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[Bug 1328975] Re: libc6: getaddrinfo() sends DNS queries to random file descriptors

 

Additionally, attempting to bring in utopic libc to fix the bug causes
dependency resolution problems down the road.  Both the trusty python3
and Xamarin Mono repositories then start to fail with messages like:

The following packages have unmet dependencies:
nuget : Depends: libnuget-core-cil (= 2.8.7+md510+dhx1-0xamarin1) but it is not going to be installed
Depends: libmono-corlib4.5-cil (>= 4.0.0~alpha1) but 3.2.8+dfsg-4ubuntu1 is to be installed
Depends: libmono-microsoft-build-framework4.0-cil (>= 3.6.0) but 3.2.8+dfsg-4ubuntu1 is to be installed
Depends: libmono-microsoft-build4.0-cil (>= 3.6.0) but 3.2.8+dfsg-4ubuntu1 is to be installed
Depends: libmono-system-core4.0-cil (>= 4.0.0~alpha1) but 3.2.8+dfsg-4ubuntu1 is to be installed
Depends: libmono-system4.0-cil (>= 4.0.0~alpha1) but 3.2.8+dfsg-4ubuntu1 is to be installed
[91mE: Unable to correct problems, you have held broken packages. [0m [91m

This is an extremely frustrating situation to be in, our application is
crashing almost daily due to this issue, and we seem to have no
supported path forward.

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https://bugs.launchpad.net/bugs/1328975

Title:
  libc6: getaddrinfo() sends DNS queries to random file descriptors

Status in eglibc package in Ubuntu:
  Invalid
Status in glibc package in Ubuntu:
  Fix Released
Status in eglibc source package in Trusty:
  Confirmed
Status in glibc source package in Trusty:
  Invalid

Bug description:
  There is an upstream report for debian here https://bugs.debian.org
  /cgi-bin/bugreport.cgi?bug=722075 which has been fixed in eglibc
  2.19.1 which is now in debian jessie/sid.  See that upstream report
  for a short program which replicates the bug.  I was able to replicate
  the bug on Ubuntu 14.04 using that test script.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: libc6 2.19-0ubuntu6
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  Date: Wed Jun 11 16:32:43 2014
  Dependencies:
   gcc-4.9-base 4.9-20140406-0ubuntu1
   libc6 2.19-0ubuntu6
   libgcc1 1:4.9-20140406-0ubuntu1
   multiarch-support 2.19-0ubuntu6
  Ec2AMI: ami-30837058
  Ec2AMIManifest: ubuntu-us-east-1/images/ubuntu-trusty-14.04-amd64-server-20140607.1.manifest.xml
  Ec2AvailabilityZone: us-east-1a
  Ec2InstanceType: c3.2xlarge
  Ec2Kernel: aki-919dcaf8
  Ec2Ramdisk: unavailable
  ProcEnviron:
   TERM=xterm-color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: eglibc
  UpgradeStatus: No upgrade log present (probably fresh install)

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