# Can't start development instance-- renice: failed to set priority

**URL:** <https://meta.discourse.org/t/cant-start-development-instance-renice-failed-to-set-priority/265375>\
**Category:** Development\
**Created:** [May 17, 2023, 6:35pm UTC](https://meta.discourse.org/t/cant-start-development-instance-renice-failed-to-set-priority/265375 "2023-05-17T18:35:41Z")\
**Posts on this page:** 1\
**Showing post:** 1

<div class="post-metadata">

**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [May 17, 2023, 6:35pm UTC](https://meta.discourse.org/t/cant-start-development-instance-renice-failed-to-set-priority/265375/1 "2023-05-17T18:35:41Z")

</div>

I don’t know what might have changed since the last time I cranked up this dev instance, but now it’s failing like this:

```plaintext
Sidekiq client with Sidekiq::RedisConnection::RedisAdapter options {:host=>"localhost", :port=>6379, :namespace=>"sidekiq"}
Sidekiq client with Sidekiq::RedisConnection::RedisAdapter options {:host=>"localhost", :port=>6379, :namespace=>"sidekiq"}
Sidekiq client with Sidekiq::RedisConnection::RedisAdapter options {:host=>"localhost", :port=>6379, :namespace=>"sidekiq"}
I, [2023-05-17T13:31:56.328911 #1103707] INFO -- : worker=0 ready                                                           
I, [2023-05-17T13:31:56.330855 #1103710] INFO -- : worker=1 ready                                                         
Loading Sidekiq in process id 1103706                                                                                        
Sidekiq client with Sidekiq::RedisConnection::RedisAdapter options {:host=>"localhost", :port=>6379, :namespace=>"sidekiq"}  
/home/pfaffman/src/discourse-repos/discourse/lib/discourse.rb:137:in `exec': renice: failed to set priority for 1103706 (proc
ess ID): Permission denied                                                                                                   
/home/pfaffman/src/discourse-repos/discourse/lib/discourse.rb:171:in `execute_command'   
/home/pfaffman/src/discourse-repos/discourse/lib/discourse.rb:137:in `exec'                                             
/home/pfaffman/src/discourse-repos/discourse/lib/discourse.rb:33:in `execute_command'                                
/home/pfaffman/src/discourse-repos/discourse/lib/demon/sidekiq.rb:51:in `after_fork'
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:155:in `block in run'                            
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:151:in `fork'
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:151:in `run'                                                  
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:146:in `start'                                   
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:14:in `block in start'                                        
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:14:in `times'                                               
/home/pfaffman/src/discourse-repos/discourse/lib/demon/base.rb:14:in `start'                                                 
/home/pfaffman/src/discourse-repos/discourse/config/unicorn.conf.rb:89:in `block in reload'                                  
/home/pfaffman/.asdf/installs/ruby/3.2.2/lib/ruby/gems/3.2.0/gems/unicorn-6.1.0/lib/unicorn/http_server.rb:541:in `spawn_missing_workers'                                                                                                                 
/home/pfaffman/.asdf/installs/ruby/3.2.2/lib/ruby/gems/3.2.0/gems/unicorn-6.1.0/lib/unicorn/http_server.rb:143:in `start'
/home/pfaffman/.asdf/installs/ruby/3.2.2/lib/ruby/gems/3.2.0/gems/unicorn-6.1.0/bin/unicorn:128:in `<top (required)>'
/home/pfaffman/src/discourse-repos/discourse/bin/unicorn:96:in `load'                
/home/pfaffman/src/discourse-repos/discourse/bin/unicorn:96:in `block in <main>'    
/home/pfaffman/src/discourse-repos/discourse/bin/unicorn:95:in `fork'                                           
/home/pfaffman/src/discourse-repos/discourse/bin/unicorn:95:in `<main>'                                                      
I, [2023-05-17T13:31:56.356176 #1103713] INFO -- : worker=2 ready                                                         
E, [2023-05-17T13:31:56.452446 #1103437] ERROR -- : reaped #<Process::Status: pid 1103706 exit 1> worker=unknown             
Detected dead worker 1103706, restarting...                                                                                  
 

```

And I did the only other thing I could think of: reboot. 🦐 (the person shrugging emoji seems to be missing–and I just rebooted–I guess they’re trying to try out the new font awesome icons–so here’s a shrimp.)

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