On Mon, 2006-02-13 at 23:16 +0900, Kouji Toriatama wrote:
> I am trying to run pppd with high speed PCMCIA modem on an
> IBM Thinkpad T41 laptop. My Linux system is Debian (sarge)
> with vanilla kernel such as 2.6.15.4.
What make and model of PCMCIA modem?
Are any special drivers used?
(what is output of /proc/modules)
What resources (IO/IRQ) are used by the device
in 2.6.9 (working) and 2.6.10+ (problem)?
What is the output of /proc/interrupts and
/proc/tty/driver/serial between the two versions?
> The problem is PPP connection through the modem stalls at
> frequent intervals. (To be exact, the PPP connection means
> TCP traffic such as SSH, HTTP.)
What applications are running and how are you
determining that there is a stall?
Does the stall persist until disconnect or
does data start flowing again after a while?
Can you tell if the transmit or receive side
is stalling (looking at ifconfig stats)?
--
Paul Fulghum
Microgate Systems, Ltd
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