https://bugzilla.kernel.org/show_bug.cgi?id=44311
Summary: S3 wake up on Gigabyte M720-US3 causes reboot since
commit 2feec47d4c5f80b05f1650f5a24865718978eea4
Product: ACPI
Version: 2.5
Kernel Version: 3.4 and current git
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: acpi_power-sleep-w...@kernel-bugs.osdl.org
ReportedBy: m...@o2.pl
Regression: Yes
Created an attachment (id=75031)
--> (https://bugzilla.kernel.org/attachment.cgi?id=75031)
temporary workaround
When resuming from Suspend to RAM (S3) state on Gigabyte GA-M720-US3
motherboard with BIOS version F7n the computer reboots.
This happens since commit 2feec47d4c5f80b05f1650f5a24865718978eea4 (ACPICA:
ACPI 5: Support for new FADT SleepStatus, SleepControl registers) on (at least)
3.4 and current git.
If I define out disabling of BM arbitration on sleep introduced by this commit
the computer wakes up successfully on both 3.4 and current git.
The attached patch contains a temporary workaround that I use to make the S3
working again.
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