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mkubecek
Hot Shot
Hot Shot

17.5.0 modules on 6.6-rc6 kernel trigger a warn check in RCU code

When running 17.5.0 with unpatched modules on openSUSE Leap with kernel 6.6-rc6, it consistently triggers a warn check in rcu_flavor_sched_clock_irq() when I start a WinXP VM (see attachment for full traces).

Note 1: I get this with Player 17.5.0 but kernel modules are the same and more people are likely to see the report here. But feel free to move this to Player section  if you believe it is relevant.

Note 2: applying this patch to vmmon source seems to help, I no longer get the warns with it

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bcdonadio_com
Contributor
Contributor

I confirm that indeed that this freely available patch from someone **not paid** by a company that berates their employees by telling them to "take your butt back to office" fixes the before-useless software, crashing not only itself but taking the whole system with it, which I also pay for with a **bleep** subscription to keep it up-to-date but even having the fix ready and delivered to their doorstep for free to distribute it does absolutely nothing for more than a whole month so far.

Running Linux 6.6 on FC39, with love.

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gbohn
Enthusiast
Enthusiast

> even having the fix ready and delivered to their doorstep for free to distribute it does absolutely nothing for

> more than a whole month so far

I don't know if the Broadcom takeover is at all related, but they might be a bit distracted at VMWare.

What with all the layoffs ( https://www.sdxcentral.com/articles/analysis/vmware-layoffs-and-other-cuts-start-as-broadcom-takes-o...  ).

Also, it looks like Broadcom plans to jettison Workstation to who know where... (https://www.theregister.com/2023/12/07/broadcom_q4_2023/?td=rt-3a).

Things don't look too good for home team as best as I can tell... 😞

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wila
Immortal
Immortal


@gbohn wrote:

 

Things don't look too good for home team as best as I can tell... 😞


Might not be as bad, please see:

https://communities.vmware.com/t5/VMware-Fusion-Discussions/Impact-of-VMware-s-acquisition-by-Broadc...

--
Wil

| Author of Vimalin. The virtual machine Backup app for VMware Fusion, VMware Workstation and Player |
| More info at vimalin.com | Twitter @wilva
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CarloFrancesco
Contributor
Contributor

VMware was also causing my laptop to freeze before applying this patch. The patch seems to work fine for kernel 6.7 as well. Thanks!

FYI, Oracle VirtualBox suffers from a similar problem (even the latest 7.0.14) and I didn't find a solution for that.

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