https://bugs.documentfoundation.org/show_bug.cgi?id=156636
--- Comment #2 from Volker Zipp <v...@gmx.net> --- Thank you for your quick response. Upgrade to 7.5.5.2 carried out + reboot. Also tested both alternatives with Open CL on and off (no improvement). Conclusion: bug 156636 unfortunately persits. Regards Volker Zipp -- You are receiving this mail because: You are the assignee for the bug.