https://bugzilla.kernel.org/show_bug.cgi?id=40672
Summary: ACPI support is broken on Lenovo Ideapad U455
Product: ACPI
Version: 2.5
Kernel Version: 3.0.1
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Config-Processors
AssignedTo: acpi_config-process...@kernel-bugs.osdl.org
ReportedBy: e-m...@date.by
CC: l...@kernel.org
Regression: No
Created an attachment (id=67872)
--> (https://bugzilla.kernel.org/attachment.cgi?id=67872)
acpidump output
Without any custom options my system boots, but it is unstable: screen
sometimes flickers, garbage appears in framebuffer, touchpad not always works
and sometimes kernel even crashes at boot time. With acpi=off everything boots
and works stable without any flickering and without garbage in framebuffer.
I've tried to boot with `acpi=ht`, but issues were still here.
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