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2
votes
1answer
24 views

“Missing separate debuginfo for …” when running gcore

I am running the following: command: gcore 56058 output: Missing separate debuginfo for /lib64/libdl.so.2 Try: zypper install -C "debuginfo(build-id)=dcca9c1f648bda0a7318a7c8844982c440e3e4a3" ...
2
votes
0answers
51 views

Kernel crash on Fedora distribution but no sign of kernel panic

I am running kernel 3.14.4 on Fedora 18. I am experimenting with a kernel module I am making. The module has a bug (at least one) and crashes the kernel. Sometimes I see a stack trace on my frozen ...
1
vote
1answer
57 views

How to extract running Apache configuration from core dump?

Apache is loading the configuration from files into its memory. If the config files are changing the Apache process won't activate it until a reload/restart happens. Now I have to debug the current ...
2
votes
2answers
146 views

Are limits in linux (like those controlled by ulimit or /etc/security/limits.conf) per user or per user per process?

I saw three copies of a process running and one of them cored in what seems like memory issue. Each individually occupies about 3-4 GB of memory..would a limit account for killing one of them? And if ...
0
votes
1answer
47 views

Files with “core” name

Can I be sure that files with name core on the system are core dump files? Or how can I be certain about some files that they are core dumps to delete them? (best practices are welcome)
1
vote
2answers
129 views

How to determine which host generated a core file?

I have a setting where several machines share the same filesystem via NFS. Through a queueing system processing jobs can be submitted to several computing machines (with different properties). ...
1
vote
1answer
57 views

Configure Solaris to write out a core image of an abnormally terminated telnet and man process

What is the easiest way to configure Solaris to write out a core image of an abnormally terminated telnet and man process?
2
votes
1answer
390 views

Debugging dmesg logs

I noticed I have the following in my logs. I just am not sure as to how to go about figuring out how to fix or find out what is causing them and if they are serious. [582046.956291] Core dump to ...
0
votes
1answer
32 views

Configure UML to generate core file

The User Mode Linux (UML) I run on Ubuntu crashes occasionally, but does not generate any core file. I'd like to know the necessary configuration to be applied on UML so it generates a core when it ...
3
votes
4answers
3k views

How to view core files for debugging purposes in Linux?

I want to view the contents of a core file while debugging a program. How can I view the contents of a core file?
1
vote
1answer
111 views

Eclipse makes laptop unusable

Currently I can't use my eclipse project. I'm using ArchLinux: -` .o+` rkmax@satellite `ooo/ OS: Arch Linux ...
3
votes
1answer
57 views

Can you think of a way to stop the generation of a core file WHILE it is happening?

I was just wondering if you can think of a clever way to stop the creation of a core file while it is being produced. I understand that there are several way to disable the creation like setting ...
0
votes
0answers
55 views

Gimp core dumped

I'm on ArchLinux, Gimp is updated (already tried to uninstall and re-install) but when I run it I get (after 6 seconds): Bus error (core dumped) I don't understand what it could be... Googling it ...
1
vote
1answer
195 views

core dump help— linux

I'm trying to understand the core dump generation. Is the core dump generated separately for a user space application process crash and the kernel level crash? Is the ulimit -c for both kinds? Can you ...
1
vote
2answers
908 views

No more coredumps after migrating to systemd [duplicate]

Generating coredumps used to work fine, but after switching over to systemd, I only see the message Aborted (core dumped) but no core file is generated. Has it something to do with systemd? ...
6
votes
1answer
2k views

No core-dumps after recent upgrades: How to analyze it?

When I execute a program that I work on, it fails with the following message: ... Aborted (core dumped) However, no core dump is created. Core dumps were written previously, and I don't remember ...
3
votes
1answer
503 views

How to diagnose a problem using a core dump?

I have the following core dump: pth_signal.pthread_kill(??, ??) at 0xd0124734 pth_signal._p_raise(??) at 0xd01241a4 raise.raise(??) at 0xd038acd0 abort.abort() at 0xd03eeb78 ...
1
vote
1answer
894 views

Crash and exit code 721035

Where can I find what this exit code means? I have process (A) that calls program (B) using clib system(). Sometimes program (B) returns with exit code 721035 and AIX kills process A. This is random ...
3
votes
1answer
97 views

What are core.mountd.######### files? OpenSolaris

I and gaining an ever expanding list of of core.mountd.12009999475 type files in my root directory? What are these? Can I just delete them? What causes them to be created?
8
votes
2answers
4k views

How come no core dump is create when an application has SUID set?

I setup my environment to create a core dump of everything that crashes, however when I run an program with SUID set on a different user than the executing user it doesn't create a core dump. Any ...
2
votes
1answer
856 views

Core files when the symbols are stripped

I am building an application using g++ 4.3. I am using the with maximum possible optimization level, not using the -g option, and I am stripping symbols after it builds. If I do NOT strip symbols ...
5
votes
2answers
1k views

Dump process core without killing the process

Is there a way to get a core dump (or something similar) for a process without actually killing the processes? I have a multithreaded python process running on an embedded system. And I want to be ...
3
votes
1answer
3k views

How to understand the kernel panic core dump output?

This is the output I get when I run one of my applications: Kernel bug detected[#1]: Cpu 0 $ 0 : 00000000 00000000 0fffff00 0fffff00 $ 4 : c6800000 850b7780 8b0043c0 00000040 $ 8 : 000004ac ...
4
votes
1answer
878 views

No core dump on Ubuntu on a Parallels shared folder

I have an application that I'm working on, and I'm having trouble getting a core dump when it segfaults. In fact, I'm having trouble getting real core dump files at all. A simple test case will ...