Re: [Xen-devel] Severe guest disk corruption with device_model_stubdomain_override=1...

[Sarah Newman <srn@xxxxxxxxx>]

On 03/22/2016 11:03 PM, Sarah Newman wrote:
> And nested xen.
> 
> CPU: AMD Opteron 2352
> Outer configuration: Xen4CentOS 6 xen 4.6.1-2.el6, linux 3.18.25-18.el6.x86_64
> Inner configuration: Xen4CentOS 6 xen 4.6.1-2.el6, linux 3.18.25-19.el6.x86_64
> Inner xen command line:  cpuinfo loglvl=all guest_loglvl=error 
> dom0_mem=512M,max:512M com1=115200,8n1 console=com1 dom0_max_vcpus=1 
> dom0_vcpus_pin=true
> Inner linux command line: ro root=LABEL=DISK rootflags=barrier=0 
> swiotlb=32768 console=hvc0

> xen_platform_pci seems to be ignored with device_model_stubdomain_override=1. 
> So I don't think I can test what happens with the 3.18.25-19.el6.x86_64
> kernel, no nested xen, and non-paravirtual block devices.

The patch submitted in 
http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg03080.html 
appears to fix the issue.

--Sarah


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