I also have this issue with Cosmic (4.18.0-13) and also with the latest upstream kernel:
$ uname -a Linux alaptop 5.0.0-050000rc1-generic #201901062130 SMP Mon Jan 7 02:32:47 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.10 Release: 18.10 Codename: cosmic $ tail /var/log/syslog Jan 11 09:26:07 alaptop kernel: [ 44.303945] ACPI Error: Needed type [Reference], found [Integer] 0000000006c06c7b (20181213/exresop-69) Jan 11 09:26:07 alaptop kernel: [ 44.303975] ACPI Error: AE_AML_OPERAND_TYPE, While resolving operands for [Store] (20181213/dswexec-427) Jan 11 09:26:07 alaptop kernel: [ 44.304003] No Local Variables are initialized for Method [_Q50] Jan 11 09:26:07 alaptop kernel: [ 44.304009] No Arguments are initialized for method [_Q50] Jan 11 09:26:07 alaptop kernel: [ 44.304020] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.H_EC._Q50, AE_AML_OPERAND_TYPE (20181213/psparse-531) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1738736 Title: ACPI error message flooding syslog To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1738736/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
