Public bug reported:
When using dual monitors, one connected to the dvi port, and one connected to
the display port,
and when nxclient 3.5.0-7 is running, the kernel will lock up about once a day,
sometimes more often.
after it has locked up, the mouse cursor doesn't move, caps lock doesn't toggle
the keyboard light, the pc can't be pinged,
there is nothing written in the logs about the crash.
If nxclient isn't running, it doesn't lock up. I don't think it has
locked up since switching to vga and dvi.
I believe this is a skylake problem. I'm able to help test and debug if
required and given instructions.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-34-generic 4.2.0-34.39
ProcVersionSignature: Ubuntu 4.2.0-34.39-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: michael 1805 F.... pulseaudio
CurrentDesktop: GNOME
Date: Tue Mar 29 12:26:58 2016
HibernationDevice: RESUME=UUID=d420eadc-7df8-467a-a6f6-f8e02376eb4a
InstallationDate: Installed on 2016-01-12 (76 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
IwConfig:
enp3s0 no wireless extensions.
lo no wireless extensions.
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120
Bus 001 Device 004: ID 046d:c03d Logitech, Inc. M-BT96a Pilot Optical Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-34-generic
root=/dev/mapper/ubuntu--vg-root ro i915.preliminary_hw_support=1 i915.ips=0
quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-34-generic N/A
linux-backports-modules-4.2.0-34-generic N/A
linux-firmware 1.149.3
RfKill:
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/16/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0902
dmi.board.asset.tag: Default string
dmi.board.name: H170M-E D3
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0902:bd11/16/2015:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170M-ED3:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1563146
Title:
lockup when using DVI and display port with skylake
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