Re: regression bisected; KVM: entry failed, hardware error 0x80000021

2014-12-21 Thread Chen, Tiejun
On 2014/12/21 20:46, Jamie Heilman wrote: With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I get: KVM: entry failed, hardware error 0x8021 Looks some MSR writing issues such a failed entry. If you're running a guest on an Intel machine without unrestricted mode support

Does kvm friendly support GPT?

2014-12-21 Thread Zhang Haoyu
Hi, When I perform P2V from native servers with win2008 to kvm vm, some cases failed due to the physical disk was using GPT for partition, and QEMU doesn't support GPT by default. And, I see in below site that OVMF can be used to enable UEFI to support GPT, http://www.linux-kvm.org/page/OVMF But

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RE: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI

2014-12-21 Thread Wu, Feng
> -Original Message- > From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo > Bonzini > Sent: Saturday, December 20, 2014 9:17 PM > To: Wu, Feng; Paolo Bonzini; Zhang, Yang Z; Thomas Gleixner; Ingo Molnar; H. > Peter Anvin; x...@kernel.org; Gleb Natapov; dw...@infradead

[question] Does "is_guest_mode() == true" mean in L1 (guest hypervisor)?

2014-12-21 Thread Zhang Haoyu
Hi, Does "is_guest_mode() == true" mean in L1 (guest hypervisor)? Thanks, Zhang Haoyu -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: [PATCH] powerpc: powernv: Return to cpu offline loop when finished in KVM guest

2014-12-21 Thread Michael Ellerman
On Sun, 2014-12-21 at 23:56 +0100, Alexander Graf wrote: > On 21.12.14 15:13, Andreas Schwab wrote: > > arch/powerpc/kvm/built-in.o: In function `kvm_no_guest': > > arch/powerpc/kvm/book3s_hv_rmhandlers.o:(.text+0x724): undefined reference > > to `power7_wakeup_loss' > > Ugh. We just removed supp

Re: [PATCH] powerpc: powernv: Return to cpu offline loop when finished in KVM guest

2014-12-21 Thread Alexander Graf
On 21.12.14 15:13, Andreas Schwab wrote: > arch/powerpc/kvm/built-in.o: In function `kvm_no_guest': > arch/powerpc/kvm/book3s_hv_rmhandlers.o:(.text+0x724): undefined reference to > `power7_wakeup_loss' Ugh. We just removed support for 970 HV mode, but that obviously doesn't mean you can't compi

Re: kvm: zapping shadow pages for mmio generation wraparound

2014-12-21 Thread Paolo Bonzini
On 21/12/2014 07:28, Michael Tokarev wrote: > Has it not been decided to downgrade this message to KERN_DEBUG for some > reason? I've just never gotten round to do it. I'll do it next week. > What does this message mean anyway? > Why this very rare case (according to comments in arch/x86/kvm/m

Re: [PATCH] powerpc: powernv: Return to cpu offline loop when finished in KVM guest

2014-12-21 Thread Andreas Schwab
arch/powerpc/kvm/built-in.o: In function `kvm_no_guest': arch/powerpc/kvm/book3s_hv_rmhandlers.o:(.text+0x724): undefined reference to `power7_wakeup_loss' Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for som

regression bisected; KVM: entry failed, hardware error 0x80000021

2014-12-21 Thread Jamie Heilman
With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I get: KVM: entry failed, hardware error 0x8021 If you're running a guest on an Intel machine without unrestricted mode support, the failure can be most likely due to the guest entering an invalid state for Intel VT. For examp