Public bug reported: Ubuntu release: 18.04.4 LTS Package version: systemd 237-3ubuntu10.33
A simple journalctl command is now giving me this error Journal file /var/log/journal/ad9213e031ec2a16399a42515988884e/user-1001@ae426ac82df44a8489f745ad63e8c9ea-000000000000215f-0005848bb1ab0334.journal uses an unsupported feature, ignoring file. Use SYSTEMD_LOG_LEVEL=debug journalctl --file=/var/log/journal/ad9213e031ec2a16399a42515988884e/user-1001@ae426ac82df44a8489f745ad63e8c9ea-000000000000215f-0005848bb1ab0334.journal to see the details. -- No entries -- When I invoke the recommended command SYSTEMD_LOG_LEVEL=debug journalctl --file=/var/log/journal/ad9213e031ec2a16399a42515988884e/user-1001 @ae426ac82df44a8489f745ad63e8c9ea-000000000000215f- 0005848bb1ab0334.journal I get Journal effective settings seal=no compress=no compress_threshold_bytes=8B Journal file /var/log/journal/ad9213e031ec2a16399a42515988884e/user-1001@ae426ac82df44a8489f745ad63e8c9ea-000000000000215f-0005848bb1ab0334.journal uses incompatible flag lz4-compressed disabled at compilation time. Failed to open journal file /var/log/journal/ad9213e031ec2a16399a42515988884e/user-1001@ae426ac82df44a8489f745ad63e8c9ea-000000000000215f-0005848bb1ab0334.journal: Protocol not supported mmap cache statistics: 0 hit, 1 miss Failed to open files: Protocol not supported journalctl --version gives systemd 244 (244) -PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS -ACL +XZ -LZ4 -SECCOMP +BLKID -ELFUTILS -KMOD -IDN2 -IDN -PCRE2 default-hierarchy=unified Looks like someone has reported the same thing to redhat (https://bugzilla.redhat.com/show_bug.cgi?id=1778809) with no answers yet. Were logs previously lz4-compressed and now are not? ** Affects: systemd (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861990 Title: journalctl unable to read logs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1861990/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs