---------- Forwarded message --------- From: Raj Bhattacharjea <ra...@gatech.edu> Date: Tue, 16 May 2017 at 10.23 Subject: libepoxy / libGLX_indirect issue on 16.04 To: C de-Avillez <hgg...@ubuntu.com>
Regarding: https://bugs.launchpad.net/ubuntu/+source/libepoxy/+bug/1574886 That bug and the related duplicates are present in 16.04 today. It boils down to a problem with libepoxy that I can verify is fixed in the zesty version of the package. I manually installed the zesty version of libepoxy using "dpkg -i" on my 16.04 LTS and the segfaults disappear. Triggering the segfault: Server: fully updated x86_64 Ubuntu 16.04, with an NVIDIA GPU and the current proprietary drivers, with a monitor plugged in and local session running. Client: Log in to server via "ssh -Y", and try running synaptic. The client terminal reports a segfault, and the display on the server prompts the user to file a bug report to help improve Ubuntu, saying that synaptic has crashed. My fix: install the zesty version of libepoxy on my xenial install. There have been some other workarounds suggested involving symlinks between libGLX libraries that don't exist, and the NVIDIA libraries that do, but these don't address the root issue, which is a null-pointer dereference in libepoxy that get's triggered when the libGLX libraries aren't found. This seems like a high-impact, major regression that should be fixed in the current LTS. Given that the zesty version of libepoxy fixes the issue, I'm requesting that the zesty package be properly tested against 16.04 LTS and eventually replace the current libepoxy package in the repos. Or, anything that has the net effect of pulling the patch ( https://github.com/anholt/libepoxy/commit/a15a92c2cbe0a8f45a1ff6258b22957c17c7118e ) into the Ubuntu 16.04 version of libepoxy is fine, I'm not sure how things need to be done. -- This message was sent from Launchpad by Raj Bhattacharjea (https://launchpad.net/~raj-b) using the "Contact this team's admins" link on the Ubuntu Bug Control team page (https://launchpad.net/~ubuntu-bugcontrol). For more information see https://help.launchpad.net/YourAccount/ContactingPeople -- ..hggdh..
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