Netwroking slow?

Hi all,

I have a problem with using the native networking of QNX6.1. When
I start up my systems, all of them are visible under /net. But
when copying from and to devices I often encounter a very slow
network performance.
Sometimes, the connection hangs after ca. 160kB of transferred data.

When I use the same setup under QNX4, everything works with very high
performance.

The problem seems to be the 82559 in the embedded system, since the
server works with very high performance over TCP/IP.

Any ideas?

Greetings, Sven


Sven Fischer – DEUTA-Werke GmbH, Abteilung EIT
Dipl.-Phys. Paffrather Str. 140, 51465 Bergisch Gladbach, Germany
Tel.: +49-(0)2202-958-216 Fax.: +49-(0)2202-958-145
Please note the disclaimer: http://www.deutaeit.de/disclaimer.html

Hi Sven,

How are you starting the driver? (how is QNET mounted)

Thanks!

Erick


Sven Fischer <fischer@deutaeit.de> wrote:

Hi all,

I have a problem with using the native networking of QNX6.1. When
I start up my systems, all of them are visible under /net. But
when copying from and to devices I often encounter a very slow
network performance.
Sometimes, the connection hangs after ca. 160kB of transferred data.

When I use the same setup under QNX4, everything works with very high
performance.

The problem seems to be the 82559 in the embedded system, since the
server works with very high performance over TCP/IP.

Any ideas?

Greetings, Sven


Sven Fischer – DEUTA-Werke GmbH, Abteilung EIT
Dipl.-Phys. Paffrather Str. 140, 51465 Bergisch Gladbach, Germany
Tel.: +49-(0)2202-958-216 Fax.: +49-(0)2202-958-145
Please note the disclaimer: > http://www.deutaeit.de/disclaimer.html

“Hardware Support Account” <hw@qnx.com> schrieb im Newsbeitrag
news:9s9ej8$1fh$1@nntp.qnx.com

Hi Sven,

How are you starting the driver? (how is QNET mounted)

I tried both the automatic way (by enumerator) and by hand:

io-net -dspeedo -pqnet

I also made some tests with the tcpip networking etc., it approved
to be slow also.

Under qnet, I sometimes get a cp to 163kB, then it will hang forever.
Under ttcpip, a ftp survives about 1.4MB, then hangs 5 seconds and
continues again. Repeatable. As I said, under QNX4 everything works
perfectly.

Greetings, Sven


Sven Fischer – DEUTA-Werke GmbH, Abteilung EIT
Dipl.-Phys. Paffrather Str. 140, 51465 Bergisch Gladbach, Germany
Tel.: +49-(0)2202-958-216 Fax.: +49-(0)2202-958-145
Please note the disclaimer: http://www.deutaeit.de/disclaimer.html

Sven Fischer <fischer@deutaeit.de> wrote:

“Hardware Support Account” <> hw@qnx.com> > schrieb im Newsbeitrag
news:9s9ej8$1fh$> 1@nntp.qnx.com> …
Hi Sven,

How are you starting the driver? (how is QNET mounted)

I tried both the automatic way (by enumerator) and by hand:

io-net -dspeedo -pqnet

I also made some tests with the tcpip networking etc., it approved
to be slow also.

Under qnet, I sometimes get a cp to 163kB, then it will hang forever.
Under ttcpip, a ftp survives about 1.4MB, then hangs 5 seconds and
continues again. Repeatable. As I said, under QNX4 everything works
perfectly.

Does nicinfo tell you anything ?

-xtang


Greetings, Sven


Sven Fischer – DEUTA-Werke GmbH, Abteilung EIT
Dipl.-Phys. Paffrather Str. 140, 51465 Bergisch Gladbach, Germany
Tel.: +49-(0)2202-958-216 Fax.: +49-(0)2202-958-145
Please note the disclaimer: > http://www.deutaeit.de/disclaimer.html

Xiaodan Tang <xtang@qnx.com> wrote:

I tried both the automatic way (by enumerator) and by hand:

io-net -dspeedo -pqnet

Try doing this…

io-net -d speedo nomulticast -p qnet

…and see if that is any better.

chris

cdm@qnx.com > “The faster I go, the behinder I get.”

Chris McKillop – Lewis Carroll –
Software Engineer, QSSL
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