Re: [Xen-users] HVM crash system on AMD APU A8-6600K

[Vitaliy Tomin <highwaystar.ru@xxxxxxxxx>]

I've nothing removed from my serial log, just added comments to show
when crash happens. I've tried to run xen with no-sharep option using
following options line:
loglvl=all iommu=no-sharept,debug,verbose apic_verbosity=debug cpuinfo
console=com1 com1=115200,8n1,pci

And got same crash on HVM guest run. The only difference this not
happen immediately after hvm start but after 1-2 minutes of HVM domen
working.

On Tue, Nov 12, 2013 at 6:32 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Wed, 2013-11-06 at 23:48 +0900, Vitaliy Tomin wrote:
>> My system reboots when I trying to start any HVM domU. This problem
>> was described   earlier:
>> http://lists.xen.org/archives/html/xen-devel/2013-08/msg01395.html
>>
>> My system is openSUSE 13.1 RC2  with Xen 4.3.0
>> My hardware is
>>
>> ASRock  FM2A75 Pro4
>> AMD A8-6600K APU
>> Gigabyte Radeon 7850
>> 8 Gb DDR3 1600Mhz
>>
>> I have setup serial console and could provide logs your requested.
>> Attached logs from xl dmesg, dom0 dmesg and serial console with:
>> loglvl=all iommu=debug,verbose apic_verbosity=debug cpuinfo
>> console=com1 com1=115200,8n1,pci
>
> Sadly the logs are not terribly informative, at least not to my
> relatively IOMMU ignorant eye :-(
>
>         linux-b52d login: (XEN) AMD-Vi: Share p2m table with iommu: p2m table 
> = 0x100077
>         ===== machine created ===
>         (XEN) AMD-Vi: Share p2m table with iommu: p2m table = 0x1c566c
>         ==== crash ===
>
> There's no further output I take it? (i.e. you've added those ===== tags
> without removing anything, sorry have to ask...).
>
> You could try adding "no-sharept" to your iommu command line option. If
> that helps it would indicate an issue with the PT sharing option.
>
> Whether or not that option helps I think it would be worth posting to
> xen-devel, CC-ing the AMD IOMMU maintainer (Suravee Suthikulpanit
> <suravee.suthikulpanit@xxxxxxx) and perhaps the generic IOMMU folks
> (Xiantao Zhang <xiantao.zhang@xxxxxxxxx>, Jan Beulich
> <jbeulich@xxxxxxxx>)
>
> Ian.
>

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