Firefox Making Strides On Improved Linux Stability Thanks To Better Crash Reports

Written by Michael Larabel in Mozilla on 19 May 2021 at 12:34 PM EDT. 26 Comments
Mozilla detailed today how their year-long effort so far aiming to improve the stability of the Firefox web browser on Linux is paying off.

Helping Mozilla developers improve Firefox's Linux stability can be attributed in large part to better crash report handling. One of the big specific items improving their Linux crash report handling is that they are now scraping debug information for Firefox builds and its dependencies from package repositories on Arch, Debian, Fedora, openSUSE, and Ubuntu.

Given that most Linux desktop users are running Firefox as packaged by their distribution rather than the official Firefox Linux binary, the scraping of the debug information from various popular Linux distributions is helping to dramatically increase the quality of their crash reports. Mozilla engineers can now analyze more than 99% of the crash reports received by Linux users where as prior to last year that number was less than 20%.

These higher quality Linux crash reports has made for more quickly diagnosing Linux-specific issues, especially around newer components like VA-API, Wayland, WebRender, and WebGPU. This data has also yielded distribution-specific regressions and other problems.

Those curious about Mozilla's work to improve the Firefox stability on Linux can read this Mozilla Hacks blog post detailing their progress on better crash reporting.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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