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Message #10060
[Bug 1171940] Re: vgaswitcheroo on the Macbook Pro 8, 2
Whats the next step to SRU this for raring?
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https://bugs.launchpad.net/bugs/1171940
Title:
vgaswitcheroo on the Macbook Pro 8,2
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Hi
By default when you try and switch graphics card on a Macbook Pro 8,2 from the ATI card to the Intel card , the screen is blanked and never turned on. This is due to the driver not knowing about the LVDS Panel mode since the machine was started with the discrete card on.
This patch
http://cgit.freedesktop.org/~mlankhorst/linux/commit/?id=ae7b687c2a57ec50a9d3dde7b0a80a262fdc8c8
fixes graphics card switching.
I have applied this patch on the 3.9.1 and 3.8.2 upstream kernels and
it fixes the issue for me.
Could this possibly be fixed for S and be SRU'd for Raring?
---
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: shadeslayer 2556 F.... pulseaudio
/dev/snd/controlC0: shadeslayer 2556 F.... pulseaudio
DistroRelease: Ubuntu 13.04
HibernationDevice: RESUME=UUID=f6d8363f-0b01-42c3-b0bd-f859a365fd6c
InstallationDate: Installed on 2013-03-05 (49 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130304)
MachineType: Apple Inc. MacBookPro8,2
MarkForUpload: True
Package: linux (not installed)
ProcFB:
0 inteldrmfb
1 radeondrmfb
ProcKernelCmdLine: ro root=/dev/mapper/kubuntu--vg-root quiet splash initrd=\initrd.img-3.8.0-17-generic
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
RelatedPackageVersions:
linux-restricted-modules-3.8.0-17-generic N/A
linux-backports-modules-3.8.0-17-generic N/A
linux-firmware 1.106
Tags: raring
Uname: Linux 3.8.0-17-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 01/24/12
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP81.88Z.0047.B27.1201241646
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-94245A3940C91C80
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro8,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-94245A3940C91C80
dmi.modalias: dmi:bvnAppleInc.:bvrMBP81.88Z.0047.B27.1201241646:bd01/24/12:svnAppleInc.:pnMacBookPro8,2:pvr1.0:rvnAppleInc.:rnMac-94245A3940C91C80:rvrMacBookPro8,2:cvnAppleInc.:ct10:cvrMac-94245A3940C91C80:
dmi.product.name: MacBookPro8,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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