From: Stephen Hemminger <stephen@networkplumber•org>
To: netdev@vger•kernel.org
Subject: Fw: [Bug 79891] New: Router causes TCP retransmits for windows hosts after "ip_forward: fix inverted local_df test"
Date: Thu, 10 Jul 2014 06:44:33 -0700 [thread overview]
Message-ID: <20140710064433.1fd17105@samsung-9> (raw)
Begin forwarded message:
Date: Thu, 10 Jul 2014 06:20:14 -0700
From: "bugzilla-daemon@bugzilla•kernel.org" <bugzilla-daemon@bugzilla•kernel.org>
To: "stephen@networkplumber•org" <stephen@networkplumber•org>
Subject: [Bug 79891] New: Router causes TCP retransmits for windows hosts after "ip_forward: fix inverted local_df test"
https://bugzilla.kernel.org/show_bug.cgi?id=79891
Bug ID: 79891
Summary: Router causes TCP retransmits for windows hosts after
"ip_forward: fix inverted local_df test"
Product: Networking
Version: 2.5
Kernel Version: 3.2.60
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: IPV4
Assignee: shemminger@linux-foundation•org
Reporter: tm@del•bg
Regression: No
Created attachment 142651
--> https://bugzilla.kernel.org/attachment.cgi?id=142651&action=edit
TCP retransmissions from a windows host
After upgrading a router to Linux 3.2.60 most windows machines behind it
started experiencing connection stalls. Downgrade to 3.2.59 resolved the
problem. Using git bisect I pinpointed it to
"59d9f389df3cdf72833d5ee17c3fe959b6bdc792 is the first bad commit", which
entered the kernel from here
http://marc.info/?l=linux-netdev&m=139949081418806&w=2
No connection problems for Linux hosts at all – only windows. Please, find
attached tcpdump packet capture demonstrating the bad behaviour.
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next reply other threads:[~2014-07-10 13:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-10 13:44 Stephen Hemminger [this message]
2014-07-10 17:11 ` Fw: [Bug 79891] New: Router causes TCP retransmits for windows hosts after "ip_forward: fix inverted local_df test" Cong Wang
2014-07-11 18:11 ` Ben Hutchings
2014-07-11 18:38 ` Cong Wang
2014-07-11 19:01 ` Ben Hutchings
2014-07-11 19:14 ` David Miller
2014-07-11 22:07 ` Florian Westphal
-- strict thread matches above, loose matches on Subject: below --
2014-07-11 5:50 Fw: " Teodor Milkov
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