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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
