[CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing
nathan at gt.net
Mon Jan 22 22:38:09 UTC 2018
Just a heads up that I'm seeing major stability problems on these builds.
Didn't have console capture setup unfortunately, but have seen my test
hypervisor hard lock twice over the weekend.
This is with xpti being used, rather than the shim.
> -----Original Message-----
> From: CentOS-virt [mailto:centos-virt-bounces at centos.org] On Behalf Of
> George Dunlap
> Sent: Wednesday, January 17, 2018 9:14 AM
> To: Discussion about the virtualization on CentOS <centos-virt at centos.org>
> Subject: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation)
> making their way to centos-virt-xen-testing
> I've built & tagged packages for CentOS 6 and 7 4.6.6-9, with XPTI
> "stage 1" Meltdown mitigation.
> This will allow 64-bit PV guests to run safely (with a few caveats),
> but incurs a fairly significant slowdown for 64-bit PV guests on Intel
> boxes (including domain 0).
> If you prefer using Vixen / Comet, you can turn it off by adding
> 'xpti=0' to your Xen command-line.
> Detailed information can be found in the XSA-254 advisory:
> Please test and report any issues you have. I'll probably tag then
> with -release tomorrow.
> 4.8 packages should be coming to buildlogs soon.
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