Public bug reported:

Running any flatpak package like Foliate of Visual Studio Code freezes
system in Ubuntu 19.10.

Worked fine in 19.04

Description:    Ubuntu 19.10
Release:        19.10

Only see it when using flatpak. For the rest system is quite stable.

Lots of errors in syslog:

mdgpu 0000:09:00.0: [gfxhub] retry page fault (src_id:0 ring:0 vmid:3 
pasid:32769, for process Xorg pid 2137 thread Xorg:cs0 pid 2138) 
amdgpu 0000:09:00.0:   in page starting at address 0x000000011a500000 from 27
amdgpu 0000:09:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031

Also errors in Gnone-shell:

gnome-shell[2440]: [GFX1]: Shader compilation failure, cfg: features: 0 
multiplier: 1 op: CompositionOp::OP_OVER
gnome-shell[2440]: message repeated 5 times: [ [GFX1]: Shader compilation 
failure, cfg: features: 0 multiplier: 1 op: CompositionOp::OP_OVER]
gnome-shell[2440]: Object .Gjs_WindowSwitcherPopup (0x557f7238f500), has been 
already deallocated — impossible to access it. This might be caused by the 
object having been destroyed from C code using something such as destroy(), 
dispose(), or remove() vfuncs

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-23-generic 5.3.0-23.25
ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7
Uname: Linux 5.3.0-23-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  ben        2111 F.... pulseaudio
 /dev/snd/controlC0:  ben        2111 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sat Nov 16 20:08:36 2019
InstallationDate: Installed on 2019-07-19 (120 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
MachineType: System manufacturer System Product Name
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-23-generic 
root=UUID=7fb304cc-a08f-4ccf-945c-f9f1556d4342 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.3.0-23-generic N/A
 linux-backports-modules-5.3.0-23-generic  N/A
 linux-firmware                            1.183.2
RfKill:
 
SourcePackage: linux
UpgradeStatus: Upgraded to eoan on 2019-10-28 (19 days ago)
dmi.bios.date: 02/28/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0809
dmi.board.asset.tag: Default string
dmi.board.name: PRIME B450M-A
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0809:bd02/28/2019:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB450M-A:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug eoan

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https://bugs.launchpad.net/bugs/1852865

Title:
  Kernel bug in amdgpu system freezing

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