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IO::InternalBuffer#fill_from crash when tab completing in "xiki" gem console #2081

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sempervictus opened this Issue December 05, 2012 · 4 comments

3 participants

RageLtMan Yorick Peterse Stephen Touset
RageLtMan

While testing the Xiki gem on RBX current (as of this morning) i ran into the following when trying to tab complete "readme" (the 're' at the begining is followed by a tab and the stack trace). Will look into this a bit myself as i've seen similar errors from EventFDs and such.

Stack trace:

% xiki readme

re An exception occurred running /usr/local/rvm/gems/rbx-head@testing/bin/ruby_noexec_wrapper
execution expired (Timeout::Error)

Backtrace:
{ } in IO::InternalBuffer#fill_from at kernel/common/io.rb:72
Rubinius.synchronize at kernel/bootstrap/rubinius.rb:150
IO::InternalBuffer#fill_from at kernel/common/io.rb:64
IO::EachReader#read_to_separator at kernel/common/io19.rb:471
IO::EachReader#each at kernel/common/io19.rb:455
IO(File)#each at kernel/common/io19.rb:614
IO(File)#gets at kernel/common/io19.rb:734
{ } in XikiCommand.get_response at /usr/local/rvm/gems/rbx-head@testing/gems/xiki-0.6.5/etc/command/xiki_command.rb:128
IO.open at kernel/common/io.rb:216
Kernel(Class)#open at kernel/common/kernel19.rb:166
{ } in XikiCommand.get_response at /usr/local/rvm/gems/rbx-head@testing/gems/xiki-0.6.5/etc/command/xiki_command.rb:123
Timeout.timeout at /usr/local/rvm/rubies/rbx-head/lib/19/timeout.rb:149
Object(Class)#timeout at /usr/local/rvm/rubies/rbx-head/lib/19/timeout.rb:168
XikiCommand.get_response at /usr/local/rvm/gems/rbx-head@testing/gems/xiki-0.6.5/etc/command/xiki_command.rb:120
XikiCommand.run at /usr/local/rvm/gems/rbx-head@testing/gems/xiki-0.6.5/etc/command/xiki_command.rb:102
Object#script at /usr/local/rvm/gems/rbx-head@testing/gems/xiki-0.6.5/bin/xiki:30
Kernel(Object)#load at kernel/common/kernel.rb:597
{ } in Object#script at /usr/local/rvm/gems/rbx-head@testing/bin/xiki:19
Rubinius::BlockEnvironment#call_on_instance at kernel/common/block_environment.rb:75
Kernel(Object)#eval at kernel/common/eval.rb:75
Object#script at /usr/local/rvm/gems/rbx-head@testing/bin/ruby_noexec_wrapper:14
Rubinius::CodeLoader#load_script at kernel/delta/codeloader.rb:68
Rubinius::CodeLoader.load_script at kernel/delta/codeloader.rb:118
Rubinius::Loader#script at kernel/loader.rb:615
Rubinius::Loader#main at kernel/loader.rb:816

Stephen Touset
Collaborator

Can you try and reproduce this against the latest master branch?

RageLtMan

Confirmed fixed on 6a23ed5 in 1.9 mode.

/usr/local/rvm/rubies/rbx-head/bin/rbx -S rspec ./spec/code_tree_spec.rb ./spec/diff_log_spec.rb ./spec/file_tree_spec.rb ./spec/keys_spec.rb ./spec/line_spec.rb ./spec/menu_spec.rb ./spec/ol_spec.rb ./spec/remote_spec.rb ./spec/search_spec.rb ./spec/text_util_spec.rb ./spec/tree_cursor_spec.rb ./spec/tree_spec.rb
................................................................................................................................

Finished in 0.11458 seconds
128 examples, 0 failures

EDIT: apparently not resolved on "xiki start"

xiki start
expected xiki_process.rb to respond after we started it, but it is not responding
An exception occurred running /usr/local/rvm/gems/rbx-head@testing/bin/ruby_noexec_wrapper
    Timeout::Error (Timeout::Error)

Backtrace:
                     XikiCommand.get_response at etc/command/xiki_command.rb:118
                              XikiCommand.run at etc/command/xiki_command.rb:103
                            Object#__script__ at bin/xiki:30
                          Kernel(Object)#load at kernel/common/kernel.rb:587
                     { } in Object#__script__ at /usr/local/rvm/gems/rbx-head@testing/bin/xiki:19
  Rubinius::BlockEnvironment#call_on_instance at kernel/common/block_environment.rb:75
                          Kernel(Object)#eval at kernel/common/eval.rb:75
                            Object#__script__ at /usr/local/rvm/gems/rbx-head@testing/bin/ruby_noexec_wrapper:14
             Rubinius::CodeLoader#load_script at kernel/delta/codeloader.rb:68
             Rubinius::CodeLoader.load_script at kernel/delta/codeloader.rb:118
                      Rubinius::Loader#script at kernel/loader.rb:615
                        Rubinius::Loader#main at kernel/loader.rb:816

Works in MRI.

RageLtMan sempervictus closed this March 31, 2013
RageLtMan sempervictus reopened this March 31, 2013
Stephen Touset
Collaborator

Are you sure that that's the same root issue?

Yorick Peterse
Collaborator

When running xiki start it raises a timeout error. It looks like it checks the output of ps -ef using a custom process name. Since setting the proctitle is currently not supported this will fail (though the command itself will start). See #2807 for the issue about $0.

Yorick Peterse YorickPeterse closed this December 30, 2013
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