On Mon, 8 May 2017, Paul Menzel wrote: > `CONFIG_PRINTK_TIME` is already selected in the Debian configuration. That's odd; the kernel timestamps weren't present in the journalctl output you posted earlier. > As I have never built a module separately before, and while reading up > on it, I remembered, that there is the config option `maxdepth` in pm- > graph limiting the depth of the graph by default to five [1]. I > increased it to ten now, and, I think, it shows that `hub_port_reset` > takes 120 ms twice, though the two `msleeps` only add up to 87 ms the > first time. I'll analyze the ftrace output in more detail tomorrow. > Please find all the files in the attached archive, and please tell me, > if you still want me to rebuild the usbcore kernel module. Yes, please do. To build just the usbcore module, you can do: make -DVERBOSE_DEBUG -M drivers/usb/core Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
