** Changed in: linux (Ubuntu Disco)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1842382
Title:
/proc/self/maps paths missing on live session (was vlc won't start;
eoan 19.10 & bionic 18.04 ubuntu/lubuntu/kubuntu/xubuntu/ubuntu-mate
dailies)
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Disco:
Fix Released
Status in linux source package in Eoan:
Fix Committed
Bug description:
SRU Justification
Impact: A patch to enable mounting overlayfs over shiftfs introduced a
regression in /proc/pid/maps when a proc mount over an overlayfs mount
is accessed from within a chroot. All paths within the file are /
instead of paths to the files backing memory-mapped regions. This is
causing issues in several different configurations.
Fix: Revert the offending patch.
Test Case: A simple reproducer can be found attached in lp1842382.sh.
Regression Potential: This reverts to the previous behavior. Mounting
overlayfs over shiftfs will not work until a fixed patch is applied.
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Using Lubuntu 19.10 daily 'live' : (later confirmed with
Ubuntu/kubuntu/xubuntu too if `vlc` is added if not already present)
From menu option, from pcmanfm-qt (trying to open an appropriate file), or
from terminal I've been unable to start vlc.
lubuntu@lubuntu:~$ vlc
VLC media player 3.0.8 Vetinari (revision 3.0.8-0-gf350b6b5a7)
lubuntu@lubuntu:~$
No crash reports are visible (/var/crash/ is empty) and I see no
reason, but I cannot get vlc to play files, or open. I'll continue to
explore as I'm able.
QA-test on lenovo thinkpad x201 (i5-m520, 4gb, i915)
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: vlc 3.0.8-2
ProcVersionSignature: Ubuntu 5.2.0-15.16-generic 5.2.9
Uname: Linux 5.2.0-15-generic x86_64
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
CasperVersion: 1.415
CurrentDesktop: LXQt
Date: Tue Sep 3 06:03:17 2019
LiveMediaBuild: Lubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190902)
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)
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