Nice, thanks! Am Samstag, 18. November 2017 17:34:47 UTC+1 schrieb RobertCNelson: > > > > On Nov 18, 2017 9:01 AM, "Alexander Rössler" <[email protected] > <javascript:>> wrote: > > I need an RT kernel, so 4.14 does not work for me, yet. > > Are there any improvements with 4.9 over 4.4? > > > Rt just came out for v4.14 > > > https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/ > > I'll have something later tonight, when my plane lands. > > > > Am Mittwoch, 15. November 2017 19:59:43 UTC+1 schrieb RobertCNelson: > >> >> >> On Nov 15, 2017 2:51 AM, "Alexander Rössler" <[email protected]> >> wrote: >> >> 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. >> >> >> This is only an issue on first boot, as the keys are only generated once. >> >> >> >> What else can I do to make the BBB boot faster? >> >> >> >> Use the v4.14.x based kernel. >> >> As I've spent some time building in and disabling unneeded modules. >> >> Regards, >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/6f60b064-9c00-47b3-ad4c-b6df25fb0ee3%40googlegroups.com > > <https://groups.google.com/d/msgid/beagleboard/6f60b064-9c00-47b3-ad4c-b6df25fb0ee3%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > > >
-- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/10146a74-3098-4010-958c-73e5a1c875ab%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
