Thank you advice. but I do not use nomodeset option. I use ipv6.disable=1 option. please show attachment file(grub).
** Attachment added: "my boot option /etc/default/grub" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860196/+attachment/5321568/+files/grub -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860196 Title: kernel-5.3.0-26 could not use appliicatins on geforce 8600GTI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860196/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs