Date: Sat, 16 Jan 2021 18:43:33 +0100 From: Emmanuel Vadot <manu@bidouilliste.com> To: "Dr. Rolf Jansen" <freebsd-rj@obsigna.com> Cc: freebsd-arm@freebsd.org Subject: Re: GENERICSD snapshot on a BBB has issues with loading the if_rtwn_usb module Message-ID: <20210116184333.f91594f9c3505d2c588d9634@bidouilliste.com> In-Reply-To: <47700631-2D94-4BA8-9707-9ADD70C99600@obsigna.com> References: <47700631-2D94-4BA8-9707-9ADD70C99600@obsigna.com>
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On Sat, 16 Jan 2021 14:08:58 -0300
"Dr. Rolf Jansen" <freebsd-rj@obsigna.com> wrote:
> I updated one of my BBB from an older 13-CURRENT (July 2020) to the lates=
t 13-ALPHA1 snapshot from Jan, 14th ? GENERICSD-20210114-7ae27c2d6c4-255938.
>=20
> I had successfully employed an USB-WLAN dongle based on the RTL8188eu chi=
pset. I only added the following into /boot/loader.conf:
>=20
> if_rtwn_usb_load=3D"YES"
>=20
> By that all dependend modules were loaded automatically in a snap. With A=
LPHA1 this doesn?t work anymore. After hours of troubleshooting, I got it w=
orking by adding the following into /etc/rc.conf:
>=20
> kld_list=3D"if_rtwn_usb"
>=20
> The "Loading kernel modules:" takes apprx. 4 seconds, however, then the U=
SB-WLAN device is enumerated correctly and it is ready to use. This makes m=
e think that this uncommon huge delay is the culprit. I checked this with s=
ome snapshot thats I had installed already. The issue seems to have been in=
troduced together with the switch to GENERICSD. A GENERICSD 13-CURRENT from=
end of December showed this issue already, while a BBB-specific snapshot (=
from November 2020) that I had installed on another BBB works as before by =
loading the modules in /boot/loader.conf.
>=20
> I don't mind to load the modules by the way of the kld_list directive in =
/etc/rc.conf. However, the unusual long duration of loading the module and =
its dependencies might be an indication for a more fundamental issue.
>=20
> Please feel free to ask me for doing more tests.=20
>=20
> Best regards
>=20
> Rolf
I can reproduce that on my netbooted BBB.
The module is correctly loaded :
Loading
kernel... /boot/kernel/kernel text=3D0x1b4 text=3D0x68d638 text=3D0x1c84f0
data=3D0xb4070 data=3D0x0+0x258000 syms=3D[0x4+0xa5ab0+0x4+0x119fd4] Loading
configured modules... /boot/kernel/if_rtwn_usb.ko text=3D0xb960
text=3D0x62c0 data=3D0x2cc+0x3b syms=3D[0x4+0x3570+0x4+0x293f] /boot/entropy
size=3D0x1000 /etc/hostid
size=3D0x25 Using DTB provided by EFI at
0x87f00000. Kernel entry at
0x96e00200... Kernel args:
(null) =
=20
---<<BOOT>>--- =
=20
But it isn't loaded anymore after booting :
root@bbb:~ # kldstat=20
Id Refs Address Size Name
1 1 0xc0000000 d23a8c kernel
I don't think it has to do with the switch to GENERICSD, there is (at
least shouldn't be) any difference between the old BBB image and the
GENERICSD one.
--=20
Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
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