Re: [Xen-devel] Latest xen-3.4-testing hangs on boot with iommu=1, on a Lenovo T500

[Tom Rotenberg <tom.rotenberg@xxxxxxxxx>]

Oops!!
That's what i forgot!!! i'll try it now.

Thanks :)

On Thu, Jul 16, 2009 at 1:10 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx> wrote:
> Well, I would 'make clean' in the xen/ subdirectory just to be sure at this
> point. But no, it doesn't really sound like a software issue. Have you tried
> iommu_inclusive_mapping Xen boot parameter?
>
>  -- Keir
>
> On 16/07/2009 11:03, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>
>> No...
>> and i remember that there was a problem of warm boots, so i did a cold
>> boot. It's really strange, i have no clew about what can cause it...
>> I did 'make install' on a clean repository. There is no chance it had
>> any "left-overs", right?
>>
>> On Thu, Jul 16, 2009 at 1:00 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx> 
>> wrote:
>>> Did you upgrade the BIOS since your last successful test? There have been
>>> problems which can persist across warm reboots. So did you power cycle
>>> between tests?
>>>
>>>  -- Keir
>>>
>>> On 16/07/2009 10:54, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>>>
>>>> Just bisected the tree, and i found out, that it's not because of Xen,
>>>> since even 19607 (which worked for me last time) didn't work. I tried
>>>> to play a little bit with some of the BIOS settings, but it didn't
>>>> help.
>>>> It looks like it's some kind of an hardware problem, which causes the
>>>> whole machine to freeze, when trying to work with the IOMMU. Any
>>>> suggestions on what to do next? to whom should i send this
>>>> information?
>>>>
>>>> Tom
>>>>
>>>> On Thu, Jul 16, 2009 at 11:26 AM, Tom Rotenberg<tom.rotenberg@xxxxxxxxx>
>>>> wrote:
>>>>> It didn't help.
>>>>> I will bisect the tree to find the problem.
>>>>>
>>>>> On Wed, Jul 15, 2009 at 8:11 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx>
>>>>> wrote:
>>>>>> I'd say changesets 19625 and 19632 are most likely suspects. You could 
>>>>>> try
>>>>>> reverting those patches, or updating your tree to just before those
>>>>>> changesets, and see if that helps.
>>>>>>
>>>>>>  -- Keir
>>>>>>
>>>>>> On 15/07/2009 18:03, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>>>>>>
>>>>>>> The last version, i have tried and tested (and it worked), was:
>>>>>>>
>>>>>>> changeset 19607: 1ac7832a2fcd
>>>>>>> author: Keir Fraser <keir.fraser@xxxxxxxxxx>
>>>>>>> date: Mon May 18 13:54:48 2009 +0100
>>>>>>> files: README
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Jul 15, 2009 at 7:58 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx>
>>>>>>> wrote:
>>>>>>>> On 15/07/2009 17:01, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>>>>>>>>
>>>>>>>>> I have cloned the latest xen 3,4 testing tree, changeset 19696:
>>>>>>>>>         22ef8e900a6d (i386: fix handling of Xen entries in final L2
>>>>>>>>> page
>>>>>>>>> table), and i have installed it on a Lenovo T500 machine, with VT-d
>>>>>>>>> enabled.
>>>>>>>>
>>>>>>>> When did it last work with the 3.4 tree?
>>>>>>>>
>>>>>>>>  -- Keir
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>
>>>
>>>
>
>
>

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