Process exiting mysteriously on Linux The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern) The Ask Question Wizard is Live! Data science time! April 2019 and salary with experienceExit Shell Script Based on Process Exit CodeHow do I prompt for Yes/No/Cancel input in a Linux shell script?How to symlink a file in Linux?How do I change permissions for a folder and all of its subfolders and files in one step in Linux?How to change the output color of echo in LinuxHow can I use grep to show just filenames on Linux?How to permanently set $PATH on Linux/Unix?How do I copy folder with files to another folder in Unix/Linux?How do I find all files containing specific text on Linux?Why does the C preprocessor interpret the word “linux” as the constant “1”?
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Process exiting mysteriously on Linux
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
The Ask Question Wizard is Live!
Data science time! April 2019 and salary with experienceExit Shell Script Based on Process Exit CodeHow do I prompt for Yes/No/Cancel input in a Linux shell script?How to symlink a file in Linux?How do I change permissions for a folder and all of its subfolders and files in one step in Linux?How to change the output color of echo in LinuxHow can I use grep to show just filenames on Linux?How to permanently set $PATH on Linux/Unix?How do I copy folder with files to another folder in Unix/Linux?How do I find all files containing specific text on Linux?Why does the C preprocessor interpret the word “linux” as the constant “1”?
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I have a process that is started from a script like this
linux> cat script.sh
./my_bin config.cfg
rc=$?
echo "Process exited with return code = $rc"
This script is executed from cron or from a ssh session in terminal, like this
$HOME/script.sh >> $HOME/cron_logs/script.log 2>&1
Sometimes, "my_bin" stops mysteriously. And during those times, even "rc" is missing from script.log
Why would such a thing happen?
I was actually trying to figure out why "my_bin" exits mysteriously, but then dont see any core files, or any logs in dmesg. The logs that "my_bin" generates are not helpful either.
linux bash
asked Mar 8 at 12:16
javedjaved
158111
add a comment |
I have a process that is started from a script like this
linux> cat script.sh
./my_bin config.cfg
rc=$?
echo "Process exited with return code = $rc"
This script is executed from cron or from a ssh session in terminal, like this
$HOME/script.sh >> $HOME/cron_logs/script.log 2>&1
Sometimes, "my_bin" stops mysteriously. And during those times, even "rc" is missing from script.log
Why would such a thing happen?
I was actually trying to figure out why "my_bin" exits mysteriously, but then dont see any core files, or any logs in dmesg. The logs that "my_bin" generates are not helpful either.
linux bash
asked Mar 8 at 12:16
javedjaved
158111
2
The dmesg logs come from the kernel. Look in the other log files in /var/log/**. (This could be the oomkiller killing your application because it is using up all of the available memory ...)
– Stephen C
Mar 8 at 12:27
@StephenC , one question , in case of oom panic shouldn't rc will be captured in the script in the following line ?
– PS.
Mar 8 at 16:00
1
The OOM killer effectively does a "kill -9" so there won't be a meaningful RC. And it may also be killing the shell process. (It is not a panic. The OOM killer is killing user-space processes ... so that the system doesn't lock up due to severe VM thrashing.)
– Stephen C
Mar 8 at 16:49
add a comment |
I have a process that is started from a script like this
linux> cat script.sh
./my_bin config.cfg
rc=$?
echo "Process exited with return code = $rc"
This script is executed from cron or from a ssh session in terminal, like this
$HOME/script.sh >> $HOME/cron_logs/script.log 2>&1
Sometimes, "my_bin" stops mysteriously. And during those times, even "rc" is missing from script.log
Why would such a thing happen?
I was actually trying to figure out why "my_bin" exits mysteriously, but then dont see any core files, or any logs in dmesg. The logs that "my_bin" generates are not helpful either.
linux bash
asked Mar 8 at 12:16
javedjaved
158111
I have a process that is started from a script like this
linux> cat script.sh
./my_bin config.cfg
rc=$?
echo "Process exited with return code = $rc"
This script is executed from cron or from a ssh session in terminal, like this
$HOME/script.sh >> $HOME/cron_logs/script.log 2>&1
Sometimes, "my_bin" stops mysteriously. And during those times, even "rc" is missing from script.log
Why would such a thing happen?
I was actually trying to figure out why "my_bin" exits mysteriously, but then dont see any core files, or any logs in dmesg. The logs that "my_bin" generates are not helpful either.
linux bash
linux bash
asked Mar 8 at 12:16
javedjaved
158111
asked Mar 8 at 12:16
javedjaved
158111
asked Mar 8 at 12:16
javedjaved
158111
asked Mar 8 at 12:16
javedjaved
158111
asked Mar 8 at 12:16
javedjaved
158111
158111
2
The dmesg logs come from the kernel. Look in the other log files in /var/log/**. (This could be the oomkiller killing your application because it is using up all of the available memory ...)
– Stephen C
Mar 8 at 12:27
@StephenC , one question , in case of oom panic shouldn't rc will be captured in the script in the following line ?
– PS.
Mar 8 at 16:00
1
The OOM killer effectively does a "kill -9" so there won't be a meaningful RC. And it may also be killing the shell process. (It is not a panic. The OOM killer is killing user-space processes ... so that the system doesn't lock up due to severe VM thrashing.)
– Stephen C
Mar 8 at 16:49
add a comment |
2
The dmesg logs come from the kernel. Look in the other log files in /var/log/**. (This could be the oomkiller killing your application because it is using up all of the available memory ...)
– Stephen C
Mar 8 at 12:27
@StephenC , one question , in case of oom panic shouldn't rc will be captured in the script in the following line ?
– PS.
Mar 8 at 16:00
1
The OOM killer effectively does a "kill -9" so there won't be a meaningful RC. And it may also be killing the shell process. (It is not a panic. The OOM killer is killing user-space processes ... so that the system doesn't lock up due to severe VM thrashing.)
– Stephen C
Mar 8 at 16:49
2
2
The dmesg logs come from the kernel. Look in the other log files in /var/log/**. (This could be the oomkiller killing your application because it is using up all of the available memory ...)
– Stephen C
Mar 8 at 12:27
The dmesg logs come from the kernel. Look in the other log files in /var/log/**. (This could be the oomkiller killing your application because it is using up all of the available memory ...)
– Stephen C
Mar 8 at 12:27
@StephenC , one question , in case of oom panic shouldn't rc will be captured in the script in the following line ?
– PS.
Mar 8 at 16:00
@StephenC , one question , in case of oom panic shouldn't rc will be captured in the script in the following line ?
– PS.
Mar 8 at 16:00
1
1
The OOM killer effectively does a "kill -9" so there won't be a meaningful RC. And it may also be killing the shell process. (It is not a panic. The OOM killer is killing user-space processes ... so that the system doesn't lock up due to severe VM thrashing.)
– Stephen C
Mar 8 at 16:49
The OOM killer effectively does a "kill -9" so there won't be a meaningful RC. And it may also be killing the shell process. (It is not a panic. The OOM killer is killing user-space processes ... so that the system doesn't lock up due to severe VM thrashing.)
– Stephen C
Mar 8 at 16:49
add a comment |
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The dmesg logs come from the kernel. Look in the other log files in /var/log/**. (This could be the oomkiller killing your application because it is using up all of the available memory ...)
– Stephen C
Mar 8 at 12:27
@StephenC , one question , in case of oom panic shouldn't rc will be captured in the script in the following line ?
– PS.
Mar 8 at 16:00
1
The OOM killer effectively does a "kill -9" so there won't be a meaningful RC. And it may also be killing the shell process. (It is not a panic. The OOM killer is killing user-space processes ... so that the system doesn't lock up due to severe VM thrashing.)
– Stephen C
Mar 8 at 16:49