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

Greg KH
2004-10-12T17:14:17Z

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).

Can you enable CONFIG_DEBUG?

There were no pl2303 driver changes between 2.4.27-pre5 and pre6, so I
don't think it's that driver...

thanks,

greg k-h