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Recently, in the range of months, Firefox started to behave strangely.
When I click on links, sometimes, the request is repeated. It doesn't stop repeating the request until I issue another action, e.g. click somewhere else on the page.
Things that I observed:
It affects all my installations (2 desktops, 2 laptops)
It happens with Firefox, Firefox Developer Edition, Firefox Nightly
It happens with a fresh profile (deleted .cache/mozilla and .mozilla)
It is not deterministic, hard to reproduce
It can happen on any web page
The requests are really issued, as it triggered the abuse mechanism of Github very quickly
Disabling http3 does not help
Logging any debug output prevents the issue from happening
It can happen in rapid succession, but sometimes only after a few hours
It does not happen with chromium
I'm grasping at straws here and I don't know how I could debug this issue further. It's really annoying. How can I assure that this is a Firefox bug and not an issue of my environment (Sway + Wayland)? It looks like it could be an issue with some repeated input events, but whenever I log inputs with libinput debug-events the issue stops occurring. It could also be a race condition and whenever I try to log something the issue stops. Whenever I try to log network requests with the developer console, it stops occurring.
The only evidence I could generate is to capture the screen with my mobile phone. I could post the video, if it helps debugging. Basically, the Reload current page indicator quickly changes from reload to cancel and back. Once I clicked on the page (or any keyboard button, or moved the mouse to another screen), the requests stopped and the link was actually visited.
I will try now to run Firefox with MOZ_ENABLE_WAYLAND=0, but I don't have much hope it helps.
Any help or insights on how to debug this issue is appreciated.
Edit:
After updates, this issue has not appeared in two months now.
Last edited by Albsch (2022-08-14 16:53:31)
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Just now I had a similar problem where I had an IntelliJ window open, and while switching workspaces, the cursor got stuck going down repeatedly. Mouse movements didn't do anything, but the cursor stopped once I pressed any button. The strange thing is that libput debug-events doesn't show any actions happening, but the cursor is going down, even when I click with the mouse to another position in a text file to bring it up again. My hunch is that this is related to the Firefox problem, where the mouse input is sent multiple times. I have trouble reproducing the cursor moving down repeatedly, too.
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