Maybe same bug as here https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1810416 ?
Some really good dev found at fist a nice workaround that work fine for me: https://patchwork.kernel.org/patch/11088719/ And here there a final patch to try: https://patchwork.kernel.org/patch/11116271/ Here, the topic on bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202473 Big thanks ** Bug watch added: Linux Kernel Bug Tracker #202473 https://bugzilla.kernel.org/show_bug.cgi?id=202473 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826869 Title: Can't mount High Speed SDXC Card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826869/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs