Messages in this thread | | | Subject | Re: How to avoid serial port buffer overruns? | From | Lee Revell <> | Date | Wed, 16 Aug 2006 19:15:06 -0400 |
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On Thu, 2006-08-17 at 00:10 +0100, Russell King wrote: > On Wed, Aug 16, 2006 at 05:24:26PM -0500, Paul Fulghum wrote: > > Does the MIDI device using the standard N_TTY line discipline? > > Are you using the low_latency flag on the serial device? > > What type of UART has been tested (16550? other?) > > Are you seeing overruns or just lost data? > > MIDI uses its own driver - sound/drivers/serial-u16550.c. My guess > is there's something in the system starving interrupt servicing. > Serial is very sensitive to that, and increases in other system > latencies tends to have an adverse impact on serial. >
Thanks.
Have you seen many other reports of serial working reliably in 2.4 but not in 2.6? Right now this is the only clue I have to go on...
Lee
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