[linux-elitists] USB-Serial and pppd
Thu Jun 12 10:27:41 PDT 2008
> Yes, the "generic" usb-serial driver is slow, as designed. The sierra
> driver is not using the "generic" driver, but only the usb-serial
> framework, and as such, should be much faster.
> What kernel versions are you using in your above configurations?
I've got a Verizon USB720 branded Novatel Wireless CDMA device. It's
currently using the "option" driver* by Matthias Urlichs in conjunction
Kernel version is the current Fedora 9 errata kernel***.
It seems fairly snappy but in light of your comments, I'm wondering if
this is suboptimal and if there is a way to make it go faster. Any
* filename: /lib/modules/126.96.36.199-30.fc9.i686/kernel/drivers/usb/serial/option.ko
description: USB Driver for GSM modems
author: Matthias Urlichs <email@example.com>
** filename: /lib/modules/188.8.131.52-30.fc9.i686/kernel/drivers/usb/serial/usbserial.ko
description: USB Serial Driver core
author: Greg Kroah-Hartman, firstname.lastname@example.org, http://www.kroah.com/linux/
Red Hat, Inc
More information about the linux-elitists