Re: [ Re: unhandled vm exit: 0x80000021 vcpu_id 0]
Messaggio originale Da: [EMAIL PROTECTED] Data: 09/10/2008 16.58 A: [EMAIL PROTECTED][EMAIL PROTECTED] Cc: kvmkvm@vger.kernel.org Ogg: Re: [ Re: unhandled vm exit: 0x8021 vcpu_id 0] On Wed, Oct 8, 2008 at 7:16 AM, [EMAIL PROTECTED] [EMAIL PROTECTED] it wrote: Hi Yang, I often hibernate my Linux, so may be that the loadmodule message is missing in the dmesg because it is too old. I have rebooted the system and I attach a clean dmesg. Yeah, now I can see the load info of kvm-76. What means Windows always trig a apic write error before Jan's patch make them slience? which Windows? At least Windows XP like to do this, now for upstream, Jan's patch clean it. However, when I try ro run qemu/kvm using the winxp image, no error happens in the dmesg. I can see the error as output of the qemu/kvm command. It's indeed hard to debug with so limit info... I still suggest you to fill a bug first. Ok, I will try to do it. And if you have time, please try the attached patch and update info I have compiled kvm-76 with your patch. In the attachment the result Have a nice week end, Pier Luigi. -- regards Yang, Sheng Reagrds, Pier Luigi Original Message Subject:Re: unhandled vm exit: 0x8021 vcpu_id 0 Date: Fri, 3 Oct 2008 08:57:31 +0800 From: Sheng Yang [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] CC: [EMAIL PROTECTED], kvm@vger.kernel.org References: [EMAIL PROTECTED] On Fri, Oct 03, 2008 at 12:16:20AM +0200, [EMAIL PROTECTED] wrote: Hi, I understand the particularity (checkpoint) of this case. Hi Pier Thanks for your understanding. :) Any way, in the attachment the dmesg log and the output of the dmesg command. But it's strange that I almost can't see anything correlated with kvm in the log. If you built kvm as a modules(I suppose you did it because you tried many versions), at least something like load kvm module xxx should appear(and Windows always trig a apic write error before Jan's patch make them slience). Is this the dmesg when the error was happening? -- regards Yang, Sheng thanks for your helpfulness. Regards. Sheng Yang wrote: On Mon, Sep 29, 2008 at 6:18 PM, [EMAIL PROTECTED] p. [EMAIL PROTECTED] it wrote: Hi, I have successfully installed windows XP SP2 on kvm. After the installation I have launched the setup of Checkpoint - Pointsec for the entire disk encryption. Hi Pier Can you issue a bug for this? But sadly Checkpoint is a commercial software, we may not deal with it directly and immediately. The first step of installation was run successfully, but when the system reboots and Pointsec loads the initial code, the following error happens: == unhandled vm exit: 0x8021 vcpu_id 0 rax 0007 rbx 1490 rcx rdx 19a0 rsi rdi rsp 0080 rbp 96bf r8 r9 r10 r11 r12 r13 r14 r15 rip 002a rflags 00023202 cs 14a2 (/ p 0 dpl 0 db 0 s 0 type 9 l 0 g 0 avl 0) ds 19a0 (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) es 1a31 (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) ss 1a29 (/ p 0 dpl 0 db 0 s 0 type 1 l 0 g 0 avl 0) fs (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gs (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) tr 0058 (00201ffa/ p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0) ldt (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gdt 20/1dd8 idt 201df0/188 cr0 8019 cr2 0 cr3 144 cr4 0 cr8 0 efer 0 What's this... CR0.PE clear, CR0.PG set... And segment register also strange. May be some real emulation wrong... Aborted == I am able to boot this system (image) using qemu (with kqemu enabled for user code), but not using kvm. I have also tried with the options: -no-kvm-irqchip -no-kvm-pit - no- acpi without success. Only the -no-kvm option works. I have tried these kvm releases: from 65 to 76; and these kernel (vanilla) releases: from 2.6.23.1 to 2.6.26.5. Thanks for your patient... My computer is a Dell D630 equipped with Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz The HOST Linux distributions used are: Fedora 8/9 for i386, and Fedora 9 for x86_64. Can you show dmesg as well? That's also helps. ___ Con Tiscali Adsl 8 Mega navighi SENZA LIMITI e GRATIS PER I PRIMI TRE MESI. In seguito paghi
Re: unhandled vm exit: 0x80000021 vcpu_id 0
Hi, I understand the particularity (checkpoint) of this case. Any way, in the attachment the dmesg log and the output of the dmesg command. thanks for your helpfulness. Regards. Sheng Yang wrote: On Mon, Sep 29, 2008 at 6:18 PM, [EMAIL PROTECTED] [EMAIL PROTECTED] it wrote: Hi, I have successfully installed windows XP SP2 on kvm. After the installation I have launched the setup of Checkpoint - Pointsec for the entire disk encryption. Hi Pier Can you issue a bug for this? But sadly Checkpoint is a commercial software, we may not deal with it directly and immediately. The first step of installation was run successfully, but when the system reboots and Pointsec loads the initial code, the following error happens: == unhandled vm exit: 0x8021 vcpu_id 0 rax 0007 rbx 1490 rcx rdx 19a0 rsi rdi rsp 0080 rbp 96bf r8 r9 r10 r11 r12 r13 r14 r15 rip 002a rflags 00023202 cs 14a2 (/ p 0 dpl 0 db 0 s 0 type 9 l 0 g 0 avl 0) ds 19a0 (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) es 1a31 (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) ss 1a29 (/ p 0 dpl 0 db 0 s 0 type 1 l 0 g 0 avl 0) fs (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gs (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) tr 0058 (00201ffa/ p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0) ldt (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gdt 20/1dd8 idt 201df0/188 cr0 8019 cr2 0 cr3 144 cr4 0 cr8 0 efer 0 What's this... CR0.PE clear, CR0.PG set... And segment register also strange. May be some real emulation wrong... Aborted == I am able to boot this system (image) using qemu (with kqemu enabled for user code), but not using kvm. I have also tried with the options: -no-kvm-irqchip -no-kvm-pit - no- acpi without success. Only the -no-kvm option works. I have tried these kvm releases: from 65 to 76; and these kernel (vanilla) releases: from 2.6.23.1 to 2.6.26.5. Thanks for your patient... My computer is a Dell D630 equipped with Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz The HOST Linux distributions used are: Fedora 8/9 for i386, and Fedora 9 for x86_64. Can you show dmesg as well? That's also helps. ___ Con Tiscali Adsl 8 Mega navighi SENZA LIMITI e GRATIS PER I PRIMI TRE MESI. In seguito paghi solo € 19,95 al mese. Attivala subito, l?offerta è valida fino al 02/10/2008! http://abbonati.tiscali.it/promo/adsl8mega/ dmesg.tgz Description: GNU Zip compressed data
unhandled vm exit: 0x80000021 vcpu_id 0
Hi, I have successfully installed windows XP SP2 on kvm. After the installation I have launched the setup of Checkpoint - Pointsec for the entire disk encryption. The first step of installation was run successfully, but when the system reboots and Pointsec loads the initial code, the following error happens: == unhandled vm exit: 0x8021 vcpu_id 0 rax 0007 rbx 1490 rcx rdx 19a0 rsi rdi rsp 0080 rbp 96bf r8 r9 r10 r11 r12 r13 r14 r15 rip 002a rflags 00023202 cs 14a2 (/ p 0 dpl 0 db 0 s 0 type 9 l 0 g 0 avl 0) ds 19a0 (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) es 1a31 (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) ss 1a29 (/ p 0 dpl 0 db 0 s 0 type 1 l 0 g 0 avl 0) fs (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gs (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) tr 0058 (00201ffa/ p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0) ldt (/ p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0) gdt 20/1dd8 idt 201df0/188 cr0 8019 cr2 0 cr3 144 cr4 0 cr8 0 efer 0 Aborted == I am able to boot this system (image) using qemu (with kqemu enabled for user code), but not using kvm. I have also tried with the options: -no-kvm-irqchip -no-kvm-pit -no- acpi without success. Only the -no-kvm option works. I have tried these kvm releases: from 65 to 76; and these kernel (vanilla) releases: from 2.6.23.1 to 2.6.26.5. My computer is a Dell D630 equipped with Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz The HOST Linux distributions used are: Fedora 8/9 for i386, and Fedora 9 for x86_64. Regards, Pier Luigi Con Tiscali Adsl 8 Mega navighi SENZA LIMITI e GRATIS PER I PRIMI TRE MESI. In seguito paghi solo € 19,95 al mese. Attivala ora, l?offerta è valida fino al 02/10/2008! http://abbonati.tiscali.it/promo/adsl8mega/ -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 7/9] Add VMRUN handler v3
On Thu, Sep 25, 2008 at 10:00:17PM +0200, Alexander Graf wrote: On 25.09.2008, at 19:37, Joerg Roedel wrote: On Thu, Sep 25, 2008 at 07:32:55PM +0200, Alexander Graf wrote: This is a big security hole. With this we give the guest access to its own VMCB. The guest can take over or crash the whole host machine by rewriting its VMCB. We should be more selective what we save in the hsave area. Oh, right. I didn't even think of a case where the nested guest would have acvess to the hsave of itself. Since the hsave can never be used twice on one vcpu, we could just allocate our own memory for the hsave in the vcpu context and leave the nested hsave empty. I think we could also gain performance by only saving the important parts of the VMCB and not the whole page. Is copying one page really that expensive? Is there any accelerated function available for that that copies it with SSE or so? :-) Copying data in memory is always expensive because the accesses may miss in the caches and data must be fetched from memory. As far as I know this can be around 150 cycles per cache line. Joerg -- | AMD Saxony Limited Liability Company Co. KG Operating | Wilschdorfer Landstr. 101, 01109 Dresden, Germany System| Register Court Dresden: HRA 4896 Research | General Partner authorized to represent: Center| AMD Saxony LLC (Wilmington, Delaware, US) | General Manager of AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Graceful shutdown for OpenBSD
##Sent this first with wrong date (14th Sep), apologies. Hello, I want to be able to shut down all virtual machines gracefully by running virsh shutdown VM. For Linux (tested with Debian Lenny) this works. But OpenBSD does not work. I read somewhere that kvm/qemu sends an acpi shutdown signal to the guest OS when running the virsh shutdown command. Is this correct? I am having problems enabling acpi on OpenBSD (its not enabled by default) and I want to be sure that everything on the side of the guest is working, so I need to know what exactly is this signal? Maybe power button pressed or something? Thank you. Benjamin Reiter -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Graceful shutdown for OpenBSD
Hello, I want to be able to shut down all virtual machines gracefully by running virsh shutdown VM. For Linux (tested with Debian Lenny) this works. But OpenBSD does not work. I read somewhere that kvm/qemu sends an acpi shutdown signal to the guest OS when running the virsh shutdown command. Is this correct? I am having problems enabling acpi on OpenBSD (its not enabled by default) and I want to be sure that everything on the side of the guest is working, so I need to know what exactly is this signal? Maybe power button pressed or something? Thank you. Benjamin Reiter -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
