[Bug c++/28906] New: GDB debugger hangs after step call

[Bug c++/28906] New: GDB debugger hangs after step call

[aakash0641 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

            Bug ID: 28906
           Summary: GDB debugger hangs after step call
           Product: gdb
           Version: 9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
          Assignee: unassigned at sourceware dot org
          Reporter: aakash0641 at gmail dot com
  Target Milestone: ---

The bug and details to produce are in the following link:
https://github.com/microsoft/vscode-cpptools/issues/8776#issuecomment-1043482104

GDB debugger hangs on the step call (using F5 or F10 or F11). 

Repro steps:

     Check out https://github.com/whoenig/libMultiRobotPlanning
     Install dependencies (see InstallPackagesUbuntu as an example.
     Add -g to CMAKE_CXX_FLAGS in CMakeLists.txt
     Build as described in README
     Debug with just GDB
         gdb ecbs_ta
         break next_best_assignment.hpp:53
         r -i ../benchmark/8x8_obst12/map_8by8_obst12_agents1_ex0.yaml -o
../ofile_1.yaml
         continue
         step


It will hang after the step call.

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[Bug c++/28906] GDB debugger hangs after step call

[aakash0641 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

Aakash <aakash0641 at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P2                          |P1
           Severity|normal                      |critical

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[Bug c++/28906] GDB debugger hangs after step call

[aakash0641 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

Aakash <aakash0641 at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aakash0641 at gmail dot com
                URL|                            |https://github.com/microsof
                   |                            |t/vscode-cpptools/issues/87
                   |                            |76#issuecomment-1043874187

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[Bug c++/28906] GDB debugger hangs after step call

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

Simon Marchi <simark at simark dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simark at simark dot ca

--- Comment #1 from Simon Marchi <simark at simark dot ca> ---
Hi,

Can you please test with GDB master, or at least the latest released version
(11.2)?

When you do so, please enable "set debug infrun 1" just before your step.  It
will help whoever investigates this bug.

Simon

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[Bug c++/28906] GDB debugger hangs after step call

[aakash0641 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

--- Comment #2 from Aakash <aakash0641 at gmail dot com> ---
(In reply to Simon Marchi from comment #1)
> Hi,
> 
> Can you please test with GDB master, or at least the latest released version
> (11.2)?
> 
> When you do so, please enable "set debug infrun 1" just before your step. 
> It will help whoever investigates this bug.
> 
> Simon

Hi Simon,

I tried upgrading GDB, but even after unistalling and reinstalling GDB, I land
up at version 9.2. My friend told me that 9.2 is the latest version for Ubuntu
20.04. So, any clue whether I will be able to upgrade GDB further ? Also, what
is GDB master ? When I searched for GDB's versions, I saw 11.1 but not 11.2.
Thanks.

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[Bug c++/28906] GDB debugger hangs after step call

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

--- Comment #3 from Simon Marchi <simark at simark dot ca> ---
Sorry, "master" refers to the latest development version, the master branch in
the git repository:

https://sourceware.org/git/?p=binutils-gdb.git;a=summary

GDB 11.2 is available as a release tarball here:

https://sourceware.org/pub/gdb/releases/?C=M;O=D

In either case, you would have to build it yourself.  It's not terribly
complicated, normally this should be enough to get something working:

  ./configure --prefix=/tmp/gdb-install
  make all-gdb
  cd gdb
  make install

That will give you a GDB in /tmp/gdb-install/bin/gdb

You will probably need to install some dependencies first, on Ubuntu you can do
that with "apt-get build-dep gdb".

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[Bug c++/28906] GDB debugger hangs after step call

[aakash0641 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

--- Comment #4 from Aakash <aakash0641 at gmail dot com> ---
(In reply to Simon Marchi from comment #3)
> Sorry, "master" refers to the latest development version, the master branch
> in the git repository:
> 
> https://sourceware.org/git/?p=binutils-gdb.git;a=summary
> 
> GDB 11.2 is available as a release tarball here:
> 
> https://sourceware.org/pub/gdb/releases/?C=M;O=D
> 
> In either case, you would have to build it yourself.  It's not terribly
> complicated, normally this should be enough to get something working:
> 
>   ./configure --prefix=/tmp/gdb-install
>   make all-gdb
>   cd gdb
>   make install
> 
> That will give you a GDB in /tmp/gdb-install/bin/gdb
> 
> You will probably need to install some dependencies first, on Ubuntu you can
> do that with "apt-get build-dep gdb".

Hey, the issue is resolved in version 11.2. Thank you very much.

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[Bug c++/28906] GDB debugger hangs after step call

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=28906

Simon Marchi <simark at simark dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #5 from Simon Marchi <simark at simark dot ca> ---
Good news, marking as resolved then, thanks.

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