Re: [PATCH] iotests: Revert emulator selection to old behaviour

[Philippe Mathieu-Daudé]

Forgot to Cc Wainer & Willian in case they are interested in
providing a better long term fix.

On 2/2/21 3:46 PM, Philippe Mathieu-Daudé wrote:
> On 2/2/21 3:28 PM, Kevin Wolf wrote:
>> If the qemu-system-{arch} binary for the host architecture can't be
>> found, the old 'check' implementation selected the alphabetically first
>> system emulator binary that it could find. The new Python implementation
>> just uses the first result of glob.iglob(), which has an undefined
>> order.
>>
>> This is a problem that breaks CI because the iotests aren't actually
>> prepared to run on any emulator. They should be, so this is really a bug
>> in the failing test cases that should be fixed there, but as a quick
>> fix, let's revert to the old behaviour to let CI runs succeed again.
> 
> FWIW this is the same problem I had 1 year ago and tried to
> fix it by sending QMP 'query-version' (introduced in v0.14):
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg675075.html