On Mon, Oct 24, 2022, at 21:31, Raphaël Halimi wrote: > I don't know how to use strace. Could you please direct me ?
If you find the process that hangs (likely a ccache process in this case) with PID P, use strace -p P to attach to it and see which system call it is waiting for. > The file does not exist on my machine; do I just need to create > /var/cache/pbuilder/ccache/ccache.conf containing a single line "log_file=..." > or is there something else to do ? Yes, something like echo "log_file = /var/cache/pbuilder/ccache/ccache.log" >/var/cache/pbuilder/ccache/ccache.conf should do it. Regards, Joel