On August 21, 2014 11:48:40 PM CEST, Felipe Balbi <balbi@xxxxxx> wrote: >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 ? Yes, definitely. Cheers, Frans -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html