Ok I finally got the time to test it on upstream kernel. $ uname -a Linux tignasse 4.15.0-041500rc9-generic #201801212130 SMP Mon Jan 22 02:31:37 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
# lsb_release -a LSB Version: core-9.20160110ubuntu5-amd64:core-9.20160110ubuntu5-noarch:printing-9.20160110ubuntu5-amd64:printing-9.20160110ubuntu5-noarch:security-9.20160110ubuntu5-amd64:security-9.20160110ubuntu5-noarch Distributor ID: Ubuntu Description: Ubuntu 17.10 Release: 17.10 Codename: artful The bug is still there, flooding my syslog very fast $ tail -f /var/log/syslog Jan 28 21:15:00 tignasse kernel: [ 115.269198] ACPI Error: Needed type [Reference], found [Integer] 00000000a4664840 (20170831/exresop-103) Jan 28 21:15:00 tignasse kernel: [ 115.269227] ACPI Exception: AE_AML_OPERAND_TYPE, While resolving operands for [Store] (20170831/dswexec-461) Jan 28 21:15:00 tignasse kernel: [ 115.269254] No Local Variables are initialized for Method [_Q50] Jan 28 21:15:00 tignasse kernel: [ 115.269260] No Arguments are initialized for method [_Q50] Jan 28 21:15:00 tignasse kernel: [ 115.269269] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.H_EC._Q50, AE_AML_OPERAND_TYPE (20170831/psparse-550) ** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs