https://bugzilla.kernel.org/show_bug.cgi?id=45461
Summary: Samsung NP530U3B lid close does not suspend
Product: ACPI
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
I've installed Ubuntu 12.04 on my wife's laptop, (a Samsung NP530U3B), all goes
well except when I close the lid it does not suspend.
I've checked the settings and it is set to suspend on lid close, though does
not.
I'm relatively new to Ubuntu, though have some exposure to Linux through my job
as an embedded developer.
Things I've noticed are
1 - Clicking suspend in the power menu works fine.
2 - When I cat /proc/acpi/button/lid/LID0/state it always returns open, even
when closed, (I ran a script that looped the cat then closed the lid)
3 - Running the latest Ubuntu 12.10 alpha 2 does not work either.
4 - The latest mainstream kernel
'linux-image-3.5.0-999-generic_3.5.0-999.201207190406_i386' does not work
either.
5 - One odd thing was that after installing the latest bios on the laptop using
Windows 7, then restarting into Ubuntu worked once, then it never worked again.
I tried booting in to Windows then rebooting back in to Ubuntu to see if that
is what changed something but it did not work that time.
Any help would be much appreciated as she has already once put it back in her
laptop bag with it still running, it got very hot!
We both like Ubuntu over Windows, but I'm not sure it's safe to keep it on with
this bug.
I'm wiling to try anything that will help give clues to why it is not working.
On the advise of the Ubuntu bug team I have since tried kernel
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5-rc7-quantal/linux-image-3.5.0-030500rc7-generic_3.5.0-030500rc7.201207142035_i386.deb
and
https://launchpad.net/~canonical-kernel-team/+archive/ppa/+build/3635399/+files/linux-image-2.6.32-41-generic-pae_2.6.32-41.94_i386.deb
Neither make the suspend work.
Here is the link to the Ubuntu bug I raised
https://bugs.launchpad.net/bugs/1027368
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