There are no deb packages in the first link (rc1). The rc2 version started and worked without problem with the dock and the two screens.
** Attachment added: "journalctl.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1940113/+attachment/5521666/+files/journalctl.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1940113 Title: Linux 5.11.0-25 & 5.11.0-27 panic when boot with thunderbolt dock connected Status in linux package in Ubuntu: Confirmed Bug description: Hello, My laptop run well with last 5.4 linux kernel even if I connect my thunderbolt dock. When trying to boot with 5.11.0-25 or 5.11.0-27 (hwe) kernel with dock and 2 monitors connected, the kernel panic after 3 or 4 seconds. Without the dock, he work fine. After a lot of try, I was able to boot sometime on 5.11 with the dock, but randomly and only if I only connect 1 extra monitor (I usually use two). --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jmaillar 1988 F.... pulseaudio /dev/snd/controlC1: jmaillar 1988 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: GNOME DistroRelease: Ubuntu 20.04 EcryptfsInUse: Yes HibernationDevice: RESUME=none MachineType: Dell Inc. Precision 7530 Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-27-generic root=UUID=b21fab6e-02fe-4295-a308-9da15f339a36 ro ProcVersionSignature: Ubuntu 5.11.0-27.29~20.04.1-generic 5.11.22 RelatedPackageVersions: linux-restricted-modules-5.11.0-27-generic N/A linux-backports-modules-5.11.0-27-generic N/A linux-firmware 1.187.15 Tags: focal Uname: Linux 5.11.0-27-generic x86_64 UpgradeStatus: Upgraded to focal on 2020-04-20 (483 days ago) UserGroups: adm audio cdrom dip disk input kismet kvm libvirt libvirtd lpadmin lxd netdev plugdev sambashare sudo systemd-network users vboxusers video wireshark _MarkForUpload: True dmi.bios.date: 05/25/2021 dmi.bios.release: 1.16 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.16.1 dmi.board.name: 0425K7 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.16.1:bd05/25/2021:br1.16:svnDellInc.:pnPrecision7530:pvr:rvnDellInc.:rn0425K7:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Precision dmi.product.name: Precision 7530 dmi.product.sku: 0831 dmi.sys.vendor: Dell Inc. modified.conffile..etc.default.apport: # set this to 0 to disable apport, or to 1 to enable it # you can temporarily override this with # sudo service apport start force_start=1 enabled=0 mtime.conffile..etc.default.apport: 2015-11-27T14:42:56.796345 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1940113/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp