# Libvips upgrade error

**URL:** <https://meta.discourse.org/t/libvips-upgrade-error/416912>\
**Category:** Self-hosting\
**Tags:** unsupported-install\
**Created:** [November 9, 2026, 12:15pm UTC](https://meta.discourse.org/t/libvips-upgrade-error/416912 "2026-11-09T12:15:13Z")\
**Posts on this page:** 1\
**Showing post:** 1

<div class="post-metadata">

**Author:** ![Andrea\_Fumi](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/andrea_fumi/32/584002_2.png) [@Andrea\_Fumi](https://meta.discourse.org/u/Andrea_Fumi)\
**Post date:** [November 9, 2026, 12:15pm UTC](https://meta.discourse.org/t/libvips-upgrade-error/416912/1 "2026-11-09T12:15:13Z")

</div>

I’ve a problem upgrading docker (discourse/discourse) from 2026.7.3 to 2026.7.4 (also the 2026.11.0-latest have the same problem):

```plaintext
#<Thread:0x00007f7bea3d8430 /var/www/discourse/lib/discourse.rb:1342 run> terminated with exception (report_on_exception is true):

/var/www/discourse/lib/discourse_vips/client.rb:50:in 'block in DiscourseVips::Client.call': libvips operation failed (DiscourseVips::Error)

	from /var/www/discourse/lib/image_processing/instrumentation.rb:6:in 'ImageProcessing::Instrumentation.instrument'

	from /var/www/discourse/lib/discourse_vips/client.rb:40:in 'DiscourseVips::Client.call'

	from /var/www/discourse/lib/discourse_vips.rb:14:in 'DiscourseVips.version'

	from /var/www/discourse/lib/letter_avatar.rb:140:in 'LetterAvatar.vips_version'

	from /var/www/discourse/lib/letter_avatar.rb:36:in 'LetterAvatar.version'

	from /var/www/discourse/lib/discourse.rb:1343:in 'block in Discourse.preload_rails!'

/var/www/discourse/lib/discourse_vips/client.rb:50:in 'block in DiscourseVips::Client.call': libvips operation failed (DiscourseVips::Error)

	from /var/www/discourse/lib/image_processing/instrumentation.rb:6:in 'ImageProcessing::Instrumentation.instrument'

	from /var/www/discourse/lib/discourse_vips/client.rb:40:in 'DiscourseVips::Client.call'

	from /var/www/discourse/lib/discourse_vips.rb:14:in 'DiscourseVips.version'

	from /var/www/discourse/lib/letter_avatar.rb:140:in 'LetterAvatar.vips_version'

	from /var/www/discourse/lib/letter_avatar.rb:36:in 'LetterAvatar.version'

	from /var/www/discourse/lib/discourse.rb:1343:in 'block in Discourse.preload_rails!'

E, [2026-11-09T11:44:20.275076 #11010] ERROR -- : mold gen=0 pid=11013 reaped (#<Process::Status: pid 11013 exit 1>)

I, [2026-11-09T11:44:20.275357 #11010] INFO -- : reaped unknown subprocess #<Process::Status: pid 11063 SIGKILL (signal 9)>

/var/www/discourse/vendor/bundle/ruby/4.0.0/gems/pitchfork-0.18.2/lib/pitchfork/http_server.rb:179:in 'Pitchfork::HttpServer#start': The initial mold failed to boot (Pitchfork::BootFailure)

	from /var/www/discourse/vendor/bundle/ruby/4.0.0/gems/pitchfork-0.18.2/exe/pitchfork:110:in '<top (required)>'

	from /usr/local/lib/ruby/4.0.0/rubygems.rb:305:in 'Kernel#load'

	from /usr/local/lib/ruby/4.0.0/rubygems.rb:305:in 'Gem.activate_and_load_bin_path'

	from /var/www/discourse/vendor/bundle/ruby/4.0.0/bin/pitchfork:25:in '<main>'

./config/unicorn_launcher: line 93: kill: (11010) - No such process

./config/unicorn_launcher: line 13: kill: (11010) - No such process

(10949) exiting

```

Can you please check the builds?

---

_[View the full topic](https://meta.discourse.org/t/libvips-upgrade-error/416912)._