Re: PCI passthrough on Sony Vaio F11 laptop...

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Am 15.11.2010 22:55, Erik Brakkee wrote:
> Jan Kiszka wrote:
>> Am 14.11.2010 14:21, Erik Brakkee wrote:
>>   
>>> Jan Kiszka wrote:
>>>     
>>>> Strange, should work. I would suggest to post your full kernel log,
>>>> maybe there is some enlightening message hidden.
>>>>
>>>> I don't think it is a problem of your kernel version, but I'm able to
>>>> pass through devices on OpenSUSE 11.3 with
>>>> kernel-desktop-2.6.36-90.1.x86_64 from their kernel repository.
>>>>
>>>> Jan
>>>>
>>>>
>>>>        
>>> Exactly what server logs do you need. Is this only /var/log/messages or
>>> more? And do I need to set specific options there?
>>> Any other log files that you need?
>>>      
>> dmesg>  log-file
>>
>>   
>>> Before, generating these logs I will upgrade to a later kernel. As far
>>> as I can tell, that will still be a 2.6.34 kernel. Perhaps I should try
>>> the 2.6.36 kernel as well. Do you have the URL for the kernel repository
>>> I should use? (cannot find an obvious kernel repository in YAST2).
>>>      
>> http://download.opensuse.org/repositories/Kernel:/HEAD/openSUSE_11.3
>>
>> Jan
>>
>>    
> I have attached the logs of /var/log/messages, dmesg, and qemu log
> (other.log), as well as the kernel config parameters (/proc/config.gz).
> I did the test with two kernels (see the tar.gz file): one kernel a
> 2.6.34 and the other a 2.6.36 kernel.


Comparing the dmesg with my kernel log, I'm missing messages like

[    0.023960] DMAR: Host address width 36
[    0.023962] DMAR: DRHD base: 0x000000fed90000 flags: 0x0
[    0.023968] IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c9008020e30272 ecap 1000
[    0.023970] DMAR: DRHD base: 0x000000fed93000 flags: 0x1
[    0.023974] IOMMU 1: reg_base_addr fed93000 ver 1:0 cap c9008020630272 ecap 1000
[    0.023976] DMAR: RMRR base: 0x000000bf6e9000 end: 0x000000bf6fffff
[    0.023978] DMAR: No ATSR found

about the Intel DMAR (IOMMU) setup.

Are you sure that you have an Intel chipset with the required features?
And have you checked that "VT-d" is enabled in the BIOS (or however it
may be called there)?

Jan

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