Comment 37 for bug 1550371

Thanks Kevin & Team !

On Wed, Apr 27, 2016 at 5:31 PM, kevin gunn <email address hidden>
wrote:

> OK, after quite a bit of research the bottom line is that this is a mali
> quirk.
> There are 2 potential ways both are by specification allowed to sync with
> the driver - which resulted in a performance issue (covered by this bug)
> and a "correctness issue" covered by bug 1573014
> The performance issue is now addressed by the quirk added to mir0.22 for
> all the devices with mali gpu.
> Further work will continue on bug 1573014 as there are other suspicions
> from data collected here that the mali driver has other issues.
>
> ** Changed in: mir
> Milestone: None => 0.22.0
>
> ** Also affects: mir/0.22
> Importance: Undecided
> Status: New
>
> ** Changed in: mir/0.22
> Milestone: None => 0.22.0
>
> ** Changed in: mir/0.22
> Status: New => Fix Committed
>
> ** Changed in: mir
> Status: New => Fix Committed
>
> ** Changed in: canonical-devices-system-image
> Status: Confirmed => Fix Committed
>
> ** Branch linked: lp:mir/0.22
>
> --
> You received this bug notification because you are a member of Ubuntu
> WebApps bug tracking, which is subscribed to Oxide.
> https://bugs.launchpad.net/bugs/1550371
>
> Title:
> Webbrowser slow scroll and artifact rendering on freiza
>
> Status in Canonical System Image:
> Fix Committed
> Status in Mir:
> Fix Committed
> Status in Mir 0.22 series:
> Fix Committed
> Status in Oxide:
> Invalid
> Status in webbrowser-app package in Ubuntu:
> Invalid
>
> Bug description:
> Copied from private avila bug:
> https://bugs.launchpad.net/avila-private/+bug/1547569
> STEPS:
> 1. Install the latest image
> 2. Open the browser
> 3. Goto ubuntu.com
> 4. Wait for the page to load
> 5. Scroll the page
>
> EXPECT
> Smooth scrolling and rendering as seen on arale and krillin
>
> ACTUAL:
> Very slow render time on most site with a lot of content
> Scrolling is glitchy and seems to want to fresh render each page as it
> is scrolled
>
> This is most prominently seen on ubuntu.com but also ebay and amazon
> webapps.
>
> Webbrowser seems to display the issue the most although I beleive it
> is more likely to be the graphics stack somewhere, tvoss believe that
> perfservice will hopefully solve the issue.
>
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>
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>
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