From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Norton.Zhu" <norton.zhu@huawei.com>
Subject: Re: 82599 passthrough problem
Date: Thu, 4 Feb 2016 14:42:32 +0800
Message-ID: <56B2F2D8.40301@huawei.com>
References: <56B02AD4.5090100@huawei.com>
	<20160203175405.GC1069@char.us.oracle.com>
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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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@lists.xen.org
>> http://lists.xen.org/xen-devel
> 
>