I'm hitting this bug frequently on AWS with Ubuntu 16.04.5 LTS:
Linux uni02.sys.timedoctor.com 4.4.0-1063-aws #72-Ubuntu SMP Fri Jul 13 07:23:34 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
I'm hitting this bug frequently on AWS with Ubuntu 16.04.5 LTS:
Linux uni02.sys. timedoctor. com 4.4.0-1063-aws #72-Ubuntu SMP Fri Jul 13 07:23:34 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux