Re: Re: 2.6.28.7 domU: 32-bit emulation seems to be broken

[Jeremy Fitzhardinge <jeremy@goop.org>]

Sven Köhler wrote:
> Jeremy Fitzhardinge schrieb:
>   
>> Sven Köhler wrote:
>>     
>>> Jeremy Fitzhardinge schrieb:
>>>  
>>>       
>>>> Has it ever worked?  If so, what kernel version did it stop working
>>>> at?     
>>>>         
>>> I've just tried a good old non-pv_ops 2.6.18 kernel:
>>>
>>> I ran the same binary file, that segfaults on 2.6.28.7.
>>> It runs just fine on 2.6.18.
>>>
>>> I haven't tested any other pc_ops kernel version. I'm not sure, that it
>>> ever worked with these kernel. Which was the first kernel version, that
>>> had domU support? 2.6.28.0 ?
>>>
>>>   
>>>       
>> Does this patch help?
>>
>> diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
>> index e4baa06..3ea8299 100644
>> --- a/arch/x86/ia32/ia32entry.S
>> +++ b/arch/x86/ia32/ia32entry.S
>> @@ -400,7 +400,6 @@ ENTRY(ia32_syscall)
>>     /*CFI_REL_OFFSET    rflags,EFLAGS-RIP*/
>>     /*CFI_REL_OFFSET    cs,CS-RIP*/
>>     CFI_REL_OFFSET    rip,RIP-RIP
>> -    PARAVIRT_ADJUST_EXCEPTION_FRAME
>>     SWAPGS
>>     /*
>>      * No need to follow this irqs on/off section: the syscall
>>     
>
> No, still segfaults :-(
>   

Do you have auditing enabled?

    J