Could you give details on what you do exactly? Is adding tabs enough? Or do you need to open existing documents? Do you save same or do editing without saving in a way that should trigger the 'do you want to save before exiting' dialog?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gedit in Ubuntu. https://bugs.launchpad.net/bugs/1817459 Title: gedit assert failure: corrupted size vs. prev_size Status in gedit package in Ubuntu: New Bug description: Third failure of this type. Occurs when editing one or more files and using the window close "X" to terminate. ProblemType: Crash DistroRelease: Ubuntu 19.04 Package: gedit 3.31.90-1build1 ProcVersionSignature: Ubuntu 4.19.0-13.14-generic 4.19.20 Uname: Linux 4.19.0-13-generic x86_64 ApportVersion: 2.20.10-0ubuntu21 Architecture: amd64 AssertionMessage: corrupted size vs. prev_size CurrentDesktop: ubuntu:GNOME Date: Sun Feb 24 07:13:25 2019 ExecutablePath: /usr/bin/gedit InstallationDate: Installed on 2019-02-06 (17 days ago) InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190203) ProcCmdline: /usr/bin/gedit --gapplication-service ProcEnviron: SHELL=/bin/bash XDG_RUNTIME_DIR=<set> PATH=(custom, no user) LANG=en_US.UTF-8 Signal: 6 SourcePackage: gedit StacktraceTop: __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f34c797ec00 "%s\n") at ../sysdeps/posix/libc_fatal.c:181 malloc_printerr (str=str@entry=0x7f34c797cc9a "corrupted size vs. prev_size") at malloc.c:5336 malloc_consolidate (av=av@entry=0x7f34c79b5c40 <main_arena>) at malloc.c:4442 _int_free (av=av@entry=0x7f34c79b5c40 <main_arena>, p=0x5641963c0fd0, have_lock=have_lock@entry=1) at malloc.c:4348 _int_realloc (av=av@entry=0x7f34c79b5c40 <main_arena>, oldp=oldp@entry=0x5641963bcfc0, oldsize=oldsize@entry=32784, nb=nb@entry=16400) at malloc.c:4636 Title: gedit assert failure: corrupted size vs. prev_size UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo separator: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gedit/+bug/1817459/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp