Category: Quality Assurance (page 1 of 14)

All articles in this category are related to Quality Assurance (QA) in the Fedora Project.

F37 Pre-Beta release validation kicks off

Fedora Linux is foremost a community-powered distribution. Fedora Linux runs on all sorts of off-the-shelf hardware. The QA team relies on looking at bugs and edge cases coming out of community-owned hardware, so testing pre-release composes is a crucial part of the release process. We try to fix as many of them as we can! Please participate in the pre-beta release validation test week now through 7 September. You can help us catch those bugs at an early stage.

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Contribute at the Fedora Linux 37 Test Week for Kernel 5.18

The kernel team is working on final integration for Linux kernel 5.18. This version was just recently released, and will arrive soon in Fedora. As a result, the Fedora kernel and QA teams have organized a test week now through Sunday, June 05, 2022. Refer to the wiki page for links to the test images you’ll need to participate. Read below for details.

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Call for F37 Test Days

It’s time to start thinking about Test Days for Fedora Linux 37. A Test Day is an event aimed getting together interested users and developers to test a specific feature or area of the distribution. You can run a Test Day on just about anything for which it would be useful to do some fairly focused testing in ‘real time’ with a group of testers; it doesn’t have to be code. For instance, we often run Test Days for l10n/i18n topics. For more information on Test Days, see the wiki.

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Contribute at the Fedora 36 CoreOS Test Week

The Fedora CoreOS team released the first Fedora CoreOS next stream release based on Fedora Linux 36. They expect to promote this to the testing stream in two weeks, on the usual schedule. As a result, the Fedora CoreOS and QA teams have organized a test week. It is underway now and runs through the end of the week. Refer to the wiki page for links to the test cases and materials you’ll need to participate. Read below for details.

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Contribute at the Fedora Linux 36 Test Week for Kernel 5.17

The kernel team is working on final integration for Linux kernel 5.17. This version was just recently released, and will arrive soon in Fedora. As a result, the Fedora kernel and QA teams have organized a test week now through Sunday, April 10, 2022. Refer to the wiki page for links to the test images you’ll need to participate. Read below for details.

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Contribute at the Fedora i18n and GNOME 42 test weeks

Fedora test days are events where anyone can help make sure changes in Fedora work well in an upcoming release. Fedora community members often participate, and the public is welcome at these events. If you’ve never contributed to Fedora before, this is a perfect way to get started.

There are two upcoming test days in the upcoming week. The first, starts on Monday 28 February through Monday 07 March, is to test the GNOME 42. Monday 07 March through Sunday 13 March, the test day is focusing on testing internationalization. Come and test with us to make the upcoming Fedora 36 even better. Read more below on how to do it.

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Contribute at the Fedora Linux 36 Test Week for Kernel 5.16

The kernel team is working on final integration for kernel 5.16. This version was just recently released, and will arrive soon in Fedora. As a result, the Fedora kernel and QA teams have organized a test week from Sunday, January 23, 2022 through Sunday, January 29, 2022. Refer to the wiki page for links to the test images you’ll need to participate. Read below for details.

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F35 retrospective results

After the release of Fedora Linux 35, I conducted a retrospective survey. I wanted to see how contributors felt about the release process and identify possible areas we can improve. There was no particular reason to start this with F35 except for that’s when I got around to doing it. So how did F35 go? Let’s look at the results from the 63 responses.

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Looking at Fedora Linux 33 bugs

At Nest, I delivered a talk called “Exploring Our Bugs“. But a single snapshot isn’t very useful. Building on the work there, let’s make this a regular thing. With the recent Fedora Linux 33 end-of-life, I’ve added F33 bugs to the bug exploration notebook. Here’s a few of my key findings.

Trends

After a drop in bug reports in F32, F33 had about as many bug reports as F31. This is reflected in both bugs marked as duplicate and non-duplicate bugs.

Duplicate bug reports by release

Bug reports coming from abrt recovered to roughly the historical average after a surprisingly low F32.

Sources (abrt or non-abrt) of bug reports by release

We fixed roughly the same amount of F33 bugs as in the last few releases. But with the increase in overall bugs, that means we left more unfixed bugs this time around. The dramatic increase in bugs closed EOL reflects this.

Bug reports by closure type each release
Percentage of bug reports closed end-of-life by release

The good news is that we are getting faster at fixing the bug reports that we do fix.

Mean and median time to “happy” bug report resolution by release.

New graphs!

I re-downloaded the historical data to add some additional fields. This allowed me to take a look at a few areas we hadn’t examined previously.

Security

The first area I wanted to look at is the number of bugs tagged as being security-related. Fedora Linux 33 had the highest count of security bugs, with over 1200. Looking at the graph, there’s a big jump between F26 and F27. This suggests a process change. I’ll have to check with Red Hat’s product security team to see if they have an explanation.

Security bugs by release

The good news is that we’re fixing more security bugs than we’re not. The bad news is that the proportion of security bugs going unfixed is increasing. To be more correct, more bug reports are not marked as fixed. Security fixes often come in upstream releases that aren’t specifically tied to a Bugzilla bug.

Fixed and unfixed security bugs by release

Like with other bug reports, we’re fixing security bugs fixed faster than in the past. 50% of security bugs are resolved within about two weeks.

Mean and median time to resolution for security bugs by release

QA processes

I also wanted to look at how our QA processes are reflected in the bugs. During discussion of an F35 blocker candidate, Adam Williamson commented that it seemed like we were being looser in our interpretation of release criteria lately. In other words, bugs that would not have been blockers in the past are now. The numbers bear this out. While the number of both accepted and rejected blockers is down significantly from F19, there’s a general upward trend in accepted blockers from F30.

Accepted and rejected blockers by release

We have a big increase in accepted freeze exceptions recently. In fact, it looks exponential. Interestingly, the number of rejected freeze exceptions are roughly the same in that time.

Accepted and rejected freeze exceptions by release

Finally, I was curious to see if our use of the common bugs mechanism has changed over time. It has: we mark far fewer bugs compared to five+ years ago. I will be interested to see if the experiment that uses Ask Fedora to handle common issues changes the trends at all. We’ll have to wait until May 2023.

Number of bugs tagged as a common bug per release

#analysis

The graphs are pretty, but what do they mean? We have to be careful to draw too deep of conclusions. What’s in Bugzilla represents bug reports, not necessarily bugs. Some reports aren’t actual bugs and some bugs don’t have reports. And there’s a lot of “why” that we can’t pull from a summary analysis.

That said, it’s clear that we’re getting more bug reports than we can handle. Some of these should properly be filed upstream. How can we improve on the rest? We can’t do it all at once, but perhaps by working on some subset, we can make improvements. The one that jumps out to me is the security bugs. Can we bring more attention to those? I’ll spend the holiday break thinking about how to make them more visible so that they’re fixed or handled more quickly.

In the meantime, I’d love to hear your ideas, too. If you’d like to examine the data for yourself, everything is in the fedora-bug-data repo.

Contribute at the Fedora Linux 36 Test Week for Kernel 5.15

The kernel team is working on final integration for kernel 5.15. This version was released just recently and will arrive soon in Fedora. As a result, the Fedora kernel and QA teams have organized a test week from Sunday, November 14, 2021 through Sunday, November 21, 2021. Refer to the wiki page for links to the test images you’ll need to participate. Read below for details.

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