Hello, I ran the following command on the target (where my kernel is running):
~ # ./lttng create my-kernel-session --output=/tmp/my-kernel-trace and then: ~ # ./lttng enable-event --kernel --syscall open,close and got: Error: Spawning consumerd failed Error: Event open: Kernel consumer start failed (channel channel0, session my-kernel-session) PERROR - 00:25:59.397308194 [1930/1930]: listen: Invalid argument (in lttcomm_listen_unix_sock() at unix.c:173) PERROR - 00:25:59.397344426 [1930/1930]: sendmsg: Bad file descriptor (in lttcomm_send_unix_sock() at unix.c:292) Error: Failed to send data back to client PERROR - 00:25:59.397353233 [1930/1930]: close: Bad file descriptor (in thread_manage_clients() at main.c:4530) Error: Event close: Kernel consumer start failed (channel channel0, session my-kernel-session) ~ # Can you please explain the cause to this error ? I'm running under a 32 bit (x86) vanilla, 4.9.20 kernel with busybox with the following lttng versions: lttng-tools-2.10.6.tar.bz2 lttng-ust-2.10.3.tar.bz2 lttng-modules-2.10.9.tar.bz2 Thank you, Zvika
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