Re: [Xen-devel] 82599 passthrough problem

["Norton.Zhu" <norton.zhu@xxxxxxxxxx>]

XEN HVM, after it hung, no serial log printed.
it hang in __pirq_guest_unbind. its call stack as follows:
(XEN)    [<ffff82c4801682d6>] __pirq_guest_unbind+0x36/0x350
(XEN)    [<ffff82c4801682d6>] __pirq_guest_unbind+0x36/0x350
(XEN)    [<ffff82c480186e7b>] do_invalid_op+0x30b/0x3f0
(XEN)    [<ffff82c48017e22c>] flush_area_mask+0x7c/0x130
(XEN)    [<ffff82c480217808>] handle_exception_saved+0x30/0x6e
(XEN)    [<ffff82c4801682cc>] __pirq_guest_unbind+0x2c/0x350
(XEN)    [<ffff82c4801667a4>] domain_spin_lock_irq_desc+0x64/0xa0
(XEN)    [<ffff82c4801689ed>] pirq_guest_unbind+0x5d/0x170
(XEN)    [<ffff82c480141d9e>] pci_release_devices+0x13e/0x230
(XEN)    [<ffff82c48015df28>] domain_relinquish_resources+0xa8/0x2a0

On 2016/2/4 1:54, Konrad Rzeszutek Wilk wrote:
> On Tue, Feb 02, 2016 at 12:04:36PM +0800, Norton.Zhu wrote:
>> Hi,all:
>>
>> I met a problem when passthrough 82599 to domU(for some reasons, I use pci 
>> passthrough not SRIOV).
> 
> Is this PV or HVM?
> 
>> It works well after passthrough, but the host hung after destroy domU.
>> Btw, no log prints even from serial port, but I found it hung afer unbind 
>> irq.
>> anyone knows what's wrong with it? thanks.
> 
> Serial logs?
>>
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxx
>> http://lists.xen.org/xen-devel
> 
> 


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