[Bug 1813924] [NEW] System freezes when undocking or changing to external screen while docked

Public bug reported: With the recent kernel update yesterday (4.15.0-42), I am encountering complete system freezes related to the Lenovo docking station: 1) When I boot while docked, I get stuck at black screen late in boot sequence (after typing in disk decryption passphrase) 2) If I dock afte

[Bug 1813924] ProcCpuinfoMinimal.txt

apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234281/+files/ProcCpuinfoMinimal.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/

[Bug 1813924] CurrentDmesg.txt

apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234275/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924

[Bug 1813924] Lspci.txt

apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234277/+files/Lspci.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Title: Syst

[Bug 1813924] ProcCpuinfo.txt

apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234280/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924

[Bug 1813924] CRDA.txt

apport information ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234274/+files/CRDA.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Title: System

[Bug 1813924] ProcModules.txt

apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234284/+files/ProcModules.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924

[Bug 1813924] PulseList.txt

apport information ** Attachment added: "PulseList.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234285/+files/PulseList.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Titl

[Bug 1813924] IwConfig.txt

apport information ** Attachment added: "IwConfig.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234276/+files/IwConfig.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Title:

[Bug 1813924] RfKill.txt

apport information ** Attachment added: "RfKill.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234286/+files/RfKill.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Title: Sy

[Bug 1813924] ProcEnviron.txt

apport information ** Attachment added: "ProcEnviron.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234282/+files/ProcEnviron.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924

[Bug 1813924] Re: System freezes when undocking or changing to external screen while docked

apport information ** Tags added: apport-collected ** Description changed: With the recent kernel update yesterday (4.15.0-42), I am encountering complete system freezes related to the Lenovo docking station: 1) When I boot while docked, I get stuck at black screen late in boot sequenc

[Bug 1813924] Lsusb.txt

apport information ** Attachment added: "Lsusb.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234279/+files/Lsusb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Title: Syst

[Bug 1813924] ProcInterrupts.txt

apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234283/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/181

[Bug 1813924] UdevDb.txt

apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234287/+files/UdevDb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813924 Title: Sy

[Bug 1813924] WifiSyslog.txt

apport information ** Attachment added: "WifiSyslog.txt" https://bugs.launchpad.net/bugs/1813924/+attachment/5234288/+files/WifiSyslog.txt ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, whic

[Bug 1813663] Re: External monitors does not work anymore 4.15.0-44

I installed 4.15.0-45 using sudo apt install linux-image-4.15.0-45-generic/bionic-proposed linux- headers-4.15.0-45/bionic-proposed linux-cloud-tools-4.15.0-45-generic /bionic-proposed After rebooting into the proposed kernel, displaying and moving windows is very chubby and ubuntu does not find