From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
To: Wanpeng Li <wanpeng.li@hotmail.com>, Janusz <januszmk6@gmail.com>,
Laszlo Ersek <lersek@redhat.com>,
kvm@vger.kernel.org
Cc: edk2-devel@ml01.01.org
Subject: Re: [edk2] KVM: MTRR: fix memory type handling if MTRR is completely disabled
Date: Mon, 21 Sep 2015 11:40:49 +0800 [thread overview]
Message-ID: <55FF7C41.7070400@linux.intel.com> (raw)
In-Reply-To: <BLU437-SMTP104744D03206E82EA10655C80460@phx.gbl>
On 09/21/2015 11:30 AM, Wanpeng Li wrote:
> On 9/21/15 10:51 AM, Xiao Guangrong wrote:
>>
>> Thanks for your report and analysis, Janusz!
>>
>> On 09/19/2015 01:48 AM, Janusz wrote:
>>> W dniu 18.09.2015 o 12:07, Laszlo Ersek pisze:
>>>> On 09/18/15 11:37, Janusz wrote:
>>>>> Hello,
>>>>>
>>>>> I am writting about this patch that was posted by Xiao:
>>>>> http://www.spinics.net/lists/kvm/msg119044.html and this:
>>>>> http://www.spinics.net/lists/kvm/msg119045.html
>>>>> I've tested both kernel 4.2 and 4.3 and problem still exists when I use
>>>>> OVMF - 100% cpu usage, VM resetting, while it works properly on kernel 4.1
>>>> My last (still current) request remains "please quirk it". See the end
>>>> of <http://thread.gmane.org/gmane.linux.kernel/1952205/focus=1996025>,
>>>> and other messages in that subthread.
>>> when I saw message from Xiao that he posted patch for it and have seen
>>> this code in kernel sources (landed in 4.2-rc3) I though that the status
>>> is not "please quirk it" anymore
>>>>
>>>> I haven't been following kernel development, so maybe the quirk has not
>>>> happened. No clue.
>>>>
>>>> ... "VM resetting" looks something different though; I've been under the
>>>> impression that the pedantic (=unquirked) MTRR configuration didn't
>>>> impact other things than speed. Janusz, maybe you could contribute with
>>>> a host kernel bisection for the VM reset symptom.
>>> To be more exact - VM is mostly not starting or its starting after long
>>> time and then resetting it self at random time (but before system boots)
>>> or gets very high cpu usage or sometimes boots without problem (the
>>> least possible case scenario). When I start VM with -vga std, not with
>>> my gpu passthrough - in most of the time I get this:
>>> http://pastebin.com/raw.php?i=CKrNsueS
>>
>> It seems the behaviour is different with previous (previously, it can boot
>> but slowly), right?
>>
>> The URL cat not be accessed, i do not know it's your web server issue or
>> our networking issue.
>>
>
> It can be accessed and dump as below:
>
> KVM internal error. Suberror: 1
> emulation failure
> KVM internal error. Suberror: 1
> emulation failure
> KVM internal error. Suberror: 1
> emulation failure
> KVM internal error. Suberror: 1
> emulation failure
> KVM internal error. Suberror: 1
> emulation failure
> KVM internal error. Suberror: 1
> emulation failure
> KVM internal error. Suberror: 1
> emulation failure
> EAX=bfefa000 EBX=00000002 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00003eb8 EBP=00000000 ESP=00000000
> EIP=000a0000 EFL=00010086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> CS =0010 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
> SS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> DS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> FS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> GS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT= bfee87d8 0000003f
> IDT= 00000000 0000ffff
> CR0=00000033 CR2=00000000 CR3=bfefa000 CR4=00000640
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> EAX=bfefa000 EBX=00000002 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00003eb8 EBP=00000000 ESP=00000000
> EIP=000a0000 EFL=00010086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> CS =0010 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
> SS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> DS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> FS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> GS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT= bfee87d8 0000003f
> IDT= 00000000 0000ffff
> CR0=00000033 CR2=00000000 CR3=bfefa000 CR4=00000640
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> EAX=00000000 EBX=00000000 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00002000 EBP=00000000 ESP=00000000
> EIP=00001000 EFL=00010046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0000 00000000 0000ffff 00009300
> CS =9f00 0009f000 0000ffff 00009b00
> SS =0000 00000000 0000ffff 00009300
> DS =0000 00000000 0000ffff 00009300
> FS =0000 00000000 0000ffff 00009300
> GS =0000 00000000 0000ffff 00009300
> LDT=0000 00000000 0000ffff 00008200
> TR =0000 00000000 0000ffff 00008b00
> GDT= 00000000 0000ffff
> IDT= 00000000 0000ffff
> CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> EAX=00000023 EBX=00000002 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00001fc2 EBP=00000000 ESP=00000000
> EIP=00001000 EFL=00010002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> CS =9f00 0009f000 0000ffff 00009b00 DPL=0 CS16 [-RA]
> SS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> DS =9f00 0009f000 0000ffff 00009300 DPL=0 DS16 [-WA]
> FS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> GS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT= bfee87d8 0000003f
> IDT= 00000000 0000ffff
> CR0=00000033 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> EAX=00000023 EBX=00000002 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00001fc2 EBP=00000000 ESP=00000000
> EIP=00001000 EFL=00010002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> CS =9f00 0009f000 0000ffff 00009b00 DPL=0 CS16 [-RA]
> SS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> DS =9f00 0009f000 0000ffff 00009300 DPL=0 DS16 [-WA]
> FS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> GS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT= bfee87d8 0000003f
> IDT= 00000000 0000ffff
> CR0=00000033 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> EAX=00000023 EBX=00000002 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00001fc2 EBP=00000000 ESP=00000000
> EIP=00001000 EFL=00010002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> CS =9f00 0009f000 0000ffff 00009b00 DPL=0 CS16 [-RA]
> SS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> DS =9f00 0009f000 0000ffff 00009300 DPL=0 DS16 [-WA]
> FS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> GS =0000 00000000 0000ffff 00009300 DPL=0 DS16 [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT= bfee87d8 0000003f
> IDT= 00000000 0000ffff
> CR0=00000033 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> EAX=bfefa000 EBX=00000002 ECX=00000000 EDX=00000600
> ESI=00000000 EDI=00003eb8 EBP=00000000 ESP=00000000
> EIP=000a0000 EFL=00010086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> CS =0010 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
> SS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> DS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> FS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> GS =0008 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT= bfee87d8 0000003f
> IDT= 00000000 0000ffff
> CR0=00000033 CR2=00000000 CR3=bfefa000 CR4=00000640
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=af af af af af af af af af af af af af af af af af af af af <00> 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
Got it, thank you!
next prev parent reply other threads:[~2015-09-21 3:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-18 9:37 [edk2] KVM: MTRR: fix memory type handling if MTRR is completely disabled Janusz
2015-09-18 10:07 ` Laszlo Ersek
2015-09-18 17:48 ` Janusz
2015-09-21 2:51 ` Xiao Guangrong
2015-09-21 3:30 ` Wanpeng Li
2015-09-21 3:40 ` Xiao Guangrong [this message]
2015-10-01 14:12 ` Janusz
2015-10-01 14:18 ` Paolo Bonzini
2015-10-02 14:38 ` Janusz
2015-10-10 20:07 ` Xiao Guangrong
2015-10-12 18:20 ` Xiao Guangrong
2015-10-12 18:29 ` Xiao Guangrong
2015-10-14 3:58 ` Xiao Guangrong
2015-10-14 7:37 ` Janusz
2015-10-14 8:24 ` Xiao Guangrong
2015-10-14 8:32 ` Xiao Guangrong
2015-10-14 9:13 ` Janusz
2015-10-14 9:16 ` Janusz
2015-10-14 9:47 ` Laszlo Ersek
2015-10-15 3:59 ` Xiao Guangrong
2015-10-14 18:08 ` Janusz
2015-10-15 4:19 ` Xiao Guangrong
2015-10-15 6:19 ` Janusz
2015-10-15 6:41 ` Xiao Guangrong
2015-10-15 6:58 ` Janusz
2015-10-15 7:10 ` Xiao Guangrong
2015-10-15 7:21 ` Janusz
2015-10-15 16:18 ` Laszlo Ersek
2015-10-15 16:53 ` Kinney, Michael D
2015-10-15 18:46 ` Laszlo Ersek
2015-10-20 17:27 ` Janusz
2015-10-20 17:44 ` Laszlo Ersek
2015-10-20 18:52 ` Janusz Mocek
[not found] ` <5620696F.7050406@linux.intel.com>
2015-10-16 18:22 ` Laszlo Ersek
2015-09-21 8:23 ` Janusz
2015-09-22 8:59 ` Paolo Bonzini
2015-09-22 10:29 ` Janusz
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