[Bug 1674532] Re: glibc update caused NSS ABI break

[Sean Leach]

I'm also seeing this issue replicated on 14.04.2 -

$ apt-cache show libc6 | grep Version
Version: 2.19-0ubuntu6.11
Version: 2.19-0ubuntu6

$cat /var/log/apt/history.log

...
Start-Date: 2017-03-21 07:11:13
Upgrade: libgnutls-openssl27:amd64 (2.12.23-12ubuntu2.6, 2.12.23-12ubuntu2.7), multiarch-support:amd64 (2.19-0ubuntu6.9, 2.19-0ubuntu6.10), libfreetype6:amd64 (2.5.2-1ubuntu2.5, 2.5.2-1ubuntu2.6), libc-dev-bin:amd64 (2.19-0ubuntu6.9, 2.19-0ubuntu6.10), libc-bin:amd64 (2.19-0ubuntu6.9, 2.19-0ubuntu6.10), libc6:amd64 (2.19-0ubuntu6.9, 2.19-0ubuntu6.10), libgnutls26:amd64 (2.12.23-12ubuntu2.6, 2.12.23-12ubuntu2.7), libc6-dev:amd64 (2.19-0ubuntu6.9, 2.19-0ubuntu6.10)
End-Date: 2017-03-21 07:11:31
...

Note some people suggesting a reboot will fix - in my case a reboot did
not permanently fix the issue, but did give me around 18 hours of
stability before performance was too poor to serve operationally.

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https://bugs.launchpad.net/bugs/1674532

Title:
  glibc update caused NSS ABI break

Status in eglibc package in Ubuntu:
  Invalid
Status in glibc package in Ubuntu:
  Fix Committed
Status in eglibc source package in Precise:
  Fix Released
Status in glibc source package in Precise:
  Invalid
Status in eglibc source package in Trusty:
  Fix Released
Status in glibc source package in Trusty:
  Invalid
Status in eglibc source package in Xenial:
  Invalid
Status in glibc source package in Xenial:
  Fix Released
Status in eglibc source package in Yakkety:
  Invalid
Status in glibc source package in Yakkety:
  Invalid

Bug description:
  After installing the libc6_2.19-0ubuntu6.10_amd64_udeb package during
  the automated install of ubuntu 14.04.5, the system was suddenly
  unable to resolve hostnames via dns. Installing -0ubuntu6.9 resolved
  the issue. Reinstalling -ubuntu6.10 broke the system again.

  I note that -ubuntu6.10 was recently added to the archive.

  I am currently unable to install Ubuntu 14.04.5.

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