More info about my system: $ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 23 model : 17 model name : AMD Ryzen 5 2400G with Radeon Vega Graphics stepping : 0 microcode : 0x810100b cpu MHz : 3531.252 cache size : 512 KB physical id : 0 siblings : 8 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx hw_pstate sme ssbd sev ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca bugs : sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypass bogomips : 7400.52 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 43 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14]
$ glxinfo | grep Mesa client glx vendor string: Mesa Project and SGI OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.2.2 OpenGL version string: 4.4 (Compatibility Profile) Mesa 18.2.2 OpenGL ES profile version string: OpenGL ES 3.2 Mesa 18.2.2 -- 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/1804505 Title: Kubuntu 18.04.01 - Ryzen 2400G / AMDGPU - Random system freezes Status in linux package in Ubuntu: Incomplete Bug description: I am experiencing some stray lockups which are most likely related to AMDGPU. There is no apparent logic in the pattern with wich the system hangs and I cannot provide any steps to reproduce the problem. One time it happened as I clicked a link in Firefox, new tab opened and the system froze. Another time, Firefox was not open and I was about to edit a text file by clicking "F4 Edit" in Krusader and the system froze. When the system freezes, it is completely unresponsive and there are no other options than to reset and reboot. The system generates no error reports as far as I can figure out and the only apparent info are some entries in the syslog. I have appended relevant info below, if further info may be needed please ask :) [b]inxi -Fz[/b] System: Host: computername Kernel: 4.19.1-041901-generic x86_64 bits: 64 Desktop: KDE Plasma 5.12.6 Distro: Ubuntu 18.04.1 LTS Machine: Device: desktop Mobo: ASUSTeK model: PRIME A320M-A v: Rev X.0x serial: N/A UEFI: American Megatrends v: 4023 date: 08/20/2018 Battery hidpp__0: charge: 80% condition: NA/NA Wh CPU: Quad core AMD Ryzen 5 2400G with Radeon Vega Graphics (-MT-MCP-) cache: 2048 KB clock speeds: max: 3600 MHz 1: 1454 MHz 2: 1418 MHz 3: 1419 MHz 4: 1419 MHz 5: 1419 MHz 6: 1419 MHz 7: 1436 MHz 8: 1582 MHz Graphics: Card: Advanced Micro Devices [AMD/ATI] Vega [Radeon Vega 8 Mobile] Display Server: x11 (X.Org 1.19.6 ) drivers: ati,amdgpu (unloaded: modesetting,fbdev,vesa,radeon) Resolution: 1680x1050@59.88hz OpenGL: renderer: AMD RAVEN (DRM 3.27.0 / 4.19.1-041901-generic, LLVM 6.0.0) version: 4.5 Mesa 18.0.5 Audio: Card-1 Advanced Micro Devices [AMD] Device 15e3 driver: snd_hda_intel Card-2 Advanced Micro Devices [AMD/ATI] Device 15de driver: snd_hda_intel Sound: Advanced Linux Sound Architecture v: k4.19.1-041901-generic Network: Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169 IF: enp5s0 state: up speed: 100 Mbps duplex: full mac: <filter> Drives: HDD Total Size: 250.1GB (26.2% used) ID-1: /dev/nvme0n1 model: Samsung_SSD_970_EVO_250GB size: 250.1GB Partition: ID-1: / size: 228G used: 61G (29%) fs: ext4 dev: /dev/nvme0n1p2 RAID: No RAID devices: /proc/mdstat, md_mod kernel module present Sensors: System Temperatures: cpu: N/A mobo: N/A gpu: 26.0 Fan Speeds (in rpm): cpu: 0 Info: Processes: 232 Uptime: 22 min Memory: 1176.8/6960.8MB Client: Shell (bash) inxi: 2.3.56 [b]SYSLOG[/b] Prior to the first relevant entry posted here is a CRON entry @ 13:18:01 which seems unrelated to the issue. All entries where preceeded with "Nov 21 13:23:13 computername kernel: ": [ 4335.012512] gmc_v9_0_process_interrupt: 13 callbacks suppressed [ 4335.012516] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012516] ) [ 4335.012521] amdgpu 0000:08:00.0: at address 0x0000000101c0d000 from 27 [ 4335.012523] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012530] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012530] ) [ 4335.012532] amdgpu 0000:08:00.0: at address 0x0000000101c11000 from 27 [ 4335.012534] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012540] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012540] ) [ 4335.012542] amdgpu 0000:08:00.0: at address 0x0000000101c29000 from 27 [ 4335.012544] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012550] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012550] ) [ 4335.012552] amdgpu 0000:08:00.0: at address 0x0000000101c2d000 from 27 [ 4335.012554] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012560] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012560] ) [ 4335.012562] amdgpu 0000:08:00.0: at address 0x0000000101c10000 from 27 [ 4335.012563] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012569] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012569] ) [ 4335.012571] amdgpu 0000:08:00.0: at address 0x0000000101c2c000 from 27 [ 4335.012572] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012579] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012579] ) [ 4335.012581] amdgpu 0000:08:00.0: at address 0x0000000101c2b000 from 27 [ 4335.012582] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012588] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012588] ) [ 4335.012590] amdgpu 0000:08:00.0: at address 0x0000000101c0f000 from 27 [ 4335.012591] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012597] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012597] ) [ 4335.012599] amdgpu 0000:08:00.0: at address 0x0000000101c29000 from 27 [ 4335.012601] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4335.012607] amdgpu 0000:08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870 [ 4335.012607] ) [ 4335.012609] amdgpu 0000:08:00.0: at address 0x0000000101c2a000 from 27 [ 4335.012610] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031 [ 4345.036479] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, signaled seq=120458, emitted seq=120461 [ 4345.036486] [drm] GPU recovery disabled. 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