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Hi,
I have a Asus N55SF (Intel HD and Nvidia GT555M with Optimus).
When my screen wakes up after DPMS off (I mean only the screen suspend, not the system one), it's totally white, and I see leds becoming grey then black (like a cloud). Then it stays like this, the only way I found to make it working again is to put the computer in sleep mode and wake it up.
I can reproduce it, just waiting for the screen to turn off, or manually typing:
$ xset -display :0 dpms force offI found a similar issue here: http://www.linuxquestions.org/questions … ost4501106
Any idea?
Here's some computer specs:
[grubshka@octave trunk]$ lspci -v
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: agpgart-intel
Kernel modules: intel-agp
00:01.0 PCI bridge: Intel Corporation 2nd Generation Core Processor Family PCI Express Root Port (rev 09) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: da000000-dc0fffff
Prefetchable memory behind bridge: 00000000c0000000-00000000d3ffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
Kernel modules: shpchp
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 2050
Flags: bus master, fast devsel, latency 0, IRQ 56
Memory at dc400000 (64-bit, non-prefetchable) [size=4M]
Memory at b0000000 (64-bit, prefetchable) [size=256M]
I/O ports at e000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
00:16.0 Communication controller: Intel Corporation 6 Series Chipset Family MEI Controller #1 (rev 04)
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at df00b000 (64-bit, non-prefetchable) [size=16]
Capabilities: <access denied>
Kernel driver in use: mei
Kernel modules: mei
00:1a.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) (prog-if 20 [EHCI])
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: bus master, medium devsel, latency 0, IRQ 16
Memory at df008000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd
00:1b.0 Audio device: Intel Corporation 6 Series Chipset Family High Definition Audio Controller (rev 05)
Subsystem: ASUSTeK Computer Inc. Device 1b73
Flags: bus master, fast devsel, latency 0, IRQ 55
Memory at df000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 1 (rev b5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 0000c000-0000cfff
Memory behind bridge: de600000-deffffff
Prefetchable memory behind bridge: 00000000d6200000-00000000d6bfffff
Capabilities: <access denied>
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 2 (rev b5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000b000-0000bfff
Memory behind bridge: ddc00000-de5fffff
Prefetchable memory behind bridge: 00000000d5700000-00000000d60fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 4 (rev b5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: 0000a000-0000afff
Memory behind bridge: dd200000-ddbfffff
Prefetchable memory behind bridge: 00000000d4c00000-00000000d55fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.5 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 6 (rev b5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
I/O behind bridge: 00009000-00009fff
Memory behind bridge: dc800000-dd1fffff
Prefetchable memory behind bridge: 00000000d4100000-00000000d4afffff
Capabilities: <access denied>
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) (prog-if 20 [EHCI])
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at df007000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05)
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: bus master, medium devsel, latency 0
Capabilities: <access denied>
Kernel modules: iTCO_wdt
00:1f.2 SATA controller: Intel Corporation 6 Series Chipset Family 6 port SATA AHCI Controller (rev 05) (prog-if 01 [AHCI 1.0])
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 53
I/O ports at e0b0 [size=8]
I/O ports at e0a0 [size=4]
I/O ports at e090 [size=8]
I/O ports at e080 [size=4]
I/O ports at e060 [size=32]
Memory at df006000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation 6 Series Chipset Family SMBus Controller (rev 05)
Subsystem: ASUSTeK Computer Inc. Device 1347
Flags: medium devsel, IRQ 18
Memory at df005000 (64-bit, non-prefetchable) [size=256]
I/O ports at e040 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c-i801
01:00.0 VGA compatible controller: nVidia Corporation Device 1247 (rev a1) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 2050
Flags: fast devsel, IRQ 16
Memory at da000000 (32-bit, non-prefetchable) [size=32M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at d0000000 (64-bit, prefetchable) [size=64M]
I/O ports at d000 [size=128]
Expansion ROM at dc000000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel modules: nvidiafb, nvidia, nouveau
03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030 (rev 34)
Subsystem: Intel Corporation Centrino Wireless-N 1030 BGN
Flags: bus master, fast devsel, latency 0, IRQ 54
Memory at ddc00000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlagn
Kernel modules: iwlagn
04:00.0 USB Controller: Device 1b21:1042 (prog-if 30 [XHCI])
Subsystem: ASUSTeK Computer Inc. Device 1059
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at dd200000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
Kernel modules: xhci-hcd
05:00.0 Ethernet controller: Atheros Communications Device 1083 (rev c0)
Subsystem: ASUSTeK Computer Inc. Device 1851
Flags: bus master, fast devsel, latency 0, IRQ 57
Memory at dc800000 (64-bit, non-prefetchable) [size=256K]
I/O ports at 9000 [size=128]
Capabilities: <access denied>
Kernel driver in use: atl1c
Kernel modules: atl1cLast edited by grubshka (2011-11-10 21:05:40)
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This seems to be fixed now. In the last update, kernel and drivers (and a lot of things) were updated, so I don't know which one fixed the bug...
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