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From: Paolo Bonzini <pbonzini@redhat.com>
To: Chris Friesen <chris.friesen@windriver.com>
Cc: "Herongguang (Stephen)" <herongguang.he@huawei.com>,
	rkrcmar@redhat.com, kvm@vger.kernel.org, qemu-devel@nongnu.org,
	fangying1@huawei.com, "wangxin (U)" <wangxinxin.wang@huawei.com>
Subject: Re: kvm bug in __rmap_clear_dirty during live migration
Date: Fri, 10 Feb 2017 11:14:59 -0500 (EST)	[thread overview]
Message-ID: <1847999171.20327674.1486743299204.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <589DDC05.9010807@windriver.com>

> Well, not so much solved as worked around it.
> 
> It seems that the problem only showed up on Broadwell, which made us wonder
> about something hardware specific.

Yes, the bug seems to be related to PML.  I am looking at the code,
but I haven't found anything yet.

Paolo

WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Chris Friesen <chris.friesen@windriver.com>
Cc: "Herongguang (Stephen)" <herongguang.he@huawei.com>,
	rkrcmar@redhat.com, kvm@vger.kernel.org, qemu-devel@nongnu.org,
	fangying1@huawei.com, "wangxin (U)" <wangxinxin.wang@huawei.com>
Subject: Re: [Qemu-devel] kvm bug in __rmap_clear_dirty during live migration
Date: Fri, 10 Feb 2017 11:14:59 -0500 (EST)	[thread overview]
Message-ID: <1847999171.20327674.1486743299204.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <589DDC05.9010807@windriver.com>

> Well, not so much solved as worked around it.
> 
> It seems that the problem only showed up on Broadwell, which made us wonder
> about something hardware specific.

Yes, the bug seems to be related to PML.  I am looking at the code,
but I haven't found anything yet.

Paolo

  reply	other threads:[~2017-02-10 16:15 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-09 14:37 kvm bug in __rmap_clear_dirty during live migration Herongguang (Stephen)
2017-02-09 14:37 ` [Qemu-devel] " Herongguang (Stephen)
2017-02-10  8:50 ` Herongguang (Stephen)
2017-02-10  8:50   ` [Qemu-devel] " Herongguang (Stephen)
2017-02-10  9:11 ` Herongguang (Stephen)
2017-02-10  9:11   ` [Qemu-devel] " Herongguang (Stephen)
2017-02-10 15:28   ` Chris Friesen
2017-02-10 15:28     ` [Qemu-devel] " Chris Friesen
2017-02-10 16:14     ` Paolo Bonzini [this message]
2017-02-10 16:14       ` Paolo Bonzini
2017-02-13 13:19     ` hangaohuai
2017-02-13 13:19       ` hangaohuai
2017-02-20  2:17     ` hangaohuai
2017-02-20  2:17       ` [Qemu-devel] " hangaohuai
2017-02-20  4:38       ` Han, Huaitong
2017-02-22  3:08         ` Chris Friesen
2017-02-22 11:15           ` Paolo Bonzini
2017-02-22 13:31             ` Chris Friesen
2017-02-22 14:43               ` Paolo Bonzini
2017-02-24  2:23                 ` Herongguang (Stephen)
2017-02-24  2:23                   ` Herongguang (Stephen)
2017-02-24  9:35                   ` Herongguang (Stephen)
2017-02-24  9:35                     ` Herongguang (Stephen)
2017-02-24  9:59                     ` Greg KH
2017-02-24 10:00                       ` Paolo Bonzini
2017-02-24 10:07                         ` Greg KH
2017-02-24 10:07                           ` [Qemu-devel] " Greg KH
2017-02-24 15:10                   ` Chris Friesen
2017-02-24 15:10                     ` Chris Friesen
2017-02-24 15:14                     ` Paolo Bonzini
2017-02-24 15:14                       ` [Qemu-devel] " Paolo Bonzini
2017-02-25  1:44                       ` Herongguang (Stephen)
2017-02-25  1:44                         ` Herongguang (Stephen)
2017-02-27  7:38                         ` Huang, Kai
2017-02-27  7:38                           ` [Qemu-devel] " Huang, Kai
2017-03-13 14:58                           ` fangying
2017-03-13 14:58                             ` fangying
2017-03-13 16:57                             ` Paolo Bonzini
2017-03-16  1:40                               ` Huang, Kai

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