"I/O error, dev sdb, sector 82830936 flags 0" would seem to suggest this is a hardware error (physically defective storage media sdb), have you ruled this out, yet?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1862720 Title: kernel crash dump create error on Huawei server for 18.04.3 hwe-kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1862720/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
