* kvm/queue still ahead of kvm/next @ 2013-08-09 19:26 Paolo Bonzini 2013-08-19 4:36 ` Kashyap Chamarthy 2013-08-20 16:06 ` Paolo Bonzini 0 siblings, 2 replies; 6+ messages in thread From: Paolo Bonzini @ 2013-08-09 19:26 UTC (permalink / raw) To: kvm@vger.kernel.org Hi all, I'm seeing some breakage of shadow-on-shadow and shadow-on-EPT nested VMX. Until I can track more precisely whether it is a regression, and on which hosts I can reproduce it, I'm going to leave the patches out of kvm/next. The good news is that nested EPT works pretty well. :) Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: kvm/queue still ahead of kvm/next 2013-08-09 19:26 kvm/queue still ahead of kvm/next Paolo Bonzini @ 2013-08-19 4:36 ` Kashyap Chamarthy 2013-08-19 9:26 ` Paolo Bonzini 2013-08-20 16:06 ` Paolo Bonzini 1 sibling, 1 reply; 6+ messages in thread From: Kashyap Chamarthy @ 2013-08-19 4:36 UTC (permalink / raw) To: Paolo Bonzini; +Cc: kvm@vger.kernel.org On Sat, Aug 10, 2013 at 12:56 AM, Paolo Bonzini <pbonzini@redhat.com> wrote: > > Hi all, > > I'm seeing some breakage of shadow-on-shadow and shadow-on-EPT nested > VMX. Until I can track more precisely whether it is a regression, and > on which hosts I can reproduce it, I'm going to leave the patches out of > kvm/next. > > The good news is that nested EPT works pretty well. :) Paolo/others, I'm trying to test nEPT, so I'm trying to start this way: $ git clone git://git.kernel.org/pub/scm/virt/kvm/kvm.git $ git branch --all $ git checkout remotes/origin/queue Compile, and proceed. Or would you suggest to use http://git.kiszka.org/?p=kvm-kmod.git;a=blob;f=README to test latest stuff? Thanks. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: kvm/queue still ahead of kvm/next 2013-08-19 4:36 ` Kashyap Chamarthy @ 2013-08-19 9:26 ` Paolo Bonzini 2013-08-19 9:42 ` Kashyap Chamarthy 0 siblings, 1 reply; 6+ messages in thread From: Paolo Bonzini @ 2013-08-19 9:26 UTC (permalink / raw) To: Kashyap Chamarthy; +Cc: kvm@vger.kernel.org Il 19/08/2013 06:36, Kashyap Chamarthy ha scritto: > On Sat, Aug 10, 2013 at 12:56 AM, Paolo Bonzini <pbonzini@redhat.com> wrote: >> > >> > Hi all, >> > >> > I'm seeing some breakage of shadow-on-shadow and shadow-on-EPT nested >> > VMX. Until I can track more precisely whether it is a regression, and >> > on which hosts I can reproduce it, I'm going to leave the patches out of >> > kvm/next. >> > >> > The good news is that nested EPT works pretty well. :) > > Paolo/others, I'm trying to test nEPT, so I'm trying to start this way: > > $ git clone git://git.kernel.org/pub/scm/virt/kvm/kvm.git > $ git branch --all > $ git checkout remotes/origin/queue > > Compile, and proceed. > > Or would you suggest to use > > http://git.kiszka.org/?p=kvm-kmod.git;a=blob;f=README > > to test latest stuff? If you prefer not to build your own kernel, kvm-kmod works too. However, please build it with the latest 3.10.x kernel to make the environment as similar as possible to what you'd get with kvm.git. Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: kvm/queue still ahead of kvm/next 2013-08-19 9:26 ` Paolo Bonzini @ 2013-08-19 9:42 ` Kashyap Chamarthy 2013-08-19 9:45 ` Kashyap Chamarthy 0 siblings, 1 reply; 6+ messages in thread From: Kashyap Chamarthy @ 2013-08-19 9:42 UTC (permalink / raw) To: Paolo Bonzini; +Cc: kvm@vger.kernel.org On Mon, Aug 19, 2013 at 2:56 PM, Paolo Bonzini <pbonzini@redhat.com> wrote: > Il 19/08/2013 06:36, Kashyap Chamarthy ha scritto: >> On Sat, Aug 10, 2013 at 12:56 AM, Paolo Bonzini <pbonzini@redhat.com> wrote: >>> > >>> > Hi all, >>> > >>> > I'm seeing some breakage of shadow-on-shadow and shadow-on-EPT nested >>> > VMX. Until I can track more precisely whether it is a regression, and >>> > on which hosts I can reproduce it, I'm going to leave the patches out of >>> > kvm/next. >>> > >>> > The good news is that nested EPT works pretty well. :) >> >> Paolo/others, I'm trying to test nEPT, so I'm trying to start this way: >> >> $ git clone git://git.kernel.org/pub/scm/virt/kvm/kvm.git >> $ git branch --all >> $ git checkout remotes/origin/queue >> >> Compile, and proceed. >> >> Or would you suggest to use >> >> http://git.kiszka.org/?p=kvm-kmod.git;a=blob;f=README >> >> to test latest stuff? > > If you prefer not to build your own kernel, kvm-kmod works too. > However, please build it with the latest 3.10.x kernel to make the > environment as similar as possible to what you'd get with kvm.git. I'm fine building news Kernels. I just started this way: $ git remote -v origin git://git.kernel.org/pub/scm/virt/kvm/kvm.git (fetch) origin git://git.kernel.org/pub/scm/virt/kvm/kvm.git (push) $ git checkout -b test_nept origin/queue $ make defconfig $ make -j8 && make modules $ make install && make modules_install And, booting into the just built 3.11.0-rc1+ kernel (this is on bare-metal), hangs at: ------------- . . . [ 5.437220] systemd[1]: Failed to mount /dev: No such device [ 5.523997] usb 2-1: New USB device found, idVendor=8087, idProduct=8000 [ 5.531600] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.540188] hub 2-1:1.0: USB hub found [ 5.544573] hub 2-1:1.0: 8 ports detected [ 5.757452] Switched to clocksource tsc [ 5.879287] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off ------------- (This is on a Haswell machine). Am I missing anything here? /kashyap ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: kvm/queue still ahead of kvm/next 2013-08-19 9:42 ` Kashyap Chamarthy @ 2013-08-19 9:45 ` Kashyap Chamarthy 0 siblings, 0 replies; 6+ messages in thread From: Kashyap Chamarthy @ 2013-08-19 9:45 UTC (permalink / raw) To: Paolo Bonzini; +Cc: kvm@vger.kernel.org On Mon, Aug 19, 2013 at 3:12 PM, Kashyap Chamarthy <kashyap.cv@gmail.com> wrote: > On Mon, Aug 19, 2013 at 2:56 PM, Paolo Bonzini <pbonzini@redhat.com> wrote: >> Il 19/08/2013 06:36, Kashyap Chamarthy ha scritto: >>> On Sat, Aug 10, 2013 at 12:56 AM, Paolo Bonzini <pbonzini@redhat.com> wrote: >>>> > >>>> > Hi all, >>>> > >>>> > I'm seeing some breakage of shadow-on-shadow and shadow-on-EPT nested >>>> > VMX. Until I can track more precisely whether it is a regression, and >>>> > on which hosts I can reproduce it, I'm going to leave the patches out of >>>> > kvm/next. >>>> > >>>> > The good news is that nested EPT works pretty well. :) >>> >>> Paolo/others, I'm trying to test nEPT, so I'm trying to start this way: >>> >>> $ git clone git://git.kernel.org/pub/scm/virt/kvm/kvm.git >>> $ git branch --all >>> $ git checkout remotes/origin/queue >>> >>> Compile, and proceed. >>> >>> Or would you suggest to use >>> >>> http://git.kiszka.org/?p=kvm-kmod.git;a=blob;f=README >>> >>> to test latest stuff? >> >> If you prefer not to build your own kernel, kvm-kmod works too. >> However, please build it with the latest 3.10.x kernel to make the >> environment as similar as possible to what you'd get with kvm.git. > > I'm fine building news Kernels. I just started this way: > > $ git remote -v > origin git://git.kernel.org/pub/scm/virt/kvm/kvm.git (fetch) > origin git://git.kernel.org/pub/scm/virt/kvm/kvm.git (push) > > $ git checkout -b test_nept origin/queue > > $ make defconfig > > $ make -j8 && make modules > > $ make install && make modules_install > > And, booting into the just built 3.11.0-rc1+ kernel (this is on > bare-metal), hangs at: > ------------- > . > . > . > [ 5.437220] systemd[1]: Failed to mount /dev: No such device > [ 5.523997] usb 2-1: New USB device found, idVendor=8087, idProduct=8000 > [ 5.531600] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > [ 5.540188] hub 2-1:1.0: USB hub found > [ 5.544573] hub 2-1:1.0: 8 ports detected > [ 5.757452] Switched to clocksource tsc > [ 5.879287] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > ------------- After that, it goes one step beyond after the above, and gets hung at: --- [ 305.591298] kworker/u16:1 (24) used greatest stack depth: 5488 bytes left --- > > (This is on a Haswell machine). > > Am I missing anything here? > > /kashyap ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: kvm/queue still ahead of kvm/next 2013-08-09 19:26 kvm/queue still ahead of kvm/next Paolo Bonzini 2013-08-19 4:36 ` Kashyap Chamarthy @ 2013-08-20 16:06 ` Paolo Bonzini 1 sibling, 0 replies; 6+ messages in thread From: Paolo Bonzini @ 2013-08-20 16:06 UTC (permalink / raw) Cc: kvm@vger.kernel.org Il 09/08/2013 21:26, Paolo Bonzini ha scritto: > Hi all, > > I'm seeing some breakage of shadow-on-shadow and shadow-on-EPT nested > VMX. Until I can track more precisely whether it is a regression, and > on which hosts I can reproduce it, I'm going to leave the patches out of > kvm/next. > > The good news is that nested EPT works pretty well. :) Yeah, shadow-on-EPT doesn't work on at least the Westmere I tried, so I'll merge kvm/queue to kvm/next soon. Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2013-08-20 16:06 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-08-09 19:26 kvm/queue still ahead of kvm/next Paolo Bonzini 2013-08-19 4:36 ` Kashyap Chamarthy 2013-08-19 9:26 ` Paolo Bonzini 2013-08-19 9:42 ` Kashyap Chamarthy 2013-08-19 9:45 ` Kashyap Chamarthy 2013-08-20 16:06 ` Paolo Bonzini
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