutes. > > > > > > > > Can you try Sebastian Siewior's patches for 8250_omap and 8250 dma > > > > support ? That should help you a lot. > > > > > > I'll have a look at that series. Thanks for pointing it out. > > I have had a look at Sebastian's series, but I'm not convinced > yet that we should use it. So far the serial console seems to be > missing data every now and then. I haven't gotten around to testing our > high traffic application yet. as any new driver, there are bugs to be fixed. How about reporting the ones you found together with a way of reproducing them so they can be fixed ? cheers -- balbi
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