Public bug reported:
OS: Lucid 10.04.1 LTS, upgraded from Karmic 9.10
If too much information is sent to an unresponsive network connection,
the connection seems to 'fail' and stops working. The unresponsive
network connection is usually the result of a proxy or NAT router
restarting.
Steps to duplicate in 10.04:
1) set up "ping -f google.com -i 10"
2) set up "ping -f google.com -i 1"
3) restart router
Result: the flood ping with interval 10 will show one or two dropped packets
while the router is restarting, and then will show no further errors. The flood
ping with interval 1 will continue to show dropped packets after the router has
restarted, as too much information is in the connection buffer or something.
This also applies to IM connections (tested with Pidgin connected to
MSN). If update information is sent while the router is restarting, the
connection to the server 'stalls' and is only reset by the application
after 15 minutes. If no information is sent while the router is
restarting, the connection works fine immediately after the router has
finished restarting and connected to ISP.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: buffer connection overflow pidgin ping
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Application connections fail with overflow in Lucid 10.04
https://bugs.launchpad.net/bugs/605148
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