Public bug reported:
After suspend to RAM, while resume I receive black screen, and high-speed fans.
Nothing works, system seems to be stacked, Ctrl+Alt+F2 doesn't work, no
reaction for Caps/Scroll lock. Only "magic keys" works, or hard shutdown
holding "Power" button.
I use notebook Asus K40AB with 2 ATi videocards: integrated 3200 and discrete
4570. Bugs only appears when PowerXpress is on.
If I put PowerXpress off and set dGPU - suspend works well.
Using 3200 videocard for work (it's running X) and 4570 for some 3d (using
DRI_PRIME).
Setting OFF or ON at /sys/kernel/debug/vgaswitcheroo/switch doesn't make any
changes.
Ubuntu 12.10 with xorg-edgers/ppa (for xserver-xorg 1.13).
Tried to use pf-kernel 3.6.7 and 3.6.8, but still have the problem.
I think the problem is in GPU init, because without PowerXpress
everything is fine.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-17-generic 3.5.0-17.28
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ekzotech 1934 F.... pulseaudio
CRDA:
country RU:
(2402 - 2482 @ 40), (N/A, 20)
(5735 - 5835 @ 20), (N/A, 30)
CurrentDmesg:
[ 22.440539] vgaarb: device changed decodes:
PCI:0000:02:00.0,olddecodes=io+mem,decodes=none:owns=none
[ 22.440546] vgaarb: device changed decodes:
PCI:0000:01:05.0,olddecodes=io+mem,decodes=none:owns=io+mem
Date: Mon Dec 3 14:58:10 2012
HibernationDevice: RESUME=UUID=810dbdf9-49f5-4c9c-b09a-b27b6ac8d525
InstallationDate: Installed on 2012-11-27 (5 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: ASUSTeK Computer INC. K40AB
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ru_RU.UTF-8
SHELL=/bin/bash
ProcFB:
0 radeondrmfb
1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic
root=UUID=db8673a8-3607-4694-80a9-f3498929c953 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-17-generic N/A
linux-backports-modules-3.5.0-17-generic N/A
linux-firmware 1.97
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/13/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 220
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: K40AB
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.00
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTek Computer INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr220:bd11/13/2009:svnASUSTeKComputerINC.:pnK40AB:pvr1.0:rvnASUSTeKComputerINC.:rnK40AB:rvr1.00:cvnASUSTekComputerINC.:ct10:cvr1.0:
dmi.product.name: K40AB
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug quantal running-unity third-party-packages
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https://bugs.launchpad.net/bugs/1085837
Title:
[Asus K40AB] Resume from suspend to blank screen
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