It looks like this bug is affecting me. Everything works fine, unless machine goes into suspend mode, then it just hangs.
This are messages since machine was suspended: ---------------- [ 588.442408] vgaarb: this pci device is not a vga device [ 588.667341] wlan0: deauthenticating from 00:21:29:8b:ba:f5 by local choice (Reason: 3=DEAUTH_LEAVING) [ 588.677027] cfg80211: Calling CRDA to update world regulatory domain [ 588.685198] cfg80211: World regulatory domain updated: [ 588.685206] cfg80211: DFS Master region: unset [ 588.685209] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 588.685214] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 588.685219] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 588.685222] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 588.685225] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 588.685229] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 588.722477] vgaarb: this pci device is not a vga device ^@^@^@^@^@^@^@^@^@ ------------------- Everything works fine if discrete card is disabled. lspci ------------- 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b) 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b) 00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b) 00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04) 00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04) 00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4) 00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4) 00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4) 00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04) 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10) 02:00.0 Network controller: Intel Corporation Wireless 3160 (rev 93) 03:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2) ------------- -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubuntu-drivers-common in Ubuntu. https://bugs.launchpad.net/bugs/1381175 Title: vgaarb module not patched Status in ubuntu-drivers-common package in Ubuntu: New Bug description: Basically, vga cannot detect NVIDIA cards as "VGA compatible controller", this is tested on a Optimus System. dmesg indicates that it's not a valid vga device: :~$ dmesg | grep vgaar [ 0.202410] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.202413] vgaarb: loaded [ 0.202414] vgaarb: bridge control possible 0000:00:02.0 [ 0.936062] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 532.414245] vgaarb: this pci device is not a vga device [ 533.778296] vgaarb: this pci device is not a vga device system:~$ uname -a Linux 3.16.0-10-generic #15-Ubuntu SMP Thu Aug 21 16:26:44 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux system:~$ lspci -nn 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) 01:00.0 3D controller [0302]: NVIDIA Corporation GK208M [GeForce GT 735M] [10de:1291] (rev ff) According to this: https://github.com/Bumblebee-Project/Bumblebee/issues/159 it's look like the patch for vgaarb is not in 14.10 more info: https://bugzilla.kernel.org/show_bug.cgi?id=63641 previous patch is on: http://pastebin.com/wpmFi38k Thanks. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1381175/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
