Error 503, PHP about unit HOT 8 OPEN

Are you getting coredumps? (might not be enabled)

I would really like to see a backtrace from one

$ gdb /path/to/unitd /path/to/coredump
(gdb) bt full

Or if your running systemd then it may be intercepting the core dumps,

$ coredumpctl

If that shows a list, good stuff

$ coredumpctl gdb

Will launch gdb on the most recent coredump...

from unit.

Are you getting coredumps? (might not be enabled)

I would really like to see a backtrace from one

$ gdb /path/to/unitd /path/to/coredump
(gdb) bt full

Or if your running systemd then it may be intercepting the core dumps,

$ coredumpctl

If that shows a list, good stuff

$ coredumpctl gdb

Will launch gdb on the most recent coredump...

How I can enable coredumps in unitd processes?
I can't find anything in doc this info, about enabling coredumps in unitd.
How i can do this in docker container?

from unit.

Not really a Unit specific thing...

In the container what does

$ cat /proc/sys/kernel/core_pattern

return?

When unit is running what does

$ cat /proc/`pidof -s unitd`/limits

show?

from unit.

Not really a Unit specific thing...

In the container what does

$ cat /proc/sys/kernel/core_pattern

return?

When unit is running what does

$ cat /proc/`pidof -s unitd`/limits

show?

cat /proc/sys/kernel/core_pattern
/tmp/core

cat /proc/pidof -s unitd/limits:|

Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size 8388608 unlimited bytes
Max core file size unlimited unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 1048576 1048576 processes
Max open files 1048576 1048576 files
Max locked memory 8388608 8388608 bytes
Max address space unlimited unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 1030780 1030780 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us

from unit.

OK, so according to that you should be betting core dumps in /tmp/ named core or possibly core.pid (depending on the setting of /proc/sys/kernel/core_uses_pid). See anything there?

from unit.

If you find a core file. You can do

$ gdb /path/to/uniid /path/to/corefile
(gdb) bt full
"Might need to press 'c' to get the full thing"

Alternatively if you are able to create a minimal reproducer...

from unit.

If you find a core file. You can do

$ gdb /path/to/uniid /path/to/corefile
(gdb) bt full
"Might need to press 'c' to get the full thing"

Alternatively if you are able to create a minimal reproducer...

Thanks for the answer. Another question, are dumps uploaded only when a unitd crashes or can they be uploaded when some process crashes?

from unit.