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

[Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>]

Hi, all

I could fix this issue by using CONFIG_GENERIC_PENDING_IRQ=n.
What do you think the following patch?
Is this too hacky?

Signed-off-by: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>

Best Regards,

Akio Takebe

>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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Attachment: disable_GENERIC_HARDIRQS.patch
Description: Binary data

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