https://bugzilla.kernel.org/show_bug.cgi?id=54771
Summary: Laptop screen stays off after resuming from suspend
Product: ACPI
Version: 2.5
Kernel Version: 3.8.1
Platform: All
OS/Version: Linux
Tree: Fedora
Status: NEW
Severity: high
Priority: P1
Component: Power-Video
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: Yes
Created an attachment (id=94401)
--> (https://bugzilla.kernel.org/attachment.cgi?id=94401)
/Var/log/messages after resume
This is a regression introduced between 3.8.0 and 3.8.1, since 3.8.0 works fine
here.
On my HP Pavilion dm4-1170sf, after I suspending the laptop (by closing the
lid), the screen stays blank when opening it. The machine itself seems to
resume fine, as you can see in the attached log.
Note I've always needed to specify the "acpi_backlight=vendor" option on boot,
else the backlight would stay off, but this happened immediately on boot, not
only after suspending.
Please just ask if you need me to test e.g. a given revision.
I'm using Fedora 18.
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