Created attachment 118780 [details] backtrace Steps: 1) Open Writer 2) Insert a chart 3) Modify a data series by changing a color 4) Exit chart mode 5) Undo 6) Insert a new chart 7) getCurrentController Fatal Error Crash Version: 5.1.0.0.alpha1+ Build ID: 2639eadce4c9ccead9112a6893b5e9e2e0fefd78 TinderBox: Linux-rpm_deb-x86_64@70-TDF, Branch:master, Time: 2015-09-14_23:56:58 Locale: en-US (en_US.UTF-8)
Markus Mohrhard committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=33972dea7d8849842929060be8f970e090077e4c correctly dispose the chart sidebar when leaving chart, tdf#94292 It will be available in 5.1.0. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
I hope that this finally gets rid of all the strange crashes that were related to the chart sidebar and its strange lifecycle.