[Bug 220057] Kernel regression. Linux VMs crashing (I did not test Windows guest VMs)

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=220057

--- Comment #8 from Alex Williamson (alex.williamson@redhat.com) ---
(In reply to Adolfo from comment #7)

> 13900 ,z790 chipset, 128GB ram.
> Guest set to Q35. Cpu set to host. qemu 9.2. Guest is using nvidia driver.
> Crash happen on both a 4060ti and 5060ti.
> 
> Other report but with AMD 9070 XT.
> 
> https://forum.proxmox.com/threads/opt-in-linux-6-14-kernel-for-proxmox-ve-8-
> available-on-test-no-subscription.164497/page-5#post-763760

I'm not able to access the attachments of this report without a proxmox
subscription key, so I can't make any conclusions whether this is related.  I
do note the post is originally dated April 14th, so it's not based on v6.14.4,
it might be based on a kernel with broken bus reset support that was reverted
in v6.14.4.

I don't see any similar issues running a stock 6.14.4 kernel, qemu 9.2, Linux
guest (6.14.3) running nvidia 570.144, youtube playback in chromium.

Please provide full VM XML or libvirt log, host 'sudo dmesg', host 'sudo lspci
-vvv', guest nvidia driver version.

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