--- In wimpunk <> wrote:
>
> Hi List,
>
> We got the kernel sources from
>
ftp://ftp.embeddedarm.com/ts-arm-sbc/ts-7200-linux/sources/tskernel-2.4.26-ts11-src.tar.gz,
> untarred it, changed to linux24, copied ts7260 to .config, did a make
> oldconfig and built the kernel with gcc-3.3.4-glibc-2.3.2. After
> installing my serial ports behaved different on the TS-SER4.
> We put a loopback on COMB of the TS-SER4 board and on one terminal we
> started `cat /dev/tts/1`. On another port we did `echo hello >
> /dev/tts/1`. It took 10 seconds before the hello arrived.
> We started the same system with the kernel we found on
>
ftp://ftp.embeddedarm.com/ts-arm-sbc/ts-7200-linux/binaries/ts-kernels/zImage-7260-ts11
> and did the same test. This test worked as a charm: the messages
> arrived directly.
>
> Which part did we missed?
>
> Kind regards,
>
> wimpunk.
We found what went wrong: there was a broken IRQ5 which caused this
problem.
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