I've since updated the machine in question to cosmic and no longer have an up-to-date bionic install.
The issue appears resolved though, and I have full, stable use of the eGPU. On Wed, Mar 6, 2019, 5:50 AM Kai-Heng Feng <kai.heng.f...@canonical.com> wrote: > Does this issue still happen on up-to-date Bionic? > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1807348 > > Title: > kernel BUG at arch/x86/mm/pat.c when authorising thunderbolt eGPU > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > Every time I authorise my thunderbolt 3 eGPU, and every subsequent > boot after authorising it the machine (well, at least Gnome/X/Wayland) > immediately hangs. This happened with a 18.04/bionic install too, as > well as with a 18.10/cosmic live-USB boot. > > > [drm] radeon kernel modesetting enabled. > radeon 0000:09:00.0: enabling device (0006 -> 0007) > [drm] initializing kernel modesetting (TAHITI 0x1002:0x679A > 0x174B:0xE210 0x00). > ATOM BIOS: TAHITI > [drm] GPU not posted. posting now... > [drm] Changing default dispclk from 500Mhz to 600Mhz > radeon 0000:09:00.0: VRAM: 3072M 0x0000000000000000 - 0x00000000BFFFFFFF > (3072M used) > radeon 0000:09:00.0: GTT: 2048M 0x00000000C0000000 - 0x000000013FFFFFFF > ------------[ cut here ]------------ > kernel BUG at arch/x86/mm/pat.c:549! > invalid opcode: 0000 [#1] SMP PTI > CPU: 1 PID: 2587 Comm: systemd-udevd Not tainted 4.18.0-11-generic > #12-Ubuntu > Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0058.2018.0911.1509 > 09/11/2018 > RIP: 0010:reserve_memtype+0x178/0x290 > > ProblemType: Bug > DistroRelease: Ubuntu 18.10 > Package: linux-image-4.18.0-12-generic 4.18.0-12.13 > ProcVersionSignature: Ubuntu 4.18.0-12.13-generic 4.18.17 > Uname: Linux 4.18.0-12-generic x86_64 > ApportVersion: 2.20.10-0ubuntu13.1 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: nick 1616 F.... pulseaudio > /dev/snd/controlC1: nick 1616 F.... pulseaudio > CurrentDesktop: ubuntu:GNOME > Date: Fri Dec 7 21:25:56 2018 > InstallationDate: Installed on 2018-11-23 (13 days ago) > InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 > (20181017.3) > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-12-generic > root=/dev/mapper/ubuntu--vg-root ro quiet splash intel_iommu=on vt.handoff=1 > RelatedPackageVersions: > linux-restricted-modules-4.18.0-12-generic N/A > linux-backports-modules-4.18.0-12-generic N/A > linux-firmware 1.175.1 > SourcePackage: linux > UpgradeStatus: No upgrade log present (probably fresh install) > dmi.bios.date: 09/11/2018 > dmi.bios.vendor: Intel Corp. > dmi.bios.version: KYSKLi70.86A.0058.2018.0911.1509 > dmi.board.name: NUC6i7KYB > dmi.board.vendor: Intel Corporation > dmi.board.version: H90766-405 > dmi.chassis.type: 3 > dmi.chassis.vendor: Intel Corporation > dmi.chassis.version: 1.0 > dmi.modalias: > dmi:bvnIntelCorp.:bvrKYSKLi70.86A.0058.2018.0911.1509:bd09/11/2018:svn:pn:pvr:rvnIntelCorporation:rnNUC6i7KYB:rvrH90766-405:cvnIntelCorporation:ct3:cvr1.0: > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1807348/+subscriptions > -- 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/1807348 Title: kernel BUG at arch/x86/mm/pat.c when authorising thunderbolt eGPU Status in linux package in Ubuntu: Confirmed Bug description: Every time I authorise my thunderbolt 3 eGPU, and every subsequent boot after authorising it the machine (well, at least Gnome/X/Wayland) immediately hangs. This happened with a 18.04/bionic install too, as well as with a 18.10/cosmic live-USB boot. [drm] radeon kernel modesetting enabled. radeon 0000:09:00.0: enabling device (0006 -> 0007) [drm] initializing kernel modesetting (TAHITI 0x1002:0x679A 0x174B:0xE210 0x00). ATOM BIOS: TAHITI [drm] GPU not posted. posting now... [drm] Changing default dispclk from 500Mhz to 600Mhz radeon 0000:09:00.0: VRAM: 3072M 0x0000000000000000 - 0x00000000BFFFFFFF (3072M used) radeon 0000:09:00.0: GTT: 2048M 0x00000000C0000000 - 0x000000013FFFFFFF ------------[ cut here ]------------ kernel BUG at arch/x86/mm/pat.c:549! invalid opcode: 0000 [#1] SMP PTI CPU: 1 PID: 2587 Comm: systemd-udevd Not tainted 4.18.0-11-generic #12-Ubuntu Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0058.2018.0911.1509 09/11/2018 RIP: 0010:reserve_memtype+0x178/0x290 ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: linux-image-4.18.0-12-generic 4.18.0-12.13 ProcVersionSignature: Ubuntu 4.18.0-12.13-generic 4.18.17 Uname: Linux 4.18.0-12-generic x86_64 ApportVersion: 2.20.10-0ubuntu13.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: nick 1616 F.... pulseaudio /dev/snd/controlC1: nick 1616 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Fri Dec 7 21:25:56 2018 InstallationDate: Installed on 2018-11-23 (13 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-12-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash intel_iommu=on vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.18.0-12-generic N/A linux-backports-modules-4.18.0-12-generic N/A linux-firmware 1.175.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/11/2018 dmi.bios.vendor: Intel Corp. dmi.bios.version: KYSKLi70.86A.0058.2018.0911.1509 dmi.board.name: NUC6i7KYB dmi.board.vendor: Intel Corporation dmi.board.version: H90766-405 dmi.chassis.type: 3 dmi.chassis.vendor: Intel Corporation dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnIntelCorp.:bvrKYSKLi70.86A.0058.2018.0911.1509:bd09/11/2018:svn:pn:pvr:rvnIntelCorporation:rnNUC6i7KYB:rvrH90766-405:cvnIntelCorporation:ct3:cvr1.0: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1807348/+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
