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

[Elliot Killick <elliotkillick@xxxxxxxxxxx>]

On 2020-05-20 11:27, Andrew Cooper wrote:
> On 20/05/2020 12:20, Elliot Killick wrote:
>> 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
> 
> How about the output of `head /proc/cpuinfo` in dom0?
> 
> ~Andrew
> 

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz
stepping        : 3
microcode       : 0x27
cpu MHz         : 3299.926
cache size      : 6144 KB
physical id     : 0