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...D with VT enabled). xen-unstable latest Trying to boot from CDROM and getting following error: (XEN) (GUEST: 1) Start BIOS ... (XEN) (GUEST: 1) Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) (GUEST: 1) rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) (GUEST: 1) Remapping master: ICW2 0x8 -> 0x20 (XEN) (GUEST: 1) Remapping slave: ICW2 0x70 -> 0x28 (XEN) (GUEST: 1) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ (XEN) (GUEST: 1) HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/05/07 15:55:26 $ (XEN) (GUEST: 1) (XEN) (GUEST: 1) ata0-0: PCHS=2082/16/63 t...

...00020000000 (Type 17) 0000000020000000 - 0000000020003000 (ACPI NVS) 0000000020003000 - 000000002000D000 (ACPI Data) 00000000FEC00000 - 0000000100000000 (Type 16) Start BIOS ... Starting emulated 16-bit real-mode: ip=F000:FFF0 rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ Remapping master: ICW2 0x8 -> 0x20 Remapping slave: ICW2 0x70 -> 0x28 VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/05/07 15:55:26 $ ata0-0: PCHS=8129/16/63 translation=lba LCHS=1016/128/63 ata0 master: QEMU HARDDISK ATA-2 Hard-Disk (4001 MBy...

...1) 00000000FEC00000 - 0000000100000000 (Type 16) | (XEN) (GUEST: 11) | (XEN) (GUEST: 11) Start BIOS ... | (XEN) (GUEST: 11) Starting emulated 16-bit real-mode: ip=F000:FFF0 | (XEN) (GUEST: 11) rombios.c,v 1.138 2005/05/07 15:55:26 | vruppert Exp $ | (XEN) (GUEST: 11) Remapping master: ICW2 0x8 -> 0x20 | (XEN) (GUEST: 11) Remapping slave: ICW2 0x70 -> 0x28 | (XEN) (GUEST: 11) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 | vruppert Exp $ | (XEN) (GUEST: 11) HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: | 2005/05/07 15:55:26 $ | (XEN) (GUEST: 11) | (XEN) (G...

...| (XEN) (GUEST: 11) | > | (XEN) (GUEST: 11) Start BIOS ... | > | (XEN) (GUEST: 11) Starting emulated 16-bit real-mode: | ip=F000:FFF0 | > | (XEN) (GUEST: 11) rombios.c,v 1.138 2005/05/07 15:55:26 | > | vruppert Exp $ | > | (XEN) (GUEST: 11) Remapping master: ICW2 0x8 -> 0x20 | > | (XEN) (GUEST: 11) Remapping slave: ICW2 0x70 -> 0x28 | > | (XEN) (GUEST: 11) VGABios $Id: vgabios.c,v 1.61 | 2005/05/24 16:50:50 | > | vruppert Exp $ | > | (XEN) (GUEST: 11) HVMAssist BIOS, 1 cpu, $Revision: | 1.138 $ $Date: | > | 2...

...0000000100000 - 000000000FFFAC00 (RAM) (XEN) HVM20: 000000000FFFAC00 - 0000000010000000 (Reserved) (XEN) HVM20: (XEN) HVM20: Start BIOS ... (XEN) HVM20: Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) HVM20: rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) HVM20: Remapping master: ICW2 0x8 -> 0x20 (XEN) HVM20: Remapping slave: ICW2 0x70 -> 0x28 (XEN) HVM20: VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ (XEN) HVM20: HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/05/07 15:55:26 $ (XEN) HVM20: (XEN) HVM20: ata0-0: PCHS=2/16/63 translation=none LCHS=2...

...000 (ACPI Data) (XEN) (GUEST: 8) 00000000FEC00000 - 0000000100000000 (Type 16) (XEN) (GUEST: 8) (XEN) (GUEST: 8) Start BIOS ... (XEN) (GUEST: 8) Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) (GUEST: 8) rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) (GUEST: 8) Remapping master: ICW2 0x8 -> 0x20 (XEN) (GUEST: 8) Remapping slave: ICW2 0x70 -> 0x28 (XEN) (GUEST: 8) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ (XEN) (GUEST: 8) HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/05/07 15:55:26 $ (XEN) (GUEST: 8) (XEN) (GUEST: 8) ata0-0: PCHS=16383/16/6...

...(Type 17) (XEN) (GUEST: 33) 00000000FEC00000 - 0000000100000000 (Type 16) (XEN) (GUEST: 33) (XEN) (GUEST: 33) Start BIOS ... (XEN) (GUEST: 33) Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) (GUEST: 33) rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) (GUEST: 33) Remapping master: ICW2 0x8 -> 0x20 (XEN) (GUEST: 33) Remapping slave: ICW2 0x70 -> 0x28 (XEN) (GUEST: 33) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ (XEN) (GUEST: 33) HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/05/07 15:55:26 $ (XEN) (GUEST: 33) (XEN) (GUEST: 33) ata0-0: PCHS=16383...

I am trying to get QNX working with Xen. I''ve going about it in a similar way as installing windows with Xen, but when I start the guest up to install the OS it hangs on the line: ''Hit Esc for .altboot.......'' If anyone has managed to get this working, or has any ideas/advice for me here it would be greatly appreciated! Bryan

...0000000100000000 (Type 16) (XEN) (GUEST: 24) (XEN) (GUEST: 24) Start BIOS ... (XEN) (GUEST: 24) Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) (GUEST: 24) rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) HVM_PIT: guest freq in cycles=150008023 (XEN) (GUEST: 24) Remapping master: ICW2 0x8 -> 0x20 (XEN) (GUEST: 24) Remapping slave: ICW2 0x70 -> 0x28 (XEN) (GUEST: 24) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ (XEN) (GUEST: 24) HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/05/07 15:55:26 $ (XEN) (GUEST: 24) (XEN) (GUEST: 24) ata0-0: PCHS=16646/...

We (Michael Fetterman, George Dunlap and I) have been working over the last while on a full replacement for Xen''s shadow pagetable support. This mail contains some design notes, below; a patch against xen-unstable, giving a snapshot of the current state of the new shadow code, is at http://www.cl.cam.ac.uk/~tjd21/shadow2.patch Comments on both are welcome, although the code is not

...000000020003000 - 000000002000D000 (ACPI Data) 00000000FEC00000 - 0000000100000000 (Type 16) Start BIOS ... Starting emulated 16-bit real-mode: ip=F000:FFF0 rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ HVM_PIT:guest init pit channel 0! HVM_PIT:pass info 0xc00e90b to HV! Remapping master: ICW2 0x8 -> 0x20 Remapping slave: ICW2 0x70 -> 0x28 VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp $ set_map result i 0 result 3898b set_map result i 1 result 38988 ...yatta, yatta, yatta, set_map result i 3ff result 38589 HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 2005/...

...XEN) HVM10: Start BIOS ... (XEN) HVM10: Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) HVM10: 0x000FFFF0: 0xF000:0xFFF0 (0) <VM86_REAL> (XEN) HVM10: rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) HVM10: 0x000FE260: 0xF000:0xE260 (0) opc 0xB0 (XEN) HVM10: Remapping master: ICW2 0x8 -> 0x20 (XEN) HVM10: 0x000FE264: 0xF000:0xE264 (0) opc 0xB0 (XEN) HVM10: Remapping slave: ICW2 0x70 -> 0x28 (XEN) HVM10: 0x000FE268: 0xF000:0xE268 (0) opc 0xB0 (XEN) HVM10: 0x000FE26C: 0xF000:0xE26C (0) opc 0xB0 (XEN) HVM10: 0x000FE270: 0xF000:0xE270 (0) opc 0xB0 (XEN) HVM10: 0x000FE276:...

...00 - 0000000040000000 (Reserved) (XEN) HVM1: (XEN) HVM1: Start BIOS ... (XEN) HVM1: Starting emulated 16-bit real-mode: ip=F000:FFF0 (XEN) HVM1: rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $ (XEN) io.c:157:d32767 hvm_dpci_eoi:: device 2 intx 0 (XEN) HVM1: Remapping master: ICW2 0x8 -> 0x20 (XEN) HVM1: Remapping slave: ICW2 0x70 -> 0x28 (XEN) HVM1: *** int 15h function AX=5F21, BX=C000 not yet supported! (XEN) intel-iommu.c:741: iommu_page_fault: iommu->reg = fff77000 (XEN) intel-iommu.c:724: iommu_page_fault:DMA Write: DEVICE 0:2.0 addr 7e8000005...

(The list appears to have eaten my previous attempt to send this. Apologies if you receive multiple copies.) The attached patches allow you to use paravirtualised network and block interfaces from fully virtualised domains, based on Intel''s patches from a few months ago. These are significantly faster than the equivalent ioemu devices, sometimes by more than an order of magnitude.