This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- disco' to 'verification-done-disco'. If the problem still exists, change the tag 'verification-needed-disco' to 'verification-failed-disco'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-disco -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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 Committed 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. --- 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1842382/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
