News for hackers. Stuff that matters.

A comment on Show HN: Firefox in WebAssembly.

Re:Show HN: Firefox in WebAssembly by brewmarche on Wednesday July 15, 2026 @06:48PM (#48928195)
Can’t get it running on Firefox 152.0.6 (aarch64), no extensions.

  [chrome-demo] chrome assets ready
  [gecko] warning: unsupported syscall: __syscall_madvise
  [gecko] embed-xul: main() on the app pthread (PROXY_TO_PTHREAD)
  [gecko] embed-xul: GECKO_GL_PASSTHROUGH=1
  [gecko] embed-xul: GECKO_COARSE_CLOCK=1
  [gecko] embed-xul: GECKO_GPU=1 (GPU/WebRender->canvas rendering)
  [gecko] xul_init: GRE dir = /gre
  [gecko] Pthread 0x11051000 sent an error! blob:https://developer.puter.com/edc1bd0a-b844-4a18-a69a-63dd49dc304a:8906: SecurityError: Security error when calling GetDirectory
[ Parent | on HN ]
Re:Show HN: Firefox in WebAssembly by rlmineing_dead on Wednesday July 15, 2026 @07:00PM (#48928316)
Running firefox on aarch64 here right now (Ubuntu 26.04 ARM on snapdragon X1E)

did you enable the about:config option? it may be required

[ Parent | on HN ]
Re:Show HN: Firefox in WebAssembly by brewmarche on Wednesday July 15, 2026 @07:01PM (#48928322)
Yes, you don’t get that far without it.
[ Parent | on HN ]
Re:Show HN: Firefox in WebAssembly by rlmineing_dead on Wednesday July 15, 2026 @07:46PM (#48928716)
What's your GPU driver? There's a good chance this is a bug with the GPU passthrough. You can fall back to software rendering in the advanced options while it's starting if you want to try
[ Parent | on HN ]