[Bug 1577213] [NEW] qtcreator freezes and crashes all the time

[yesint]

Public bug reported:

qtcreator 3.5.1 shipped by default in Xubuntu 16.04 crashes and freezes
all the time. It either freezes regularly for 10-30 seconds or just
crashes for no reason and with no trace at all if started from console.
It is not usable due to this. This a major issue is one is a developer
using qtcreator!

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: qtcreator 3.5.1+dfsg-2ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun May 1 20:15:16 2016
SourcePackage: qtcreator
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: qtcreator (Ubuntu)
Importance: Undecided
Status: New


** Tags: amd64 apport-bug xenial
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Title:
qtcreator freezes and crashes all the time

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[Fabian]

I have the same problem. When it happens, the CPU usage of one core goes to 100% until it crashes.
It seems to happen only when I'm editing the biggest file in my project so far (~500 lines)
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Title:
qtcreator freezes and crashes all the time

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[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: qtcreator (Ubuntu)
Status: New => Confirmed
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Title:
qtcreator freezes and crashes all the time

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[Eric G. Stern]

Same problem, but the file I'm working on is not all that large (< 100
lines).
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Title:
qtcreator freezes and crashes all the time

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[Fabian]

do you include something large?
I use the boost::multiarray header in my project, which has quite a lot dependencies. I think that could be more of a problem than a few hundred lines of code.
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Title:
qtcreator freezes and crashes all the time

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[Eric G. Stern]

Yes, I am using boost::multiarray, and some other include files which
pull in a lot of project dependencies. I have both xfce4 and kde
desktops installed on my system. I had been preferring the xfce
desktop, but I just switched to kde and the problem has not happened
yet.
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Title:
qtcreator freezes and crashes all the time

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[yesint]

It seems to be more stable under Cinnamon 3.0 as well.
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Title:
qtcreator freezes and crashes all the time

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[Alberto Salvia Novella]

** Changed in: qtcreator (Ubuntu)
Importance: Undecided => Medium
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Title:
qtcreator freezes and crashes all the time

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[koso]

Experiencing the same. It freezes during auto-completion once boost header files are included.
Backtrace from gdb (attached) shows there is huge recursion before segmentation fault is detected.

** Attachment added: "gdb backtrace of crash"
https://bugs.launchpad.net/ubuntu/+source/qtcreator/+bug/1577213/+attachment/4685491/+files/qtcreator_crash_bt.zip
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qtcreator freezes and crashes all the time

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[pingglala]

i has the same problem too, and i use centos7. once i include a few
boost header, qtcreator coredump .god, please solve the problem
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Title:
qtcreator freezes and crashes all the time

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[yesint]

A kind of workaround is to add qtcreator-git ppa and install the latest version from there. For me it works perfectly.
However it's a shame to have completely broken version of such popular software in LTS.
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qtcreator freezes and crashes all the time

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[Lisitsa Nikita]

Experiencing the same. Crashes / freezes with full CPU load after "Find
usages" in quite a large codebase.
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qtcreator freezes and crashes all the time

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[Alexis]

Experiencing the same things on Ubuntu 16.04 LTS or OpenSuse Leap 42.1.
I'm only working on CMake projects. I'm not using boost but I do have a
lot of project dependencies. QtCreator just freezes for 30 seconds to a
minute whenever it looks for autocompletion, I'm copying a variable, or
Ctrl+clicking on one. It is making it unusable as a IDE. It doesn't seem
to crash though.
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Title:
qtcreator freezes and crashes all the time

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[elichai2]

I have the same problem.
Opened a question here:
https://askubuntu.com/questions/841379/qtcreator-freezes-after-few-minutes-of-use
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Title:
qtcreator freezes and crashes all the time

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[Sarah Tohidi]

I have the same problem!
I can't even write a code because it starts hanging whenever I bring up Qtcreator on ubuntu 16.04. I have Qt Creator 3.5.1
Based on Qt 5.5.1 (GCC 5.2.1 20151129, 64 bit)
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Title:
qtcreator freezes and crashes all the time

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[MoD]

Any workaround available? Does it still happen on qtcreator 5.8
opensource?
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qtcreator freezes and crashes all the time

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[MoD]

It doesn't happen with QtCreator 4.2.1 with Qt 5.8.0 installed using
Qt's installer. Hopefully there'll be a fix soon on the repository
version.
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Title:
qtcreator freezes and crashes all the time

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[Warren Hong]

I have the same problem when qt creator does code completion, for an example I type ROS_INFO.
I have found a solution which may solve your problem.
I change code model from buit-in to clang following tutorials in the below link:
http://doc.qt.io/qtcreator/creator-clang-codemodel.html.
And qt creator does not crash again.
Good Luck!
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qtcreator freezes and crashes all the time

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[brice]

Newer version works well. Qt Creator 4.4.0-Qt 5.9.1 or QtCreator 4.2.1-
Qt 5.8.0 .
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qtcreator freezes and crashes all the time

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[brice]

Same problem "Segmentation fault (core dumped)". Is there any news to
why this happens.
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Title:
qtcreator freezes and crashes all the time

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[Pander]

Is this bug still relevant as version 4.7.0 is up next to be packages?
See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904672 If
not, please close this bug.

** Bug watch added: Debian Bug tracker #904672
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904672
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qtcreator freezes and crashes all the time

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