[Qemu-devel] guest kernel 3.10 panic at boot (__mcheck_cpu_init_generic) with kvm64 vcpu + amd host cpu (qemu 1.4)

[Alexandre DERUMIER]

Hi List,
I'm trying to boot a debian squeeze guest with a 3.10 kernel, and I have a 
crash at boot

This only happen with kvm64 vcpu + amd host (opteron 6100 or opteron 6300).

host vcpu + amd host works fine
kvm64 vcpu + intel host works fine too.


host os is proxmox 3.1 (rhel 6.4 2.6.32 kernel + qemu 64)

I can boot fine this guest with 3.7 kernel.

(I'll try to build 3.8 and 3.9 kernel later this week).

Any idea ?

Regards,

Alexandre




[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.10.7 
root=UUID=a8eb9f6e-dbc6-4797-baea-8e7198e8e541 ro console=ttyS0 console=tty0
[    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 0x00000000000f0000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000dfffdfff] usable
[    0.000000] BIOS-e820: [mem 0x00000000dfffe000-0x00000000dfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fffffff] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] SMBIOS 2.4 present.
[    0.000000] No AGP bridge found
[    0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000
[    0.000000] x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106
[    0.000000] e820: last_pfn = 0xdfffe max_arch_pfn = 0x400000000
[    0.000000] found SMP MP-table at [mem 0x000fdaa0-0x000fdaaf] mapped at 
[ffff8800000fdaa0]
[    0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[    0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff]
[    0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff]
[    0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff]
[    0.000000] init_memory_mapping: [mem 0x00100000-0xdfffdfff]
[    0.000000] RAMDISK: [mem 0x37576000-0x37feffff]
[    0.000000] ACPI: RSDP 00000000000fd890 00014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 00000000dfffe380 00034 (v01 BOCHS  BXPCRSDT 00000001 
BXPC 00000001)
[    0.000000] ACPI: FACP 00000000dfffff80 00074 (v01 BOCHS  BXPCFACP 00000001 
BXPC 00000001)
[    0.000000] ACPI: DSDT 00000000dfffe3c0 011A9 (v01   BXPC   BXDSDT 00000001 
INTL 20100528)
[    0.000000] ACPI: FACS 00000000dfffff40 00040
[    0.000000] ACPI: SSDT 00000000dffff6e0 00858 (v01 BOCHS  BXPCSSDT 00000001 
BXPC 00000001)
[    0.000000] ACPI: APIC 00000000dffff5b0 00090 (v01 BOCHS  BXPCAPIC 00000001 
BXPC 00000001)
[    0.000000] ACPI: HPET 00000000dffff570 00038 (v01 BOCHS  BXPCHPET 00000001 
BXPC 00000001)
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff]
[    0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff]
[    0.000000]   NODE_DATA [mem 0x11fff8000-0x11fffbfff]
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x00001000-0x00ffffff]
[    0.000000]   DMA32    [mem 0x01000000-0xffffffff]
[    0.000000]   Normal   [mem 0x100000000-0x11fffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00001000-0x0009efff]
[    0.000000]   node   0: [mem 0x00100000-0xdfffdfff]
[    0.000000]   node   0: [mem 0x100000000-0x11fffffff]
[    0.000000] ACPI: PM-Timer IO Port: 0xb008
[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
[    0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    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 - 0000000000100000
[    0.000000] PM: Registered nosave memory: 00000000dfffe000 - 00000000e0000000
[    0.000000] PM: Registered nosave memory: 00000000e0000000 - 00000000feffc000
[    0.000000] PM: Registered nosave memory: 00000000feffc000 - 00000000ff000000
[    0.000000] PM: Registered nosave memory: 00000000ff000000 - 00000000fffc0000
[    0.000000] PM: Registered nosave memory: 00000000fffc0000 - 0000000100000000
[    0.000000] e820: [mem 0xe0000000-0xfeffbfff] available for PCI devices
[    0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:4 
nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff88011fc00000 s80320 r8192 
d22080 u524288
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total 
pages: 1034118
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.10.7 
root=UUID=a8eb9f6e-dbc6-4797-baea-8e7198e8e541 ro console=ttyS0 console=tty0
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 4048404k/4718592k available (3634k kernel code, 524688k 
absent, 145500k reserved, 3099k data, 880k init)
[    0.000000] Hierarchical RCU implementation.
[    0.000000]  RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000]  RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4.
[    0.000000] NR_IRQS:33024 nr_irqs:712 16
[    0.000000] Console: colour VGA+ 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [ttyS0] enabled
[    0.000000] tsc: Fast TSC calibration using PIT
[    0.000000] tsc: Detected 2100.144 MHz processor
[    0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized
[    0.014735] Calibrating delay loop (skipped), value calculated using timer 
frequency.. 4200.28 BogoMIPS (lpj=8400576)
[    0.017534] pid_max: default: 32768 minimum: 301
[    0.020084] Security Framework initialized
[    0.021949] AppArmor: AppArmor disabled by boot time parameter
[    0.024371] Dentry cache hash table entries: 524288 (order: 10, 4194304 
bytes)
[    0.030339] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    0.036417] Mount-cache hash table entries: 256
[    0.038814] Initializing cgroup subsys devices
[    0.040010] Initializing cgroup subsys freezer
[    0.042124] Initializing cgroup subsys net_cls
[    0.044007] Initializing cgroup subsys blkio
[    0.045905] Initializing cgroup subsys perf_event
[    0.048286] mce: CPU supports 10 MCE banks
[    0.050199] general protection fault: 0000 [#1] SMP 
[    0.052000] Modules linked in:
[    0.052000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.7-odiso #3
[    0.052000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    0.052000] task: ffffffff81610400 ti: ffffffff81600000 task.ti: 
ffffffff81600000
[    0.052000] RIP: 0010:[<ffffffff81018167>]  [<ffffffff81018167>] 
__mcheck_cpu_init_generic+0x8f/0xb1
[    0.052000] RSP: 0000:ffffffff81601ef8  EFLAGS: 00010217
[    0.052000] RAX: fffffffffffffbff RBX: ffffffff816882c0 RCX: 0000000000000410
[    0.052000] RDX: 00000000ffffffff RSI: 0000000000000004 RDI: 0000000000000410
[    0.052000] RBP: 000000000100010a R08: 0000000000000000 R09: ffff88011f0024d8
[    0.052000] R10: 0000000000000000 R11: ffff88011f0005c0 R12: 0000000000000280
[    0.052000] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    0.052000] FS:  0000000000000000(0000) GS:ffff88011fc00000(0000) 
knlGS:0000000000000000
[    0.052000] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[    0.052000] CR2: ffff88011ffff000 CR3: 000000000160b000 CR4: 00000000000006f0
[    0.052000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.052000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[    0.052000] Stack:
[    0.052000]  00000000ffffffff 0000000000000000 0000000000000000 
ffffffff81378b8c
[    0.052000]  0000000000000000 0000000000000000 0000000000000000 
ffffffff816882c0
[    0.052000]  ffffffff816882d4 ffffffff813769b7 6db6db6db6db6db7 
ffffffff8172e8d0
[    0.052000] Call Trace:
[    0.052000]  [<ffffffff81378b8c>] ? mcheck_cpu_init+0x351/0x3d9
[    0.052000]  [<ffffffff813769b7>] ? identify_cpu+0x355/0x36e
[    0.052000]  [<ffffffff816af120>] ? identify_boot_cpu+0x10/0x47
[    0.052000]  [<ffffffff816af176>] ? check_bugs+0x9/0x2e
[    0.052000]  [<ffffffff816a9e91>] ? start_kernel+0x3d2/0x404
[    0.052000]  [<ffffffff816a98f8>] ? repair_env_string+0x58/0x58
[    0.052000]  [<ffffffff816a95a1>] ? x86_64_start_kernel+0x12f/0x133
[    0.052000] Code: 00 04 00 00 31 f6 45 31 c0 eb 32 48 63 c6 48 c1 e0 06 48 
03 05 23 19 67 00 80 78 08 00 74 19 48 8b 00 89 f9 48 89 c2 48 c1 ea 20 <0f> 30 
8d 4f 01 44 89 c0 44 89 c2 0f 30 ff c6 83 c7 04 0f b6 05 
[    0.052000] RIP  [<ffffffff81018167>] __mcheck_cpu_init_generic+0x8f/0xb1
[    0.052000]  RSP <ffffffff81601ef8>
[    0.052029] ---[ end trace 762a7d1ce4cb828c ]---
[    0.053949] Kernel panic - not syncing: Attempted to kill the idle task!