Vasiliy Kulikov
Sat, 05 Mar 2011 11:17:52 -0800
Solar, Piotr,
On Sat, Mar 05, 2011 at 21:57 +0300, Solar Designer wrote:
> On Sat, Mar 05, 2011 at 04:39:37PM +0100, Piotr Meyer wrote:
> > 3. After applying Owl patch transfers on tg3 and e100 works as expected,
> > but pinging from server to remote hosts works only, when selected
> > packetsize (-s) is lesser than 1473 bytes.
>
> That's curious. Yes, I confirm that our non-raw ICMP socket mode of
> ping only works when the MTU would not be exceeded. That is, on a clean
> install of Owl-current 2011/02/12, ping to external hosts over MTU 1500
> Ethernet only works for sizes up to 1472 bytes (which translates to
> exactly 1500 bytes with IP and ICMP headers). 1473+ doesn't work
> ("packet loss").
Indeed, there is a bug. Traditional ping handles fragmented ICMP replies, Owl's somehow ignores it. This shouldn't happed. I'll debug it. Thanks, -- Vasiliy