How can I disable that driver?

On Mon, Apr 27, 2020 at 8:57 AM Robert Nelson <[email protected]>
wrote:

> On Mon, Apr 27, 2020 at 9:46 AM Robert Nelson <[email protected]>
> wrote:
> >
> > On Mon, Apr 27, 2020 at 8:48 AM John Allwine <[email protected]> wrote:
> > >
> > > Still taking about a minute and a half. Any ideas what happened since
> August last year?
> > >
> > > debian@beaglebone:~$ systemd-analyze
> > > Startup finished in 3.901s (kernel) + 1min 30.548s (userspace) = 1min
> 34.449s
> > > debian@beaglebone:~$ systemd-analyze blame
> > >     1min 28.412s generic-board-startup.service
> > >          46.345s bb-bbai-tether.service
> > >          42.818s dev-mmcblk1p1.device
> > >          14.048s systemd-rfkill.service
> > >            927ms loadcpufreq.service
> > >            861ms systemd-udev-trigger.service
> >
> > Quick comparison, between teh kernel from last august and today:
> >
> > debian@beaglebone:~$ uname -r ; systemd-analyze
> > 4.14.108-ti-r132
> > Startup finished in 6.013s (kernel) + 1min 30.734s (userspace) = 1min
> 36.747s
> >
> > debian@beaglebone:~$ uname -r ; systemd-analyze
> > 4.14.108-ti-r113
> > Startup finished in 4.517s (kernel) + 1min 30.544s (userspace) = 1min
> 35.062s
>
> It's taking 40+ seconds for the brcmfmac driver to load:
>
> Apr 27 14:50:27 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:50:32 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:50:37 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:50:42 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:50:48 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:50:52 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:50:57 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:51:02 beaglebone bb-bbai-tether[1610]: bbai:tether waiting
> for /sys/class/net/wlan0
> Apr 27 14:51:07 beaglebone bb-bbai-tether[1610]: bbai:wlan0:Power
> Management:off
> Apr 27 14:51:07 beaglebone bb-bbai-tether[1610]: bbai:tether [iw phy
> phy0 interface add SoftAp0 type __ap]
> Apr 27 14:51:07 beaglebone bb-bbai-tether[1610]: bbai:tether [phy0 created]
> Apr 27 14:51:07 beaglebone bb-bbai-tether[1610]: bbai:tether [ip link
> set dev SoftAp0 down]
> Apr 27 14:51:07 beaglebone bb-bbai-tether[1610]: bbai:tether [ip link
> set dev SoftAp0 address 28:EC:9A:4C:63:D8]
> Apr 27 14:51:07 beaglebone bb-bbai-tether[1610]: bbai:tether [ip link
> set dev SoftAp0 up]
> Apr 27 14:51:08 beaglebone bb-bbai-tether[1610]: bbai:tether [ip addr
> add 192.168.8.1/24 broadcast 192.168.8.255 dev SoftAp0]
> Apr 27 14:51:08 beaglebone bb-bbai-tether[1610]: bbai:tether [iptables
> -w -t nat -A POSTROUTING -o wlan0 -j MASQUERADE]
> Apr 27 14:51:08 beaglebone bb-bbai-tether[1610]: bbai:tether [iptables
> -w -A FORWARD -i wlan0 -o SoftAp0 -m state --state RELATED,ESTABLISHE
> D -j ACCEPT]
> Apr 27 14:51:08 beaglebone bb-bbai-tether[1610]: bbai:tether [iptables
> -w -A FORWARD -i SoftAp0 -o wlan0 -j ACCEPT]
> Apr 27 14:51:10 beaglebone bb-bbai-tether[1610]: Configuration file:
> /tmp/hostapd-bbai.conf
> Apr 27 14:51:10 beaglebone bb-bbai-tether[1610]: SoftAp0: Could not
> connect to kernel driver
> Apr 27 14:51:10 beaglebone bb-bbai-tether[1610]: Using interface
> SoftAp0 with hwaddr 28:ec:9a:4c:63:d8 and ssid "BeagleBone-63D8"
> Apr 27 14:51:11 beaglebone bb-bbai-tether[1610]: SoftAp0: interface
> state UNINITIALIZED->ENABLED
> Apr 27 14:51:11 beaglebone bb-bbai-tether[1610]: SoftAp0: AP-ENABLED
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>

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