Packet loss during wireless scans (Testing needed)

Morgan Collett morgan.collett at gmail.com
Tue Nov 25 03:41:27 EST 2008


On Tue, Nov 25, 2008 at 03:55, John Ferlito <johnf at inodes.org> wrote:
> Hi,
>
> I've been debugging a packet loss issue with the VideoChat application
> for the last few days. After a fair bit of fiddling I discovered the
> packet loss is being caused by network scans being performed by
> Network Manager. We are seeing 0.4-0.8 second losses of network
> connectivity when these occur.
>
> I've filed a bug here https://dev.laptop.org/ticket/9048
>
> The problem is easily reproducible by doing the following
>
>    ping -i 0.1 GATEWAY_IP
>    iwlist eth0 scan
>
> You should see two lots of 4 packets drop and the antennae light on
> the XO should flash.
>
> My testing has been on
> Build: 767
> Firmware: Q2E18
> Marvel Firmware: 5.110.22.p18
>
> Could others with other builds please test to see if this has been
> around for a while. Email me privately and I'll summarise in the
> ticket.

Reproduced with 767. No packet loss with 656. Commented on the ticket.

Regards
Morgan



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