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Message #109896
[Bug 609348] Re: Network connections crash from overflow when unresponsive
Running that command gave this output:
(process:27099): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
(granted authorization)
dpkg-query: no packages found matching linux
Nothing was happening so I stopped the process. I filed this under
"linux" because I wasn't sure where else to file it.
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https://bugs.launchpad.net/bugs/609348
Title:
Network connections crash from overflow when unresponsive
Status in linux package in Ubuntu:
Expired
Bug description:
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.
Also tested this on 10.04 32-bit from a Live usb. First test with 10-sec interval stalled when restarting router, but with a 20-sec interval, there was only one missed packet and then resumed normal operation. Meanwhile the 1-sec interval ping completely stalled even after the router finished restarting.
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