** Summary changed:

- New libepoxy0 causes hang at boot for AMDGPU-PRO
+ [SRU] New libepoxy0 causes hang at boot for AMDGPU-PRO

** Tags added: regression-proposed regression-release

** Description changed:

+ [Impact] 
+ * Updating libepoxy with the updates pocket (xenial) and the -proposed pocket 
(zesty) breaks systems with AMDGPU-PRO proprietary drivers
+ 
+ [Test Case]
+ * Have that driver/card
+ 
+ [Regression Potential] 
+ * None, I'm disabling a patch that I introduced in the last SRU.
+ * Debian opened an RC bug and will fix the same in the next point release,
+ and I'm discussing with upstream to revert that patch (they should have 
already reverted it)
+ * I just updated it to artful and Debian will follow in a few hours I guess
+ 
+ [Other info]
+ 
  When updating my Xubuntu 16.04.2 system today the upgrade from libepoxy0
  1.3.1-1 to libepoxy0 1.3.1-1ubuntu0.16.04.1 caused my system to hang
  right before the login screen.
  
  Unfortunately since this was a complete system lock up I can't provide
  any logs as I had to restore the entire root partition from backup.
  Since I can't get system recovery mode to work (it's been broken for a
  few years and times out within two minutes) it doesn't give me enough
  time gather any logs before it exits. I understand the system recovery
  problem is known, but I've tried all the solutions I could over the
  years, on multiple systems, and just can't get it to work without timing
  out anymore.
  
  In any case I verified the problem was libepoxy0 by applying all the
  available updates except libexpoxy0 and rebooting without any problems.
  I then allowed the upgrade of libepoxy0, libepoxy0:i386, and libeepoxy-
  dev and the system hung at boot as previously described. I went through
  the same procedure twice to confirm.
  
  I'm running kernel 4.9.31-040931-lowlatency with AMDGPU-PRO 16.50
  patched drivers, with all system updates. If you need more information
  please contact me and I'll get you anything I can. But as I said, since
  the system locks up I'm not sure what else I can garner.
  
  lsb_release -rd:
  Description:  Ubuntu 16.04.2 LTS
  Release:      16.04
  
  apt-cache policy libepoxy0:
  libepoxy0:
-   Installed: 1.3.1-1
-   Candidate: 1.3.1-1ubuntu0.16.04.1
-   Version table:
-      1.3.1-1ubuntu0.16.04.1 500
-         500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
-  *** 1.3.1-1 500
-         500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
-         100 /var/lib/dpkg/status
+   Installed: 1.3.1-1
+   Candidate: 1.3.1-1ubuntu0.16.04.1
+   Version table:
+      1.3.1-1ubuntu0.16.04.1 500
+         500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
+  *** 1.3.1-1 500
+         500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
+         100 /var/lib/dpkg/status

** Changed in: libepoxy (Ubuntu Zesty)
       Status: New => Confirmed

-- 
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which is subscribed to libepoxy in Ubuntu.
https://bugs.launchpad.net/bugs/1698233

Title:
  [SRU] New libepoxy0 causes hang at boot for AMDGPU-PRO

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