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[Xen-ia64-devel] [RFC] Warning at move_native_irq()

from [Akio Takebe]

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To:	xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	[Xen-ia64-devel] [RFC] Warning at move_native_irq()
From:	Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date:	Wed, 23 May 2007 17:27:56 +0900
Delivery-date:	Wed, 23 May 2007 01:26:35 -0700
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Hi,

I met the following WARN_ON(1) when I booted smp domU of RHEL5.
This message is occurred by setting desc->move_irq=1.
I investigated this issue, I found move_irq is 1 when irqbalance is on.
Probably irqbalance call set_pending_irq().
How should we solve the issue?
Any idea?

BUG: warning at /home/takebe/xen-3.1-testing.hg/linux-2.6.18-xen/kernel/irq/
migration.c:27/move_native_irq()
                                                                                
  
                          
Call Trace:
 [<a00000010001cd40>] show_stack+0x40/0xa0
                                sp=a000000100c539e0 bsp=a000000100c4d1e0
 [<a00000010001cdd0>] dump_stack+0x30/0x60                              
                                sp=a000000100c53bb0 bsp=a000000100c4d1c8
 [<a0000001000de6d0>] move_native_irq+0xd0/0x360                        
                                sp=a000000100c53bb0 bsp=a000000100c4d190
 [<a0000001006ac700>] ack_dynirq+0x40/0x100                             
                                sp=a000000100c53bb0 bsp=a000000100c4d170
 [<a0000001000d95a0>] __do_IRQ+0x100/0x420                              
                                sp=a000000100c53bb0 bsp=a000000100c4d128
 [<a0000001006ad2c0>] evtchn_do_upcall+0x1c0/0x320                      
                                sp=a000000100c53bb0 bsp=a000000100c4d090
 [<a000000100067c80>] xen_event_callback+0x380/0x3c0                    
                                sp=a000000100c53bb0 bsp=a000000100c4d090

Best Regards,

Akio Takebe


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