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Ned help solving Firefox tab crash on startup: UserLAnd Ubuntu on Tab S7+

  • 3 replies
  • 1 has this problem
  • 19 views
  • Last reply by pbrown12303

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Whenever I start Firefox, the window opens and the tab reports a crash. Every tab does this. If I start firefox from a terminal widow, I get:

WARNING: read-only dup failed (Permission denied); not using memfd: ...

Any ideas how to chase this one down?

All Replies (3)

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https://support.mozilla.org/en-US/kb/firefox-crashes-troubleshoot-prevent-and-get-help Hope this article will help you in resolving this issue. Feel free to ask if doesn't help you...

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A simple step would be to uninstall and reinstall from your distro or download Firefox separately and also try safe mode. I kept losing tabs when using my distro's version which is why I now have 2 versions. I run Nightly as my daily and backup my tabs to the older version. I've had no issues for about 3 weeks.

https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

Operating System: openSUSE Tumbleweed 20210101 KDE Plasma Version: 5.20.4 KDE Frameworks Version: 5.77.0 Qt Version: 5.15.2 Kernel Version: 5.10.3-1-default OS Type: 64-bit Processors: 8 × Intel® Core™ i7-4810MQ CPU @ 2.80GHz Memory: 31.0 GiB of RAM Graphics Processor: Mesa DRI Intel® HD Graphics 4600

Modified by jonzn4SUSE

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Thanks, but these suggestions did not work. I am running Ubuntu (via UserLAnd) on a Galaxy Tab S7+. Everything on the system has been upgraded to current. When I start Firefox, every tab that opens crashes (even the crash report tab). When I look at the command line, I see:

pbrown@localhost:~$ firefox [31977, Main Thread] WARNING: read-only dup failed (Permission denied); not using memfd: file /build/firefox-aGHZQJ/firefox-84.0.2+build1/ipc/chromium/src/base/shared_memory_posix.cc:243

(/usr/lib/firefox/firefox:32065): Pango-WARNING **: 19:10:23.135: failed to create cairo scaled font, expect ugly output. the offending font is 'DejaVu Sans 9.9990234375'

(/usr/lib/firefox/firefox:32065): Pango-WARNING **: 19:10:23.135: font_face status is: file not found

... and a lot more of the same. I did a little reading and it looks like there's an issue with the sandbox on the ARM64 architecture, but I'm not sure how to address it. Any suggestions?

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