RTX 5070 Mobile (GB206M): Xid 79 and kbiPollBarFirewallDisengage timeout during D3cold to D0 resume
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Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Active
- Tech stack
- c, linux
- Domain
- operating-systems
Research direction
Start by reviewing the attached nvidia-bug-report logs and the reproduction steps, especially the change to NVreg_DynamicPowerManagement and the D3cold-to-D0 resume failure. The issue does not identify source files or tests, so first trace the reported timeout in the kernel-module code and check whether the failure can be reproduced. Done means the resume failure is understood and addressed, with the reported configuration no longer producing Xid 79 or the timeout.
Written by the indexing model from the issue text.
Description
NVIDIA Open GPU Kernel Modules Version
615.78.08
Please confirm this issue does not happen with the proprietary driver (of the same version). This issue tracker is only for bugs specific to the open kernel driver.
- I confirm that this does not happen with the proprietary driver package.
Operating System and Version
Fedora Linux 45 (Workstation Edition)
Kernel Release
Linux tong.lan 7.2.12-300.fc45.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Oct 21 16:32:17 UTC 2026 x86_64 GNU/Linux
Please confirm you are running a stable release kernel (e.g. not a -rc). We do not accept bug reports for unreleased kernels.
- I am running on a stable kernel release.
Hardware: GPU
GPU 0: NVIDIA GeForce RTX 5070 Laptop GPU (UUID: GPU-1801f93d-3bd6-8eb8-c186-b94785017765)
Describe the bug
This is a blackwell 5070, so you cannot use the proprietary drivers. So I can only test with the open drivers.
To Reproduce
Set NVreg_DynamicPowerManagement=0x02 in /etc/modprobe.d/nvidia.conf, run dracut --force.
To get things working again, set NVreg_DynamicPowerManagement=0x00
Bug Incidence
Always
nvidia-bug-report.log.gz
More Info
No response
- Dominant language
- C
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