Re: [Xen-devel] Xen stable-4.11 crash when trying to start a VM on fedora 29

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 28.11.18 at 17:46, <mathieu.tarral@xxxxxxxxxxxxxx> wrote:
> I managed to compile and install Xen from source,using the  stable-4.11 
> branch.
> 
> I configured my VMs in libvirt, but when I try to start one of them, the 
> host completely crashes after a few seconds (the VM is never started), and 
> reboots.
> 
> I ran dmesg -w before starting the VM, and the ouput
> is 2 general protection faults:
> https://gist.github.com/Wenzel/763b17fae773f7dd6b1d8b303187f3c0 

Without a full hypervisor log this is going to remain guesswork, but
could you check whether "pcid=no" and/or "pv-l1tf=no" on the Xen
boot command line help?

Jan



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