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Lockups after shutting down vmware
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Illiander
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Joined: 22 Feb 2011
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PostPosted: Wed Jun 14, 2017 1:03 pm    Post subject: Lockups after shutting down vmware Reply with quote

Previous Threads:

https://forums.gentoo.org/viewtopic-t-1064232-highlight-.html

https://forums.gentoo.org/viewtopic-t-1063880.html

So I have VMWare working now, but when I shut it down it seems to sometimes lock up itself and SeaMonkey. This most recent time it also locked up Caja and EoM ("Eye of Mate" image viewer) untill I shut down Steam, of all things.

Any advice on how to get farther information to diagnose this issue?
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gordonb3
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Joined: 01 Jul 2015
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PostPosted: Thu Jun 15, 2017 9:45 am    Post subject: Reply with quote

Similar issue here. Not related to shutting down VMWare though. It just randomly locks up both the Windows VMs and Firefox on the host machine and CPU usage goes through the roof. Control usually returns within a few minutes.
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Illiander
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PostPosted: Mon Jun 19, 2017 6:00 pm    Post subject: Reply with quote

Additional wierdness:

If I shut down the Windows OS inside the VM "properly" then control returns after the shutdown has finished, but if I "power off" the VM, then the lockup seems permanent.

Also, using SeaMonkey outside the VM and Firefox inside the VM seem to be competing for the same resource somehow - I do something on one, and the other freezes for 1-10 mins.

I have an 8-processor computer, so I wouldn't have thought it was scheduling issues - It has to be a resource lock somewhere.

---

I'm not asking for a fix, I'm asking for the tools I need to find out what is locking things up.
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Illiander
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PostPosted: Mon Jul 17, 2017 7:41 pm    Post subject: Reply with quote

No advice at all on how to figure out a lockup?
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Hu
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Joined: 06 Mar 2007
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PostPosted: Tue Jul 18, 2017 1:23 am    Post subject: Reply with quote

When a proprietary component, particularly one as complex as VMware, is involved, the vendor is often in a far better position to diagnose the problem than we are. You could try the usual basic steps:
  • check dmesg for any kernel diagnostics
  • try to reproduce the problem without any proprietary kernel modules loaded (note: this probably breaks VMware, so you would need to reproduce with some other virtualization product, such as Qemu/KVM)
  • grab a stack trace of hung processes to see what resource the process is waiting on
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