[Xen-devel] Xen warning with xen/stable-2.6.32.x

[Dmitriy Novikov <dimetrios@xxxxxxxxx>]

Xen/stable-2.6.32.11 drops warning when booting

[    0.004569] Performance Events: AMD PMU driver.
[    0.004719] ------------[ cut here ]------------
[    0.004828] WARNING: at arch/x86/xen/enlighten.c:721
init_hw_perf_events+0x307/0x3a7()
[    0.004976] Hardware name: H8DA8/H8DAR
[    0.005073] Modules linked in:
[    0.005218] Pid: 0, comm: swapper Not tainted 2.6.32.11-xen-dom0 #1
[    0.005326] Call Trace:
[    0.005426]  [<ffffffff8104e20f>] ? warn_slowpath_common+0x76/0x8c
[    0.005536]  [<ffffffff814e4547>] ? init_hw_perf_events+0x307/0x3a7
[    0.005647]  [<ffffffff814e4084>] ? identify_boot_cpu+0x15/0x3d
[    0.005755]  [<ffffffff814e421b>] ? check_bugs+0x9/0x2e
[    0.005863]  [<ffffffff814ddccc>] ? start_kernel+0x3cb/0x3e5
[    0.005971]  [<ffffffff814df937>] ? xen_start_kernel+0x64a/0x64e
[    0.006086] ---[ end trace a7919e7f17c0a725 ]---
[    0.006189] ... version:                0
[    0.006287] ... bit width:              48
[    0.006386] ... generic registers:      4
[    0.006484] ... value mask:             0000ffffffffffff
[    0.006587] ... max period:             00007fffffffffff
[    0.006691] ... fixed-purpose events:   0
[    0.006789] ... event mask:             000000000000000f
[    0.006909] SMP alternatives: switching to UP code

# grep 'model name' /proc/cpuinfo
model name      : Dual Core AMD Opteron(tm) Processor 265

# lspci
00:06.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8111 PCI (rev 07)
00:07.0 ISA bridge: Advanced Micro Devices [AMD] AMD-8111 LPC (rev 05)
00:07.1 IDE interface: Advanced Micro Devices [AMD] AMD-8111 IDE (rev 03)
00:07.2 SMBus: Advanced Micro Devices [AMD] AMD-8111 SMBus 2.0 (rev 02)
00:07.3 Bridge: Advanced Micro Devices [AMD] AMD-8111 ACPI (rev 05)
00:0a.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge (rev 13)
00:0a.1 PIC: Advanced Micro Devices [AMD] AMD-8131 PCI-X IOAPIC (rev 01)
00:0b.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge (rev 13)
00:0b.1 PIC: Advanced Micro Devices [AMD] AMD-8131 PCI-X IOAPIC (rev 01)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] Miscellaneous Control
00:19.0 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] HyperTransport Technology Configuration
00:19.1 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] Address Map
00:19.2 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] DRAM Controller
00:19.3 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] Miscellaneous Control
01:03.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID (rev 01)
02:05.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704
Gigabit Ethernet (rev 10)
02:05.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5704
Gigabit Ethernet (rev 10)
03:00.0 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB OHCI (rev 0b)
03:00.1 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB OHCI (rev 0b)
03:04.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)

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