Bug 1292922
| Summary: | Windows 2012 R2 systems periodically lock up. | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Virtualization Manager | Reporter: | Robert McSwain <rmcswain> |
| Component: | vdsm | Assignee: | Dan Kenigsberg <danken> |
| Status: | CLOSED INSUFFICIENT_DATA | QA Contact: | Nisim Simsolo <nsimsolo> |
| Severity: | urgent | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 3.5.6 | CC: | bazulay, ghammer, gklein, lsurette, michal.skrivanek, rmcswain, ycui, yeylon, ykaul |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Windows | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-02-17 12:24:24 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | Virt | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
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Description
Robert McSwain
2015-12-18 18:37:15 UTC
It is highly unlikely to be a Vdsm issue, as it is oblivious of which OS is being run on the VM. Robert, can you specify versions of libvirt, qemu-kvm and kernel on the host running the VM? Gal, can you take a look or ask a relevant question? I'm guessing it's qemu, kenel, or Window guest driver, and not Vdsm. (In reply to Dan Kenigsberg from comment #3) > It is highly unlikely to be a Vdsm issue, as it is oblivious of which OS is > being run on the VM. > > Robert, can you specify versions of libvirt, qemu-kvm and kernel on the host > running the VM? > > Gal, can you take a look or ask a relevant question? Robert, is it possible to ask the customer to use NMI and provide a windows crash dump while this hang occurs? See https://support.microsoft.com/en-us/kb/927069 for instructions. Thanks. Dan, here's what the customer found. It seems like this isn't a hard lock based on his description: No dump files were generated in the Dump file location (%SystemRoot%\MEMORY.DMP) on either VM. I suspect there could be an underlying storage issue when we run in to this problem. I should note that the systems still respond to ICMP ping when this problem occurs. However, remote desktop cannot establish a socket connection and the log on screen interface via VNC is still there, but is non-responsive (locked up/frozen). hyperv enlightenment perhaps makes a difference? It's only partially in 3.5. But try disable it for that OS type in osinfo config Do they have rhel 7 based hypervisor? Worth a try, it may not happen there Michal, I'll be glad to ask the customer to test under these conditions. Can you confirm how the customer would disable it? Is this under the Edit->Operating System options for the VM or is this in the /etc/ovirt-engine/osinfo.conf.d/00-defaults.properties file on the manager? And if it's in that file, what exactly are we setting and/or changing? The file. See also issues mentioned in bug 1163828 and associated patch. It is supposedly disabled in 3.5.6 already, just switch it regardless what it is now. There were some contradictory reports about the effect. Trying on RHEL 7 might make a big difference too Thanks. Well, time to try to enable hyperv flag or (better) run on 7.2 hypervisor The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days |