>From what I can tell, this is most likely to be a hardware issue like:
* The graphics card not making clean contact with the slot.
* Hardware failure of the motherboard.
* Hardware failure of the graphics card.
But a bit of googling suggests that other people encountering the same
error message over the years have sometimes been able to avoid it by
tweaking kernel/driver parameters.
The message "Failed to grab modeset ownership" is unrelated and can be
ignored here.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags added: nvidia
** Summary changed:
- GPU has fallen off the bus
+ [nvidia] GPU has fallen off the bus
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https://bugs.launchpad.net/bugs/2023585
Title:
[nvidia] GPU has fallen off the bus
Status in linux package in Ubuntu:
New
Status in nvidia-graphics-drivers-525 package in Ubuntu:
New
Bug description:
When playing Assassins Creed Unity through Steam, the game will run
fine for a short period and then pretty quickly in my experience the
screen will go blank, lights on the GPU will turn off and GPU fans
will spin at max RPM.
I checked the dmesg logs from that session and saw at the bottom:
```
Jun 12 19:25:09 pikachu kernel: NVRM: GPU at PCI:0000:0b:00:
GPU-f888943b-327b-82af-03dd-7c4213dc4788
Jun 12 19:25:09 pikachu kernel: NVRM: Xid (PCI:0000:0b:00): 79,
pid='<unknown>', name=<unknown>, GPU has fallen off the bus.
Jun 12 19:25:09 pikachu kernel: NVRM: GPU 0000:0b:00.0: GPU has fallen off
the bus.
Jun 12 19:25:09 pikachu kernel: nvidia-gpu 0000:0b:00.3: Unable to change
power state from D3hot to D0, device inaccessible
Jun 12 19:25:09 pikachu kernel: xhci_hcd 0000:0b:00.2: Unable to change power
state from D3hot to D0, device inaccessible
Jun 12 19:25:09 pikachu kernel: xhci_hcd 0000:0b:00.2: Unable to change power
state from D3cold to D0, device inaccessible
Jun 12 19:25:09 pikachu kernel: xhci_hcd 0000:0b:00.2: Controller not ready
at resume -19
Jun 12 19:25:09 pikachu kernel: xhci_hcd 0000:0b:00.2: PCI post-resume error
-19!
Jun 12 19:25:09 pikachu kernel: xhci_hcd 0000:0b:00.2: HC died; cleaning up
Jun 12 19:25:09 pikachu kernel: audit: type=1400 audit(1686594309.980:429):
apparmor="DENIED" operation="open" class="file"
profile="snap.keepassxc.keepassxc" name="/sys/devices/pci00>
Jun 12 19:25:10 pikachu kernel: nvidia-gpu 0000:0b:00.3: i2c timeout error
ffffffff
Jun 12 19:25:10 pikachu kernel: ucsi_ccg 0-0008: i2c_transfer failed -110
```
Further up in the logs I also see the following (in case it's
related):
```
[drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000b00]
Failed to grab modeset ownership
```
I am using an RTX 2080Ti on driver version 525.105.17.
I have attached the full dmesg log
ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: nvidia-driver-525 525.105.17-0ubuntu1
ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6
Uname: Linux 6.2.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Jun 12 19:35:37 2023
InstallationDate: Installed on 2022-12-06 (187 days ago)
InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020)
SourcePackage: nvidia-graphics-drivers-525
UpgradeStatus: Upgraded to lunar on 2023-04-21 (51 days ago)
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