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Re: [Qemu-devel] [PATCH 0/3] script for crash-testing -device

From: Marcel Apfelbaum
Subject: Re: [Qemu-devel] [PATCH 0/3] script for crash-testing -device
Date: Fri, 24 Mar 2017 15:42:16 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

On 03/23/2017 05:43 PM, Thomas Huth wrote:
On 22.03.2017 20:13, Eduardo Habkost wrote:
On Wed, Mar 22, 2017 at 01:00:49PM -0300, Eduardo Habkost wrote:
This series adds scripts/device-crashtest.py, that can be used to
crash-test -device with multiple machine/accel/device

The script found a few crashes on some machines/devices. A dump
of existing cases can be seen here:

The script contains a whitelist that can also be useful as
documentation of existing ways -device can fail or crash.

Note that the script takes a few hours to run on the default mode
(testing all accel/machine/device combinations), but the "-r N"
option can be used to make it only test N random samples.

Wow, impressive script, that must have been a lot of work 'til you've
got it in a usable shape with that huge whitelist!


Great work Eduardo, thanks!

Something I forgot to mention: I would like to run some subset of
these tests on "make check", but I don't know how we could choose
that subset. We could run, e.g., 100 random samples, but I am not
sure we really want to make "make check" non-deterministic.

Maybe limit the tests to the devices that have a high chance to work on
different machines? ... that means primarily PCI, ISA and USB devices, I

Is hard to maintain that list, it will miss new devices and so on.
We should have a "nightly" run or something, but still, maintaining
the white list of known errors is still problematic.



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