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[Xen-devel] dom0_shadow=1

To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>

From: Gerd Knorr <kraxel@xxxxxxx>

Date: Fri, 21 Oct 2005 15:14:01 +0200

Delivery-date: Fri, 21 Oct 2005 13:11:25 +0000

List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi, Trying to boot domain0 with dom0_shadow=1 fails ... Is this supposed to work? Gerd

Booting command-list kernel (hd0,1)/boot/tftp/xen.gz mem=984m dom0_mem=950m com1=115200,8n1 dom0_sha dow=1 [Multiboot-elf, <0x100000:0x6c1cc:0x27e34>, shtab=0x194078, entry=0x100000] module (hd0,1)/boot/tftp/vmlinuz3 console=tty0 console=ttyS0 root=/dev/sda2 ro selinux=0 sysrq=yes [Multiboot-module @ 0x195000, 0x4e94a0 bytes] module (hd0,1)/boot/tftp/initrd [Multiboot-module @ 0x67f000, 0x25ee00 bytes] __ __ _____ ___ _ _ \ \/ /___ _ __ |___ / / _ \ __| | _____ _____| | \ // _ \ '_ \ |_ \| | | |__ / _` |/ _ \ \ / / _ \ | / \ __/ | | | ___) | |_| |__| (_| | __/\ V / __/ | /_/\_\___|_| |_| |____(_)___/ \__,_|\___| \_/ \___|_| http://www.cl.cam.ac.uk/netos/xen University of Cambridge Computer Laboratory Xen version 3.0-devel (kraxel@xxxxxxxxxxx) (gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) Fri Oct 21 14:54:55 CEST 2005 Latest ChangeSet: Wed Oct 19 12:53:00 2005 +0100 7425:7c951e3eb5ab (XEN) Truncating memory map to 1007616kB (XEN) Physical RAM map: (XEN) 0000000000000000 - 000000000009fc00 (usable) (XEN) 000000000009fc00 - 00000000000a0000 (reserved) (XEN) 00000000000e6000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 000000003d800000 (usable) (XEN) System RAM: 983MB (1007228kB) (XEN) Xen heap: 10MB (10640kB) (XEN) PAE disabled. (XEN) found SMP MP-table at 000ff780 (XEN) DMI 2.3 present. (XEN) Using APIC driver default (XEN) ACPI: RSDP (v000 ACPIAM ) @ 0x000f55c0 (XEN) ACPI: RSDT (v001 INTEL @ÃS¸¨?? (XEN) 0x20050420 MSFT 0x00000097) @ 0x3f630000 (XEN) ACPI: FADT (v002 INTEL @ÃS¸¨?? (XEN) 0x20050420 MSFT 0x00000097) @ 0x3f630200 (XEN) ACPI: MADT (v001 INTEL @ÃS¸¨?? (XEN) 0x20050420 MSFT 0x00000097) @ 0x3f630390 (XEN) ACPI: MCFG (v001 INTEL @ÃS¸¨?? (XEN) 0x20050420 MSFT 0x00000097) @ 0x3f630400 (XEN) ACPI: MSEG (v001 INTEL @ÃS¸¨?? (XEN) 0x20050420 MSFT 0x00000097) @ 0x3f630440 (XEN) ACPI: WDDT (v001 INTEL OEMWDDT 0x00000001 INTL 0x02002026) @ 0x3f6363c0 (XEN) ACPI: DSDT (v001 INTEL @ÃS¸¨?? (XEN) 0x00000001 INTL 0x02002026) @ 0x00000000 (XEN) ACPI: Local APIC address 0xfee00000 (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) (XEN) Processor #0 15:4 APIC version 20 (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) (XEN) Processor #1 15:4 APIC version 20 (XEN) ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) (XEN) ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1]) (XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) (XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) (XEN) ACPI: IRQ0 used by override. (XEN) ACPI: IRQ2 used by override. (XEN) ACPI: IRQ9 used by override. (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) Using ACPI (MADT) for SMP configuration information (XEN) Initializing CPU#0 (XEN) Detected 3793.052 MHz processor. (XEN) Using scheduler: Simple EDF Scheduler (sedf) (XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K (XEN) CPU: L2 cache: 2048K (XEN) CPU: Physical Processor ID: 0 (XEN) VMXON is done (XEN) CPU0: Intel Genuine Intel(R) CPU 3.80GHz stepping 06 (XEN) Booting processor 1/1 eip 90000 (XEN) Initializing CPU#1 (XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K (XEN) CPU: L2 cache: 2048K (XEN) CPU: Physical Processor ID: 0 (XEN) VMXON is done (XEN) CPU1: Intel Genuine Intel(R) CPU 3.80GHz stepping 06 (XEN) Total of 2 processors activated. (XEN) ENABLING IO-APIC IRQs (XEN) ..TIMER: vector=0x31 pin1=2 pin2=-1 (XEN) checking TSC synchronization across 2 CPUs: passed. (XEN) Platform timer is 1.193MHz PIT (XEN) Brought up 2 CPUs (XEN) mtrr: v2.0 (20020519) (XEN) *** LOADING DOMAIN 0 *** (XEN) Xen-ELF header found: 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000,PAE=no,LOADER=generic' (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 3c000000->3d000000 (239104 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: c0100000->c0627244 (XEN) Init. ramdisk: c0628000->c0886e00 (XEN) Phys-Mach map: c0887000->c0974800 (XEN) Start info: c0975000->c0976000 (XEN) Page tables: c0976000->c097a000 (XEN) Boot stack: c097a000->c097b000 (XEN) TOTAL: c0000000->c0c00000 (XEN) ENTRY ADDRESS: c0100000 (XEN) Initrd len 0x25ee00, start at 0xc0628000 (XEN) dom0: shadow enable (XEN) audit1 (XEN) audit1 done (XEN) audit2 (XEN) audit2 done (XEN) Audit 0: [l1mfn=3c979, i=176] Illegal RW t=58000001 mfn=3c976 (XEN) Audit 0: [l1mfn=3c979, i=177] Illegal RW t=33000001 mfn=3c977 (XEN) Audit 0: [l1mfn=3c979, i=178] Illegal RW t=33010001 mfn=3c978 (XEN) Audit 0: [l1mfn=3c979, i=179] Illegal RW t=33020001 mfn=3c979 (XEN) Audit 0: [l1mfn=3c979, i=176] Illegal RW t=58000002 mfn=3c976 (XEN) Audit 0: [l1mfn=3c979, i=177] Illegal RW t=33000001 mfn=3c977 (XEN) Audit 0: [l1mfn=3c979, i=178] Illegal RW t=33010001 mfn=3c978 (XEN) Audit 0: [l1mfn=3c979, i=179] Illegal RW t=33020001 mfn=3c979 (XEN) audit3 (XEN) audit3 done (XEN) dom0: shadow setup done (XEN) Scrubbing Free RAM: ..........done. (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen). Linux version 2.6.12.5-xen0-hg7425 (kraxel@eskarina) (gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) #1 SMP Fri Oct 21 14:39:00 CEST 2005 BIOS-provided physical RAM map: Xen: 0000000000000000 - 000000003b600000 (usable) 118MB HIGHMEM available. 832MB LOWMEM available. found SMP MP-table at 000ff780 DMI 2.3 present. 0x20050420 MSFT 0x00000097) @ 0x3f630000 0x20050420 MSFT 0x00000097) @ 0x3f630200 0x20050420 MSFT 0x00000097) @ 0x3f630390 0x20050420 MSFT 0x00000097) @ 0x3f630400 0x20050420 MSFT 0x00000097) @ 0x3f630440 0x00000001 INTL 0x02002026) @ 0x00000000 ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1]) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) Enabling APIC mode: Flat. Using 1 I/O APICs Using ACPI (MADT) for SMP configuration information IRQ lockup detection disabled Allocating PCI resources starting at 3d800000 (gap: 3d800000:c2800000) Built 1 zonelists Kernel command line: console=tty0 console=ttyS0 root=/dev/sda2 ro selinux=0 sysrq=yes Initializing CPU#0 PID hash table entries: 4096 (order: 12, 65536 bytes) Xen reported: 3793.052 MHz processor. Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Software IO TLB disabled vmalloc area: f4800000-fb7fe000, maxmem 34000000 Memory: 953888k/972800k available (3481k kernel code, 18276k reserved, 1126k data, 364k init, 120832k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Mount-cache hash table entries: 512 CPU: Trace cache: 12K uops, L1 D cache: 16K CPU: L2 cache: 2048K Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... disabled (XEN) DOM0: (file=mm.c, line=1467) Bad type (saw 33020002 != exp e0000000) for mfn 3c979 (pfn 979) (XEN) DOM0: (file=mm.c, line=478) Error getting mfn 3c979 (pfn 979) from L1 entry 3c979063 for dom0 (XEN) DOM0: (file=mm.c, line=2944) ptwr: Could not re-validate l1 page

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