1108561 - Profiler does not start again. [frequently stops working]

Status: RESOLVED WORKSFORME

(DevTools :: Performance Tools (Profiler/Timeline), defect)

Description

[Liam Wilson]

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:34.0) Gecko/20100101 Firefox/34.0
Build ID: 20141127111021

Steps to reproduce:

Open the profiler in devtools, run the profiler, close devtools, reopen the profiler and attempt to run the profiler again.


Actual results:

Profiler would not start again. Got the following error at the console:

A coding exception was thrown and uncaught in a Task.

Full message: TypeError: "to" is read-only
Full stack: ProfilerConnection.prototype._request@resource://gre/modules/commonjs/toolkit/loader.js -> resource:///modules/devtools/profiler/shared.js:154:7
ProfilerFront.prototype.startRecording<@resource://gre/modules/commonjs/toolkit/loader.js -> resource:///modules/devtools/profiler/shared.js:356:13
TaskImpl_run@resource://gre/modules/Task.jsm:314:40
Handler.prototype.process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:865:23
this.PromiseWalker.walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:744:7



Expected results:

Profiler should keep working. The only way to make the profiler work again is to restart Firefox.

Comment 1

[[:Aleksej]]

bug: firefox-34.0.en-US.linux64
bug: firefox-34.0.5.en-US.linux64
wfm: 2014-09-08-00-40-02-mozilla-aurora-firefox-34.0a2.en-US.linux-x86_64
wfm: 2014-09-30-00-40-06-mozilla-aurora-firefox-34.0a2.en-US.linux-x86_64
wfm: 2014-07-23-03-02-02-mozilla-central-firefox-34.0a1.ru.linux-x86_64
wfm: 2014-08-01-03-02-01-mozilla-central-firefox-34.0a1.ru.linux-x86_64
wfm: 2014-09-02-03-02-02-mozilla-central-firefox-34.0a1.en-US.linux-x86_64
wfm: 2014-12-17-03-02-02-mozilla-central-firefox-37.0a1.en-US.linux-x86_64

Comment 2

[Jordan Santell [:jsantell] [@jsantell]]

as :Aleksej posted, and tested myself, was able to recreate this on Fx35 Beta (OSX), but in Nightly (Fx37), I was unable to reproduce this.

Can you confirm that this is no longer an issue on Nightly, Liam?

Comment 3

[Liam Wilson]

This reproduces for me in the current release version of Firefox (35) both on Windows and Linux.

This does not reproduce on Nightly on Linux (38.0a1 (2015-01-23))

Comment 4

[Victor Porof [:vporof][:vp]]

So looks like this is fixed.