Re: pl2303/usb-serial driver problem in 2.4.27-pre6

From: Marcelo Tosatti
Date: Tue Oct 12 2004 - 09:58:15 EST



Pete,

I bet this has been caused by your USB changes?

Can you take a look at this please?

On Mon, Oct 11, 2004 at 02:22:32PM +0300, Oleksiy wrote:
> Hi all,
>
> I have a problem using GPRS inet vi my Siemens S55 attached with USB
> cable since kernel version 2.4.27-pre5, the link is established well,
> but then no packets get received, looking with tcpdump shows outgoing
> ping packets and just few per several minutes received back. I'm unable
> to ping, do nslookup, etc.
> The problem started when i switched from kernel 2.4.26 (linux slackware
> 10.0) to 2.4.28-pre3. None of ppp otions haven't changed and all the
> same options were set during kerenel config. So i decided to test all
> kernels between 2.4.26 and 2.4.28-pre4 (also not working). Link works
> well in 2.4.27-pre5 and stop working in 2.4.27-pre6. No "strange"
> messages or errors in the logs. firewall is disabled (ACCEPT for all).
>
> i'm using:
>
> pppd-2.4.2
> Siemens S55 mobile
> USB cable (PL2303 conroller)
>
> USB drivers:
>
> ehci_hcd
> uhci.c
> pl2303.c
>
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