Re: [Bluez-devel] About the kernel 2.6.18

Stefan Seyfried
2006-10-09T09:04:50Z

On Mon, Oct 09, 2006 at 10:57:53AM +0800, Mingfan.Lu wrote:
> Hi,
> I am just use the Bluetooth OBEX Object Push client (0.99 beta1).
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Host:
> Vmware 5.5
> OS: Suse 10.1
> bluetooth dongle: 1.2
> File pushed: testpkg whose size is 137956B
> =

> Target:
> Nokia E61
> =

> kernel version: 2.6.16.13-4 (built from Suse 10.1) about 11-12s kernel
> version: 2.6.16.13-4 (rebuilt from above) about 11-12s
> kernel version: 2.6.17 (built from kernel.org) about 11-12s
> kernel version: 2.6.18: about 145s
> kernel version: 2.6.18 with mh4 (built with the patch from bluez): 143s
> 146s

This means that ~1000bytes/second are transferred. I am using 2.6.18 with =

ppp-via-rfcomm and it does get me at least 45kB/second (3G/UMTS speed), with
a sony-ericsson k600i as target, so there are configurations where it still
works fine.

> Too terrible!!!
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =

> using other RFCOMM applications, 2.6.18 is slower too.

Well, apparentely not everywhere and not for everybody.
-- =

Stefan Seyfried | "Please, just tell people
QA / R&D Team Mobile Devices | to use KDE."
SUSE LINUX Products GmbH, N=FCrnberg | -- Linus Torvalds

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