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From: "siddhesh at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug network/14307] getaddrinfo() sends superfluous DNS requests in x86_64 programs when answer contains CNAME
Date: Fri, 29 Jun 2012 12:30:00 -0000 [thread overview]
Message-ID: <bug-14307-131-9mgz6ANPCi@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-14307-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14307
Siddhesh Poyarekar <siddhesh at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at sourceware |siddhesh at redhat dot com
|dot org |
--- Comment #2 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-06-29 12:30:36 UTC ---
Reproducible on HEAD.
The size of the response is what seems to be causing the second query -- 6 or
more seems to be the trigger. My initial guess was that the first lookup led to
an ERANGE internally, resulting in the second query, but that should have
happened for 32-bit as well. So this might well be something else. This has
nothing to do with whether there is a CNAME in the response.
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next prev parent reply other threads:[~2012-06-29 12:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-29 0:04 [Bug network/14307] New: getaddrinfo() triggers duplicate DNS requests " jvb127 at gmail dot com
2012-06-29 6:05 ` [Bug network/14307] " jvb127 at gmail dot com
2012-06-29 6:10 ` [Bug network/14307] getaddrinfo() sends superfluous DNS requests in x86_64 programs " jvb127 at gmail dot com
2012-06-29 11:10 ` siddhesh at redhat dot com
2012-06-29 12:30 ` siddhesh at redhat dot com [this message]
2012-06-29 16:06 ` [Bug network/14307] getaddrinfo() sends superfluous DNS requests in x86_64 programs for certain hostnames jvb127 at gmail dot com
2012-06-30 2:23 ` jvb127 at gmail dot com
2012-06-30 3:16 ` jvb127 at gmail dot com
2012-06-30 5:35 ` jvb127 at gmail dot com
2012-06-30 15:09 ` jvb127 at gmail dot com
2012-07-02 2:22 ` siddhesh at redhat dot com
2012-07-12 6:05 ` siddhesh at redhat dot com
2014-02-16 19:32 ` jackie.rosen at hushmail dot com
2014-05-28 19:42 ` schwab at sourceware dot org
2014-06-18 4:31 ` fweimer at redhat dot com
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