Additional data point: I successfully deployed bionic 4.15.0-91 to dawes, a single-socket ThunderX Gigabyte system.
ubuntu@dawes:~$ uname -a
Linux dawes 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:10:16 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux
Note, however, that this issue was reported on wright, which is a 2-socket ThunderX system.
Sean has the only the only other 2-socket ThunderX system (recht) reserved, so I'm not able to test with that.
Additional data point: I successfully deployed bionic 4.15.0-91 to dawes, a single-socket ThunderX Gigabyte system.
ubuntu@dawes:~$ uname -a
Linux dawes 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:10:16 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux
Note, however, that this issue was reported on wright, which is a 2-socket ThunderX system.
Sean has the only the only other 2-socket ThunderX system (recht) reserved, so I'm not able to test with that.