Hello, [ 0.248962] Pid: 0, comm: swapper/0 Not tainted 3.6.0-rc1+ #24 [penberg@tux ~]$ cat perf-kvmtool-issue Hello, Has anyone seen this? It's kvmtool/next with 3.6.0-rc1. Looks like we are doing uncore_init() on virtualized CPU which breaks boot. Pekka [penberg@tux kvm]$ ./vm run # lkvm run -k ../../arch/x86/boot/bzImage -m 448 -c 4 --name guest-30425 early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.6.0-rc1+ (penberg@tux) (gcc version 4.6.3 20120306 (Red Hat 4.6.3-2) (GCC) ) #24 SMP Thu Aug 16 09:55:41 EEST 2012 [ 0.000000] Command line: noapic noacpi pci=conf1 reboot=k panic=1 i8042.direct=1 i8042.dumbkbd=1 i8042.nopnp=1 console=ttyS0 earlyprintk=serial i8042.noaux=1 root=/dev/root rw rootflags=rw,trans=virtio,version=9p2000.L rootfstype=9p init=/virt/init ip=dhcp [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000ffffe] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001bffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI not present or invalid. [ 0.000000] No AGP bridge found [ 0.000000] e820: last_pfn = 0x1c000 max_arch_pfn = 0x400000000 [ 0.000000] x86 PAT enabled: cpu 0, old 0x70106, new 0x7010600070106 [ 0.000000] CPU MTRRs all blank - virtualized system. [ 0.000000] found SMP MP-table at [mem 0x000f0370-0x000f037f] mapped at [ffff8800000f0370] [ 0.000000] init_memory_mapping: [mem 0x00000000-0x1bffffff] [ 0.000000] ACPI BIOS Bug: Error: A valid RSDP was not found (20120711/tbxfroot-219) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000001bffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x1bffffff] [ 0.000000] NODE_DATA [mem 0x1bffc000-0x1bffffff] [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00010000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00010000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0x1bffffff] [ 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] Processor #1 [ 0.000000] Processor #2 [ 0.000000] Processor #3 [ 0.000000] IOAPIC[0]: apic_id 5, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] Processors: 4 [ 0.000000] smpboot: Allowing 4 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] e820: [mem 0x1c000000-0xffffffff] available for PCI devices [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 27 pages/cpu @ffff88001bc00000 s78272 r8192 d24128 u524288 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 112777 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: noapic noacpi pci=conf1 reboot=k panic=1 i8042.direct=1 i8042.dumbkbd=1 i8042.nopnp=1 console=ttyS0 earlyprintk=serial i8042.noaux=1 root=/dev/root rw rootflags=rw,trans=virtio,version=9p2000.L rootfstype=9p init=/virt/init ip=dhcp [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] __ex_table already sorted, skipping sort [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Memory: 434972k/458752k available (7288k kernel code, 452k absent, 23328k reserved, 5691k data, 600k init) [ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.000000] NR_IRQS:4352 nr_irqs:712 16 [ 0.000000] Console: colour *CGA 80x25 [ 0.000000] console [ttyS0] enabled, bootconsole disabled [ 0.000000] console [ttyS0] enabled, bootconsole disabled [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 2691.428 MHz processor [ 0.003002] Calibrating delay loop (skipped), value calculated using timer frequency.. 5382.85 BogoMIPS (lpj=2691428) [ 0.004003] pid_max: default: 32768 minimum: 301 [ 0.004451] Security Framework initialized [ 0.004835] SELinux: Initializing. [ 0.005054] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.006215] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.007007] Mount-cache hash table entries: 256 [ 0.007613] Initializing cgroup subsys cpuacct [ 0.008003] Initializing cgroup subsys freezer [ 0.008471] CPU: Physical Processor ID: 0 [ 0.008845] CPU: Processor Core ID: 0 [ 0.009010] mce: CPU supports 32 MCE banks [ 0.009475] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0 [ 0.009475] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32 [ 0.009475] tlb_flushall_shift is 0x5 [ 0.011340] smpboot: CPU0: Intel 06/2a stepping 07 [ 0.113066] Performance Events: unsupported p6 CPU model 42 no PMU driver, software events only. [ 0.114236] smpboot: Booting Node 0, Processors #1 #2 #3 OK [ 0.154994] Brought up 4 CPUs [ 0.155430] smpboot: Total of 4 processors activated (21531.42 BogoMIPS) [ 0.160325] kworker/u:0 (25) used greatest stack depth: 5496 bytes left [ 0.160305] RTC time: 6:57:03, date: 08/16/12 [ 0.160305] NET: Registered protocol family 16 [ 0.162117] PCI: Using configuration type 1 for base access [ 0.203066] bio: create slab <bio-0> at 0 [ 0.204033] ACPI: Interpreter disabled. [ 0.205033] vgaarb: loaded [ 0.206011] SCSI subsystem initialized [ 0.208018] usbcore: registered new interface driver usbfs [ 0.209001] usbcore: registered new interface driver hub [ 0.209491] usbcore: registered new device driver usb [ 0.211051] Advanced Linux Sound Architecture Driver Version 1.0.25. [ 0.211972] PCI: Probing PCI hardware [ 0.213020] PCI host bridge to bus 0000:00 [ 0.213976] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 0.214974] pci_bus 0000:00: root bus resource [mem 0x00000000-0xfffffffff] [ 0.216973] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff] [ 0.222975] cfg80211: Calling CRDA to update world regulatory domain [ 0.223020] NetLabel: Initializing [ 0.223021] NetLabel: domain hash size = 128 [ 0.223021] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.223044] NetLabel: unlabeled traffic allowed by default [ 0.227100] pnp: PnP ACPI: disabled [ 0.238040] NET: Registered protocol family 2 [ 0.239072] TCP established hash table entries: 16384 (order: 6, 262144 bytes) [ 0.240352] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 0.241060] TCP: Hash tables configured (established 16384 bind 16384) [ 0.242001] TCP: reno registered [ 0.242970] UDP hash table entries: 256 (order: 1, 8192 bytes) [ 0.243625] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) [ 0.244028] NET: Registered protocol family 1 [ 0.245063] RPC: Registered named UNIX socket transport module. [ 0.245663] RPC: Registered udp transport module. [ 0.245965] RPC: Registered tcp transport module. [ 0.246410] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.247141] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 0.247977] general protection fault: 0000 [#1] SMP [ 0.248736] Modules linked in: [ 0.248962] CPU 0 [ 0.248962] Pid: 0, comm: swapper/0 Not tainted 3.6.0-rc1+ #24 [ 0.248962] RIP: 0010:[<ffffffff810175d1>] [<ffffffff810175d1>] snb_uncore_msr_init_box+0x21/0x30 [ 0.248962] RSP: 0018:ffff88001bc03ed8 EFLAGS: 00000046 [ 0.248962] RAX: 000000002000000f RBX: ffff88001ab96800 RCX: 0000000000000391 [ 0.248962] RDX: 0000000000000000 RSI: ffffffffffffeb9f RDI: ffff88001ab96a00 [ 0.248962] RBP: ffff88001bc03ed8 R08: 0000000000000000 R09: 0000000000000000 [ 0.248962] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81ca3010 [ 0.248962] R13: 0000000000000000 R14: ffff88001ab96a00 R15: 0000000000000000 [ 0.248962] FS: 0000000000000000(0000) GS:ffff88001bc00000(0000) knlGS:0000000000000000 [ 0.248962] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.248962] CR2: 0000000000000000 CR3: 0000000001c0b000 CR4: 00000000000406f0 [ 0.248962] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.248962] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 0.248962] Process swapper/0 (pid: 0, threadinfo ffffffff81c00000, task ffffffff81c13440) [ 0.248962] Stack: [ 0.248962] ffff88001bc03ee8 ffffffff8170659d ffff88001bc03f48 ffffffff817008a1 [ 0.248962] ffff88001bc0d840 0000000000000000 0000000000000000 ffffffff81c172a0 [ 0.248962] ffff88001bc03f38 ffff88001bc93000 0000000000000000 00000000ffffffff [ 0.248962] Call Trace: [ 0.248962] <IRQ> [ 0.248962] [<ffffffff8170659d>] uncore_box_init+0x2c/0x2e [ 0.248962] [<ffffffff817008a1>] uncore_cpu_starting+0xeb/0x12b [ 0.248962] [<ffffffff81cca71e>] ? uncore_types_init+0x187/0x187 [ 0.248962] [<ffffffff81cca72f>] uncore_cpu_setup+0x11/0x13 [ 0.248962] [<ffffffff8108d00d>] generic_smp_call_function_interrupt+0x8d/0x190 [ 0.248962] [<ffffffff81022e72>] smp_call_function_interrupt+0x22/0x40 [ 0.248962] [<ffffffff8171ab77>] call_function_interrupt+0x67/0x70 [ 0.248962] <EOI> [ 0.248962] [<ffffffff8100a4e9>] ? default_idle+0x59/0x1f0 [ 0.248962] [<ffffffff8100aee6>] cpu_idle+0x86/0xd0 [ 0.248962] [<ffffffff816e7219>] rest_init+0x6d/0x74 [ 0.248962] [<ffffffff81cc2b50>] start_kernel+0x332/0x33f [ 0.248962] [<ffffffff81cc261e>] ? repair_env_string+0x5a/0x5a [ 0.248962] [<ffffffff81cc232d>] x86_64_start_reservations+0x131/0x135 [ 0.248962] [<ffffffff81cc2421>] x86_64_start_kernel+0xf0/0xf7 [ 0.248962] Code: 66 2e 0f 1f 84 00 00 00 00 00 48 8b 87 08 01 00 00 55 48 89 e5 8b 80 d0 00 00 00 85 c0 75 0e 31 d2 b8 0f 00 00 20 b9 91 03 00 00 <0f> 30 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 31 d2 31 c0 b9 [ 0.248962] RIP [<ffffffff810175d1>] snb_uncore_msr_init_box+0x21/0x30 [ 0.248962] RSP <ffff88001bc03ed8> [ 0.248962] ---[ end trace 07d1ad15f2b29779 ]--- [ 0.248962] Kernel panic - not syncing: Fatal exception in interrupt [ 0.248962] Rebooting in 1 seconds.. # KVM compatibility warning. virtio-9p device was not detected. While you have requested a virtio-9p device, the guest kernel did not initialize it. Please make sure that the guest kernel was compiled with CONFIG_NET_9P_VIRTIO=y enabled in .config. # KVM compatibility warning. virtio-net device was not detected. While you have requested a virtio-net device, the guest kernel did not initialize it. Please make sure that the guest kernel was compiled with CONFIG_VIRTIO_NET=y enabled in .config. # KVM session ended normally. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
