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
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https://bugs.launchpad.net/bugs/1738736
Title:
ACPI error message flooding syslog
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