Hi,
I am trying to compile and use upstart from trunk. I was trying to start
a job (first job) and I ran into some error that was causing upstart to
restart a few time and then core dump.
Upon investigation, I found that the code inside job_process.c function
job_process_spawn() was trying to access /proc which is not mounted at
this time.
/* Adjust the process OOM killer priority.
*/
snprintf (filename, sizeof (filename), "/proc/%d/oom_adj",
getpid ());
fd = fopen (filename, "w");
if (! fd) {
nih_error_raise_system ();
job_process_error_abort (fds[1],
JOB_PROCESS_ERROR_OOM_ADJ, 0);
}
fprintf (fd, "%d\n", class->oom_adj);
if (fclose (fd)) {
nih_error_raise_system ();
job_process_error_abort (fds[1],
JOB_PROCESS_ERROR_OOM_ADJ, 0);
}
The /proc directory gets mounted as part of executing rc.sysinit on our
system.
The workaround that I used was to mount the /proc directory within the
upstart code in main().
Is it required that /proc be present when upstart is started?
What would happen if the above code is commented? Is/will the oom_adj
file read and used later on?
Thanks,
Sandeep
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