Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-05-04 Thread Pasi Kärkkäinen
org > > Subject: Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) > > packages making their way to centos-virt-xen-testing > > > > On 01/24/2018 01:01 AM, Pasi Kärkkäinen wrote: > > > On Tue, Jan 23, 2018 at 06:20:39PM -0600, Kev

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-24 Thread Nathan March
> -Original Message- > From: CentOS-virt [mailto:centos-virt-boun...@centos.org] On Behalf Of > Johnny Hughes > Sent: Wednesday, January 24, 2018 6:39 AM > To: centos-virt@centos.org > Subject: Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) > package

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-24 Thread Johnny Hughes
On 01/24/2018 01:01 AM, Pasi Kärkkäinen wrote: > On Tue, Jan 23, 2018 at 06:20:39PM -0600, Kevin Stange wrote: >> On 01/23/2018 05:57 PM, Karl Johnson wrote: >>> >>> >>> On Tue, Jan 23, 2018 at 4:50 PM, Nathan March >> > wrote: >>> >>> Hi, >>> >>> > Hmm.. isn't this th

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread Pasi Kärkkäinen
On Tue, Jan 23, 2018 at 06:20:39PM -0600, Kevin Stange wrote: > On 01/23/2018 05:57 PM, Karl Johnson wrote: > > > > > > On Tue, Jan 23, 2018 at 4:50 PM, Nathan March > > wrote: > > > > Hi, > > > > > Hmm.. isn't this the ldisc bug that was discussed a few months ag

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread Kevin Stange
On 01/23/2018 05:57 PM, Karl Johnson wrote: > > > On Tue, Jan 23, 2018 at 4:50 PM, Nathan March > wrote: > > Hi, > > > Hmm.. isn't this the ldisc bug that was discussed a few months ago on > this > list, > > and a patch was applied to virt-sig kernel aswe

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread Karl Johnson
On Tue, Jan 23, 2018 at 4:50 PM, Nathan March wrote: > Hi, > > > Hmm.. isn't this the ldisc bug that was discussed a few months ago on > this > list, > > and a patch was applied to virt-sig kernel aswell? > > > > Call trace looks similar.. > > Good memory! I'd forgotten about that despite being t

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread Nathan March
Hi, > Hmm.. isn't this the ldisc bug that was discussed a few months ago on this list, > and a patch was applied to virt-sig kernel aswell? > > Call trace looks similar.. Good memory! I'd forgotten about that despite being the one who ran into it. Looks like that patch was just removed in 4.9.7

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread Pasi Kärkkäinen
Hi, On Tue, Jan 23, 2018 at 10:35:24AM -0800, Nathan March wrote: > > Thanks for the heads-up. It's been running through XenServer's tests > > as well as the XenProject's "osstest" -- I haven't heard of any > > additional issues, but I'll ask. > > Looks like I can reproduce this pretty easily, t

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread Nathan March
> Thanks for the heads-up. It's been running through XenServer's tests > as well as the XenProject's "osstest" -- I haven't heard of any > additional issues, but I'll ask. Looks like I can reproduce this pretty easily, this happened upon ssh'ing into the server while I had a VM migrating into it.

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-23 Thread George Dunlap
On Mon, Jan 22, 2018 at 10:38 PM, Nathan March wrote: > 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 t

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-22 Thread Nathan March
e- > From: CentOS-virt [mailto:centos-virt-boun...@centos.org] On Behalf Of > George Dunlap > Sent: Wednesday, January 17, 2018 9:14 AM > To: Discussion about the virtualization on CentOS > Subject: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages > maki

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-18 Thread Peter Peltonen
Hi Nathan, On Thu, Jan 18, 2018 at 9:31 PM, Nathan March wrote: >> -Original Message- >> As there are now quite many options to choose from, what would be the >> best option performance wise for running 32bit domUs under xen-4.6? >> >> Best, >> Peter >> > > It's worth taking a look at the

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-18 Thread Nathan March
> -Original Message- > From: CentOS-virt [mailto:centos-virt-boun...@centos.org] On Behalf Of > Peter Peltonen > Sent: Thursday, January 18, 2018 11:19 AM > To: Discussion about the virtualization on CentOS > Subject: Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI m

Re: [CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-18 Thread Peter Peltonen
Thanks George. As there are now quite many options to choose from, what would be the best option performance wise for running 32bit domUs under xen-4.6? Best, Peter On Wed, Jan 17, 2018 at 7:14 PM, George Dunlap wrote: > I've built & tagged packages for CentOS 6 and 7 4.6.6-9, with XPTI > "sta

[CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

2018-01-17 Thread George Dunlap
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 / Com