Thanks for following up, here's the log from dmesg. I've removed some audit logs that are non-applicable.
** Attachment added: "Kernel log" https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1823655/+attachment/5299986/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1823655 Title: Second SD card on RPi3 CM3 on Ubuntu Core 18 does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1823655/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
