lkml.org 
[lkml]   [2007]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: serial flow control appears broken
Lee Howard schrieb:
>
> So, does this explain why I wouldn't have a problem at 115200 bps with
> kernel 2.2.5 but why I do with 2.6.5 and 2.6.18? Both hardware and
> software flow control work fine with 2.2.5 (meaning I don't see any
> error message and I don't have any data corruption), but neither works
> to avoid the "kernel: ttyS1: 1 input overrun(s)" and consequent data
> corruption issue in 2.6.5 nor 2.6.18.
>
> Was there some associated application change in tty handling that needed
> to occur between the 2.2 and 2.6 kernels to properly implement flow control?

Could this be related?

http://lkml.org/lkml/2007/7/18/245

Quote:
"I've recently found (using 2.6.21.4) that configuring a serial ports
(ST16654) which use the 8250 driver using setserial results in the
UART's FIFOs being disabled (unless you specify autoconfig)."

--
Tilman Schmidt E-Mail: tilman@imap.cc
Bonn, Germany
Diese Nachricht besteht zu 100% aus wiederverwerteten Bits.
Ungeöffnet mindestens haltbar bis: (siehe Rückseite)

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2007-07-27 15:53    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site