Comment 97 for bug 1169984

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GonzO (gonzo) wrote : Re: 3.8.0-18 HDMI audio regression: Either oops or opening device fails with -ENODEV

If we're doing takeaway analysis here:

The first problem is that about a week before release, the -18 kernel was released. Rather than being a simple ABI bump like the last few kernels were, it contained a *large* number of cherry-picked patches that contained a wide array of changes.

No kernel with that amount of code churn should ever be introduced to a distro base a week before release. And in my experience, that's a first for Ubuntu.

The second problem is that THIS bug was decided as the one all of the others became duplicates of. It downplays the severity of the defect; this isn't just about losing HDMI in all relevant control panels, it's about *being completely unable to get to a working GUI* (at least for people using binary blob drivers). And while I reported the defect as being THAT severe, that severity was lost when it got linked to a lesser-severity defect.

If you take a high-severity defect and make it a duplicate of a lower severity one, the "source" defect should have its severity raised.

The third problem is that this was reported a week before release, but the flawed kernel line was released anyway. When hardware isn't working (at best) or the machine isn't able to boot to a GUI (at worst), a release note IMO isn't an adequate response. Rolling back to the last kernel that worked would have been simpler, and easier.