Thank you Joseph for your support. Concerninig the context of this issue: I had an old Ubuntu 12.04; I decided to upgrade it to 18.04 version and, in the same time, to upgrade the hardware of my old PC: Asus M/B AMD A320M-C (AM4) as motherboard, and AMD CPU Ryzen 3 2200G (AM4) as processor. This hardware upgrade was a mistake : -the kernel didn t manage very well the new Ryzen CPU+GPU processor: as system was very unstable, frozen at any time I finally had to install a graphic card to bypass the gpu included inside the Ryzen chip; automatically all problems dissapeared... -however I found out another issue: trying to restore my data stored in an external USB disk I realized that the kernel didn t detect 2.0 USB devices , and 3.0 USB devices were detected but followed just after by a system crash... I guess this is a issue with the new motherboard and/or its BIOS/UEFI (I could retrieve my data with ftp from another PC of my local network) I will try to follow your advice and test with the 4.17 kernel. Thank you again Enviado desde Yahoo Mail para Android El mar., 1 de may. de 2018 a la(s) 15:01, Joseph Salisbury<joseph.salisb...@canonical.com> escribió: Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.17 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc3 ** Changed in: linux (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are subscribed to the bug report. https://bugs.launchpad.net/bugs/1767667 Title: kernel crash in gnome environment Status in linux package in Ubuntu: Incomplete Bug description: Apr 28 10:30:44 tatanka gnome-system-mo[4199]: Allocating size to gnome-system-monitor 0x16542b0 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate? Apr 28 10:35:49 tatanka kernel: [52343.522224] gmc_v9_0_process_interrupt: 59 callbacks suppressed Apr 28 10:35:49 tatanka kernel: [52343.522230] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vm_id:3 pas_id:0) Apr 28 10:35:49 tatanka kernel: [52343.522239] amdgpu 0000:08:00.0: at page 0x0000000109400000 from 27 Apr 28 10:35:49 tatanka kernel: [52343.522243] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031 Apr 28 10:35:49 tatanka kernel: [52343.522252] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vm_id:3 pas_id:0) Apr 28 10:35:49 tatanka kernel: [52343.522255] amdgpu 0000:08:00.0: at page 0x0000000109403000 from 27 Apr 28 10:35:49 tatanka kernel: [52343.522258] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031 Apr 28 10:35:49 tatanka kernel: [52343.522266] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vm_id:3 pas_id:0) A (...) then all is freezed including ctrl+alt+F3 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.17 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CrashDB: ubuntu Date: Sat Apr 28 12:17:42 2018 InstallationDate: Installed on 2018-04-27 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767667/+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/1767667 Title: kernel crash in gnome environment Status in linux package in Ubuntu: Incomplete Bug description: Apr 28 10:30:44 tatanka gnome-system-mo[4199]: Allocating size to gnome-system-monitor 0x16542b0 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate? Apr 28 10:35:49 tatanka kernel: [52343.522224] gmc_v9_0_process_interrupt: 59 callbacks suppressed Apr 28 10:35:49 tatanka kernel: [52343.522230] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vm_id:3 pas_id:0) Apr 28 10:35:49 tatanka kernel: [52343.522239] amdgpu 0000:08:00.0: at page 0x0000000109400000 from 27 Apr 28 10:35:49 tatanka kernel: [52343.522243] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031 Apr 28 10:35:49 tatanka kernel: [52343.522252] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vm_id:3 pas_id:0) Apr 28 10:35:49 tatanka kernel: [52343.522255] amdgpu 0000:08:00.0: at page 0x0000000109403000 from 27 Apr 28 10:35:49 tatanka kernel: [52343.522258] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031 Apr 28 10:35:49 tatanka kernel: [52343.522266] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vm_id:3 pas_id:0) A (...) then all is freezed including ctrl+alt+F3 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.17 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CrashDB: ubuntu Date: Sat Apr 28 12:17:42 2018 InstallationDate: Installed on 2018-04-27 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767667/+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