On Thu, 5 May 2011, Cyrill Gorcunov wrote:
This also requires to tune up mptable code. Note the srcbusirq
need to follow specification convention, so we merge device
number and pin into one field inside mptable_set_default_int_src
helper.
Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
This seems to break virtio drivers on my box.
penberg@tiger:~/linux/tools/kvm$ ./kvm run --params="root=/dev/vda1"
--image=/home/penberg/images/debian_squeeze_amd64_standard.img
Warning: Config tap device error. Are you root?
[ 0.000000] Linux version 2.6.39-rc6+ (penberg@tiger) (gcc version
4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #29 SMP Wed May 4 20:32:24 EEST 2011
[ 0.000000] Command line: notsc nolapic noacpi pci=conf1 console=ttyS0
root=/dev/vda1
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000f0000 - 00000000000fffff (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 0000000004000000 (usable)
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] DMI not present or invalid.
[ 0.000000] No AGP bridge found
[ 0.000000] last_pfn = 0x4000 max_arch_pfn = 0x400000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x0, new 0x7010600070106
[ 0.000000] CPU MTRRs all blank - virtualized system.
[ 0.000000] found SMP MP-table at [ffff8800000f01f0] f01f0
[ 0.000000] init_memory_mapping: 0000000000000000-0000000004000000
[ 0.000000] ACPI Error: A valid RSDP was not found
(20110316/tbxfroot-219)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at 0000000000000000-0000000004000000
[ 0.000000] Initmem setup node 0 0000000000000000-0000000004000000
[ 0.000000] NODE_DATA [0000000003ffb000 - 0000000003ffffff]
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:1d112c1, boot clock
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000010 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal empty
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[2] active PFN ranges
[ 0.000000] 0: 0x00000010 -> 0x0000009f
[ 0.000000] 0: 0x00000100 -> 0x00004000
[ 0.000000] Intel MultiProcessor Specification v1.4
[ 0.000000] MPTABLE: OEM ID: KVMCPU00
[ 0.000000] MPTABLE: Product ID: 0.1
[ 0.000000] MPTABLE: APIC at: 0xFEE00000
[ 0.000000] Processor #0 (Bootup-CPU)
[ 0.000000] IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI
0-23
[ 0.000000] Processors: 1
[ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: 000000000009f000 -
00000000000a0000
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 -
00000000000f0000
[ 0.000000] PM: Registered nosave memory: 00000000000f0000 -
00000000000ff000
[ 0.000000] PM: Registered nosave memory: 00000000000ff000 -
0000000000100000
[ 0.000000] Allocating PCI resources starting at 4000000 (gap:
4000000:fc000000)
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:1
nr_node_ids:1
[ 0.000000] PERCPU: Embedded 26 pages/cpu @ffff880003c00000 s77504
r8192 d20800 u2097152
[ 0.000000] kvm-clock: cpu 0, msr 0:3c122c1, primary cpu clock
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on.
Total pages: 16042
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: notsc nolapic noacpi pci=conf1
console=ttyS0 root=/dev/vda1
[ 0.000000] notsc: Kernel compiled with CONFIG_X86_TSC, cannot disable
TSC completely.
[ 0.000000] PID hash table entries: 256 (order: -1, 2048 bytes)
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Memory: 47768k/65536k available (7267k kernel code, 452k
absent, 17316k reserved, 6033k data, 920k init)
[ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0,
CPUs=1, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU-based detection of stalled CPUs is disabled.
[ 0.000000] NR_IRQS:4352 nr_irqs:256 16
[ 0.000000] Console: colour *CGA 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] Detected 1995.237 MHz processor.
[ 0.010000] Calibrating delay loop (skipped) preset value.. 3990.47
BogoMIPS (lpj=19952370)
[ 0.010000] pid_max: default: 32768 minimum: 301
[ 0.010000] Dentry cache hash table entries: 8192 (order: 4, 65536
bytes)
[ 0.010000] Inode-cache hash table entries: 4096 (order: 3, 32768
bytes)
[ 0.010000] Mount-cache hash table entries: 256
[ 0.010000] Initializing cgroup subsys ns
[ 0.010029] ns_cgroup deprecated: consider using the 'clone_children'
flag without the ns_cgroup.
[ 0.012242] Initializing cgroup subsys freezer
[ 0.013472] mce: CPU supports 32 MCE banks
[ 0.014900] SMP alternatives: switching to UP code
[ 0.202195] Freeing SMP alternatives: 24k freed
[ 0.203506] ftrace: allocating 26766 entries in 105 pages
[ 0.220152] SMP disabled
[ 0.220822] Performance Events: unsupported p6 CPU model 15 no PMU
driver, software events only.
[ 0.231058] NMI watchdog disabled (cpu0): hardware events not enabled
[ 0.232703] Brought up 1 CPUs
[ 0.233450] Total of 1 processors activated (3990.47 BogoMIPS).
[ 0.235382] print_constraints: dummy:
[ 0.236561] Time: 20:12:16 Date: 05/05/11
[ 0.237665] NET: Registered protocol family 16
[ 0.238958] PCI: Using configuration type 1 for base access
[ 0.241971] bio: create slab <bio-0> at 0
[ 0.243110] ACPI: Interpreter disabled.
[ 0.244119] vgaarb: loaded
[ 0.244924] SCSI subsystem initialized
[ 0.245994] usbcore: registered new interface driver usbfs
[ 0.247402] usbcore: registered new interface driver hub
[ 0.248755] usbcore: registered new device driver usb
[ 0.250136] Advanced Linux Sound Architecture Driver Version 1.0.24.
[ 0.251633] PCI: Probing PCI hardware
[ 0.254610] Bluetooth: Core ver 2.16
[ 0.255456] NET: Registered protocol family 31
[ 0.256577] Bluetooth: HCI device and connection manager initialized
[ 0.258187] Bluetooth: HCI socket layer initialized
[ 0.260014] Bluetooth: L2CAP socket layer initialized
[ 0.261323] Bluetooth: SCO socket layer initialized
[ 0.262590] cfg80211: Calling CRDA to update world regulatory domain
[ 0.264410] Switching to clocksource kvm-clock
[ 0.268895] pnp: PnP ACPI: disabled
[ 0.268895] Switched to NOHz mode on CPU #0
[ 0.268895] NET: Registered protocol family 2
[ 0.268895] IP route cache hash table entries: 512 (order: 0, 4096
bytes)
[ 0.269490] TCP established hash table entries: 2048 (order: 3, 32768
bytes)
[ 0.271306] TCP bind hash table entries: 2048 (order: 3, 32768 bytes)
[ 0.272949] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.274531] TCP reno registered
[ 0.275318] UDP hash table entries: 128 (order: 0, 4096 bytes)
[ 0.276768] UDP-Lite hash table entries: 128 (order: 0, 4096 bytes)
[ 0.278368] NET: Registered protocol family 1
[ 0.279587] RPC: Registered udp transport module.
[ 0.280696] RPC: Registered tcp transport module.
[ 0.281755] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.283443] kvm: no hardware support
[ 0.284298] platform rtc_cmos: registered platform RTC device (no PNP
device found)
[ 0.286456] audit: initializing netlink socket (disabled)
[ 0.287845] type=2000 audit(1304626335.280:1): initialized
[ 0.310777] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.314176] VFS: Disk quotas dquot_6.5.2
[ 0.315246] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.317736] fuse init (API version 7.16)
[ 0.318760] Installing v9fs 9p2000 file system support
[ 0.319971] msgmni has been set to 93
[ 0.321298] io scheduler noop registered
[ 0.322339] io scheduler deadline registered
[ 0.323444] io scheduler cfq registered (default)
[ 0.324699] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.326116] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 0.327852] virtio-pci 0000:00:02.0: enabling device (0000 -> 0001)
[ 0.329448] virtio-pci 0000:00:02.0: can't find IRQ for PCI INT B;
please try using pci=biosirq
[ 0.331788] virtio-pci 0000:00:0a.0: enabling device (0000 -> 0001)
[ 0.333397] virtio-pci 0000:00:0a.0: can't find IRQ for PCI INT A;
please try using pci=biosirq
[ 0.335690] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.358999] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.382317] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 0.405555] serial8250: ttyS2 at I/O 0x3e8 (irq = 4) is a 16550A
[ 0.407353] virtio_console virtio0: Error -16 initializing vqs
[ 0.408695] virtio_console: probe of virtio0 failed with error -16
[ 0.410446] lp: driver loaded but no devices found
[ 0.411776] ppdev: user-space parallel port driver
[ 0.413003] Linux agpgart interface v0.103
[ 0.414080] [drm] Initialized drm 1.1.0 20060810
[ 0.416261] brd: module loaded
[ 0.417546] loop: module loaded
[ 0.418470] virtio_blk: probe of virtio1 failed with error -16
[ 0.420806] Fixed MDIO Bus: probed
[ 0.421717] sky2: driver version 1.28
[ 0.422684] PPP generic driver version 2.4.2
[ 0.423777] tun: Universal TUN/TAP device driver, 1.6
[ 0.425037] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
[ 0.426588] console [netcon0] enabled
[ 0.427454] netconsole: network logging started
[ 0.428536] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.430087] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.431484] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.433134] usbcore: registered new interface driver usbserial
[ 0.434611] usbserial: USB Serial Driver core
[ 0.435727] USB Serial support registered for pl2303
[ 0.436931] usbcore: registered new interface driver pl2303
[ 0.438214] pl2303: Prolific PL2303 USB to serial adaptor driver
[ 0.439730] usbcore: registered new interface driver isight_firmware
[ 0.441390] usbcore: registered new interface driver sisusb
[ 0.442838] i8042: PNP: No PS/2 controller found. Probing ports
directly.
[ 1.016545] i8042: Can't read CTR while initializing i8042
[ 1.017954] i8042: probe of i8042 failed with error -5
[ 1.019305] mousedev: PS/2 mouse device common for all mice
[ 1.020764] usbcore: registered new interface driver appletouch
[ 1.022547] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[ 1.024189] rtc0: alarms up to one day, 114 bytes nvram
[ 1.025490] applesmc: supported laptop not found!
[ 1.026560] applesmc: driver init failed (ret=-19)!
[ 1.027745] device-mapper: uevent: version 1.0.3
[ 1.028871] device-mapper: ioctl: 4.20.0-ioctl (2011-02-02)
initialised: dm-devel@xxxxxxxxxx
[ 1.031040] device-mapper: multipath: version 1.3.0 loaded
[ 1.032514] device-mapper: multipath round-robin: version 1.0.0 loaded
[ 1.034229] Bluetooth: Generic Bluetooth USB driver ver 0.6
[ 1.035647] usbcore: registered new interface driver btusb
[ 1.037031] cpuidle: using governor ladder
[ 1.038056] cpuidle: using governor menu
[ 1.039027] EFI Variables Facility v0.08 2004-May-17
[ 1.040495] usbcore: registered new interface driver usbhid
[ 1.041746] usbhid: USB HID core driver
[ 1.043358] ALSA device list:
[ 1.044042] #0: Virtual MIDI Card 1
[ 1.044903] nf_conntrack version 0.5.0 (373 buckets, 1492 max)
[ 1.046694] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 1.047912] TCP cubic registered
[ 1.048820] NET: Registered protocol family 10
[ 1.050518] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 1.051879] NET: Registered protocol family 17
[ 1.053066] Bridge firewalling registered
[ 1.054164] Bluetooth: RFCOMM TTY layer initialized
[ 1.055401] Bluetooth: RFCOMM socket layer initialized
[ 1.056696] Bluetooth: RFCOMM ver 1.11
[ 1.057633] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 1.058964] Bluetooth: BNEP filters: protocol multicast
[ 1.060340] Installing 9P2000 support
[ 1.061301] Registering the dns_resolver key type
[ 1.062595] registered taskstats version 1
[ 1.063689] Magic number: 11:657:244
[ 1.064801] rtc_cmos rtc_cmos: setting system clock to 2011-05-05
20:12:16 UTC (1304626336)
[ 1.066872] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 1.068349] EDD information not available.
[ 1.069666] md: Waiting for all devices to be available before
autodetect
[ 1.071386] md: If you don't use raid, use raid=noautodetect
[ 1.072930] md: Autodetecting RAID arrays.
[ 1.073947] md: Scanned 0 and added 0 devices.
[ 1.075044] md: autorun ...
[ 1.075750] md: ... autorun DONE.
[ 1.076662] VFS: Cannot open root device "vda1" or unknown-block(0,0)
[ 1.078252] Please append a correct "root=" boot option; here are the
available partitions:
[ 1.080293] Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
[ 1.082157] Pid: 1, comm: swapper Not tainted 2.6.39-rc6+ #29
[ 1.083437] Call Trace:
[ 1.084000] [<ffffffff81709759>] panic+0x91/0x1a8
[ 1.085116] [<ffffffff817098b1>] ? printk+0x41/0x48
[ 1.086358] [<ffffffff81d13118>] mount_block_root+0x1ea/0x29e
[ 1.087810] [<ffffffff81d13222>] mount_root+0x56/0x5a
[ 1.089088] [<ffffffff81d13396>] prepare_namespace+0x170/0x19d
[ 1.090497] [<ffffffff81d126b0>] kernel_init+0x12a/0x135
[ 1.091801] [<ffffffff81082f47>] ? schedule_tail+0x27/0xb0
[ 1.093210] [<ffffffff817150e4>] kernel_thread_helper+0x4/0x10
[ 1.094686] [<ffffffff81d12586>] ? parse_early_options+0x20/0x20
[ 1.096203] [<ffffffff817150e0>] ? gs_change+0x13/0x13
# KVM session terminated.
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