Re: [Xen-devel] Warning in current pv_ops Kernel

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Feb 25, 2010 at 10:53:19PM +0100, Carsten Schiers wrote:
> Dear all,
> 
> found the following warning during boot of current pv_ops kernel under
> Xen 3.4.2, 2.6.18.8 Dom0 64Bit, Kernel is also 64 Bit:
> 
> [    0.000999] ------------[ cut here ]------------
> [    0.000999] WARNING: at 
> /usr/src/xen/xen-unstable.hg/linux-2.6-pvopsamd64.git/arch/x86/kernel/ap
> ic/apic.c:247 native_apic_write_dummy+0x30/0x3c()
> [    0.000999] Modules linked in:
> [    0.000999] Pid: 0, comm: swapper Not tainted 2.6.31.6 #1
> [    0.000999] Call Trace:
> [    0.000999]  [<ffffffff81048cf6>] ? native_apic_write_dummy+0x30/0x3c
> [    0.000999]  [<ffffffff8106bdb4>] warn_slowpath_common+0x77/0xa4
> [    0.000999]  [<ffffffff8106bdf0>] warn_slowpath_null+0xf/0x11
> [    0.000999]  [<ffffffff81048cf6>] native_apic_write_dummy+0x30/0x3c
> [    0.000999]  [<ffffffff8103f4a7>] perf_counters_lapic_init+0x2e/0x30
> [    0.000999]  [<ffffffff8192d94f>] init_hw_perf_counters+0x305/0x3a2
> [    0.000999]  [<ffffffff8102f80f>] ? xen_restore_fl_direct_end+0x0/0x1
> [    0.000999]  [<ffffffff810fac40>] ? kmem_cache_alloc+0xcb/0x12d
> [    0.000999]  [<ffffffff8192d61b>] identify_boot_cpu+0x3c/0x3e
> [    0.000999]  [<ffffffff8192d626>] check_bugs+0x9/0x2d
> [    0.000999]  [<ffffffff81924630>] start_kernel+0x41d/0x432
> [    0.000999]  [<ffffffff81923b1f>] x86_64_start_reservations+0xaa/0xae
> [    0.000999]  [<ffffffff8192829a>] xen_start_kernel+0x633/0x63a
> [    0.000999] ---[ end trace 4eaa2a86a8e2da22 ]---
> 
> Hope it helps, if any additional information is needed, please let me
> know.
> 

>From what branch is this kernel from? xen/master?

-- Pasi


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