Locks up

[jtgd]

It's been crashing for me lately. Locks up (display won't update), no response to keys, 100% CPU on one core, Ctrl-C won't stop it, kill -SIGHUP will. Usually it runs for days before this happens, but just now it was less than an hour from startup so I suppose it's random. It's been doing this for a few months. Is there any info I can collect to help you?

I'm running this in a tmux window. Linux kernel 5.1.5.

[epilys]

Hello @jtgd, my apologies for not replying earlier. I had intended to do so but honestly just forgot.

I tried letting it run for days as you did back when you reported this but I wasn't able to reproduce this so I'm afraid you would have to give me some info on this first. Fortunately it's simple:

1. Build and run the debug build (cargo run). It will be noticeably slower but it will most probably be still fast enough to be usable. It might idle on 10-20% of CPU though.
2. Wait for it to hang
3. When it hangs, attach with gdb (ie rust-gdb --pid=$(pgrep bb)). If successful bb will be stopped (process state T).
4. Usually you would share a core dump, but this would mean I would see all of the procfs data in the memory. Instead print a backtrace (bt), and copy paste it here. That should hopefully be enough.
5. Run kill to stop the process. (by the way, Ctrl-C not working is a bug. I hope I fix a push for this asap, thank you)
6. Run quit.