apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1820811/+attachment/5247524/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1820811
Title:
Thunderbolt3 dock freezes X on hotplug when used with external
displays
Status in linux package in Ubuntu:
Confirmed
Bug description:
This bug is very similar to
https://bugs.launchpad.net/dell-sputnik/+bug/1752165 and has the same steps to
reproduce, but it's not related to nvidia drivers. I have Lenovo Thinkpad T480s
connected to a ThinkPad Thunderbolt 3 Dock. I have installed 4.15.0.46,
4.18.0.16 kernel. Both of these kernels have the issue. I followed this comment
https://bugs.launchpad.net/dell-sputnik/+bug/1752165/comments/41 and installed
4.20.6 from UKUU and the issue is gone.
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dmisharo 2223 F.... pulseaudio
/dev/snd/pcmC0D0p: dmisharo 2223 F...m pulseaudio
/dev/snd/controlC1: dmisharo 2223 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: KDE neon 18.04
HibernationDevice: RESUME=UUID=611a9c7d-fcaa-4717-b1d2-d89edca7e661
InstallationDate: Installed on 2018-11-25 (114 days ago)
InstallationMedia: neon user "Bionic" - Build amd64 LIVE Binary 20181122-05:40
MachineType: LENOVO 20L8S2N80E
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-16-generic
root=/dev/mapper/neon--vg-root ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20
RelatedPackageVersions:
linux-restricted-modules-4.18.0-16-generic N/A
linux-backports-modules-4.18.0-16-generic N/A
linux-firmware 1.173.3
Tags: bionic
Uname: Linux 4.18.0-16-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/18/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N22ET48W (1.25 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20L8S2N80E
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: RH0023049
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN22ET48W(1.25):bd07/18/2018:svnLENOVO:pn20L8S2N80E:pvrThinkPadT480s:rvnLENOVO:rn20L8S2N80E:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T480s
dmi.product.name: 20L8S2N80E
dmi.product.sku: LENOVO_MT_20L8_BU_Think_FM_ThinkPad T480s
dmi.product.version: ThinkPad T480s
dmi.sys.vendor: LENOVO
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