Hello everyone,
I'm using the latest IoT images for the BBB and noticed that the bootup
time from the eMMC is very slow. it takes ~1.5min for the USB gadget
network interface to appear under Linux.
What can I do to improve the startup performance of the BBB?
So far I have disabled auto for the eth0 interface.
sudo nano /etc/network/interfaces
allow-hotplug eth0
Moreover, I have disabled graphical boot.
systemctl set-default multi-user.target
> systemctl get-default
Still very slow is the generic-board-startup.service
1min 53.980s dev-mmcblk1p1.device
1min 50.627s generic-board-startup.service
4.208s ModemManager.service
4.106s systemd-udev-trigger.service
2.366s networking.service
2.032s NetworkManager.service
1.973s capemgr.service
1.838s systemd-journald.service
1.809s pppd-dns.service
1.579s dnsmasq.service
1.486s rsyslog.service
1.098s avahi-daemon.service
920ms systemd-logind.service
856ms systemd-udevd.service
845ms bb-wl18xx-wlan0.service
737ms sys-fs-fuse-connections.mount
730ms ssh.service
724ms systemd-sysctl.service
719ms systemd-timesyncd.service
651ms sys-kernel-debug.mount
604ms systemd-update-utmp.service
592ms dev-mqueue.mount
559ms sys-kernel-config.mount
493ms systemd-remount-fs.service
458ms polkit.service
448ms systemd-user-sessions.service
414ms systemd-tmpfiles-setup-dev.service
413ms systemd-tmpfiles-setup.service
360ms systemd-random-seed.service
359ms systemd-journal-flush.service
319ms systemd-modules-load.service
319ms kmod-static-nodes.service
225ms systemd-update-utmp-runlevel.service
168ms bb-wl18xx-bluetooth.service
I noticed that SSH key regeneration takes ~15s at boot. However, when I
removed /etc/ssh/ssh.regenerate USB networking did not work anymore.
What else can I do to make the BBB boot faster?
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