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1answer
15 views

GDB - Call second program

I have a program which I want to debug gdb. And I want to call a second program to redirect the output to the first program. How this is done in gdb. I tried it like that: run -2 < $(python ...
0
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1answer
945 views

Error installing gdb-arm-linux-gnueabi

I get an error when I try to install the gdb-arm-linux-gnueabi package. This is the error that I obtain when I run apt-get install gdb-arm-linux-gnueabi: $ env LC_ALL=C sudo apt-get install ...
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0answers
65 views

How can you annotate or club info into ELF core files on Linux?

For debugging core files it would be useful to add additional information into a core file at the time it is generated. I'm currently using /proc/sys/kernel/core_pattern to run a 'dumb' script that ...
2
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0answers
63 views

kgdb not returning control to gdb

I've compiled a kernel with kgdb support and I'm trying to debug it. I have two machines running, a debug machine (running the kgdb kernel) and the machine I'm using to debug it. They are connected ...
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0answers
73 views

Linux Kernel module Remote Debugging with GDB + KGDB, Remote 'g' packet reply is too long

I am trying to remotely debug Linux Kernel and I am having issues. My setup: Target machine with Ubnutu Linux with my custom kernel 4.3 which I built with debugging information and KGDB. ...
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0answers
311 views

How to debug a semop failure?

Using a 2.6.30-gentoo-r4 Linux a very complex system of php code is executed (with 4.4.9-pl0-gentoo and 5.2.10-pl0-gentoo), which occasionally runs into a semaphore blocking problem. The call to the ...
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0answers
34 views

dlopen causes segfault when running in gdb

My project loads a libray (compiled in debug mode) dynamically within the main thread with dlopen and then uses dlsym without problem. However, when running in debug mode with gdb 7.7.1+dfsg-5, it ...
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0answers
121 views

Can't install additional debug infos in the CentOS 6.7

I am attempting to debug coredump of the some application on the latest CentOS 6.7 and gdb gives me hints that some debug infos are missing, for example: Missing separate debuginfo for ...
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0answers
76 views

gdb attach question

When using gdb to attach to the process. It shows that Could not attach to process. If your uid matches the uid of the target process, check the setting of /proc/sys/kernel/yama/ptrace_scope, ...
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0answers
20 views

Setting breakpoints remotely with gdb/gdbserver

I'm debugging a vulnerable app on a remote host. I've set up gbserver on the host with: gdbserver host:1234 /my/target/app On my local host I've connected with: $ gdb /same/target/app gdb$ target ...
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0answers
45 views

In gdb i can print a struct but not display it

When i display a struct gdb returns nothing but if i print the same thing it returns values nicely. Is there a way to have gdb display what it can print or are there restrictions about structures? ...
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0answers
133 views

Do I have support for python in gdb or not?

I've been following this tutorial which requires running gdb with python support but I get following message: ┌─[wakatana@~] [63 files, 178Mb] └──> gdb --python gdb: unrecognized option '--python' ...
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0answers
332 views

qtcreator debugger shows <unavailable synchronous data> when trying to view the contents of std::map

I'm running QtCreator 4.8.0 on a Ubuntu 12.04 (64bit) machine. apt-cache policy qtcreator shows: qtcreator: Installed: 2.4.1-0ubuntu2 Candidate: 2.4.1-0ubuntu2 Version table: *** ...
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0answers
424 views

gdb-multiarch command not found

I have installed QEMU in RHEL for running the assembly programs in ARM. I have successfully installed QEMU and ARM. However, for debugging we are thinking to use GDB. I want to install the ...
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0answers
122 views

Building GDB, cant find libreadline.a

I am trying to build GDB from source, and am encountering a strange problem. I'm not sure what information is relevant, so please let me know if I have not provided enough. I am working on Linux ...