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Re: [BUG] Consistent LBR/TSX vmentry failure (0x80000022) calling domain_crash() in vmx.c:3324


  • To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • From: Elliot Killick <elliotkillick@xxxxxxxxxxx>
  • Date: Wed, 20 May 2020 11:20:44 +0000
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  • Delivery-date: Wed, 20 May 2020 11:20:56 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 2020-05-20 11:10, Andrew Cooper wrote:
> On 20/05/2020 11:33, Elliot Killick wrote:
>> Hello,
>>
>> Xen is crashing Windows 10 (64-bit) VMs consistently whenever IDA
>> Debugger
>> (https://www.hex-rays.com/products/ida/support/download_freeware/)
>> launches the Local Windows Debugger. The crash occurs when trying to
>> launch the debugger against any executable (e.g. calc.exe) right at the
>> time IDA says it is "Moving segment from <X address> to <Y address>".
>>
>> Tested on Windows 7, 8 and Linux as well but the bug is only triggered
>> on Windows 10. Happens whether or not IDA is running with administrator
>> privileges. No drivers/VM tools installed. Windows has a bug check code
>> of zero, leaves no memory dump, nothing in the logs from QEMU in Dom0,
>> the domain just powers off immediately leaving a record of the incident
>> in the hypervisor.log. So, it does appear to be a Xen issue. Modern
>> Intel CPU.
>>
>> Does anyone have some ideas on what may be causing this?
> 
> What exact CPU do you have?  This looks exactly like the
> Haswell/Broadwell TSX errata.
> 
> ~Andrew
> 

i5-4590




 


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