https://bugzilla.kernel.org/show_bug.cgi?id=77681
Bug ID: 77681
Summary: HP EliteBook 840 G1: 1.5 second delay before "ACPI:
Interpreter enabled"
Product: ACPI
Version: 2.5
Kernel Version: 3.15.0
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ACPICA-Core
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 139251
--> https://bugzilla.kernel.org/attachment.cgi?id=139251&action=edit
dmesg
On my HP EliteBook 840 G1 (Core i7-4600U, Haswell, latest BIOS 1.11) there is a
1.5 second delay in the boot process before the message "ACPI: Interpreter
enabled" appears. Nothing critical but seems like a bug.
...
[ 0.135906] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.152019] ACPI: SSDT 0x00000000BBDE2918 0003F3 (v01 PmRef Cpu0Cst
00003001 INTL 20110112)
[ 0.152747] ACPI: Dynamic OEM Table Load:
[ 0.152933] ACPI: SSDT 0x0000000000000000 0003F3 (v01 PmRef Cpu0Cst
00003001 INTL 20110112)
[ 0.156157] ACPI: SSDT 0x00000000BBDE3698 0005DB (v01 PmRef ApIst
00003000 INTL 20110112)
[ 0.157053] ACPI: Dynamic OEM Table Load:
[ 0.157236] ACPI: SSDT 0x0000000000000000 0005DB (v01 PmRef ApIst
00003000 INTL 20110112)
[ 0.160032] ACPI: SSDT 0x00000000BBDE1D98 000119 (v01 PmRef ApCst
00003000 INTL 20110112)
[ 0.160762] ACPI: Dynamic OEM Table Load:
[ 0.160945] ACPI: SSDT 0x0000000000000000 000119 (v01 PmRef ApCst
00003000 INTL 20110112)
[ 1.671017] ACPI: Interpreter enabled
...
I've attached the full dmesg, lspci, dmidecode and acpidump.
I can test kernel patches (preferably for Linux 3.15).
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