Problem with pcmcia serial GPRS/EDGE modem

[Peter Stuge]

On Wed, Oct 10, 2007 at 10:23:58PM +0200, Grzeniek wrote:
> found is if i boot system with kernel parameter acpi=off everything
> work great. I have got transfer about 20KB/s. When I boot with acpi
> enabled I have transfers about 900B/s and a lot of ppp0 rx errors
> (about 25%).

Please provide dmesg output from a boot with ACPI and another one
without ACPI.


> I tried few Linux distributions (FC5, FC7, Ubuntu 6.04, Ubuntu
> 7,04, Ubuntu 7.10).

It may be useful to build your own kernel from vanilla sources.


> I still don't know if this problem is related to pcmcia
> (yenta_socket),

Note that yenta_socket is not PCMCIA, but CardBus, as Dominik pointed
out.


> I really need to have this modem working,

Well then maybe you will have to stay with acpi=off.

But please send dmesg output so someone can compare them and maybe
come to a useful conclusion.


//Peter