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Date:      Wed, 29 Aug 2018 13:33:41 -0700
From:      Mark Millard <marklmi@yahoo.com>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Ian Lepore <ian@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: FYI: head -r338341 on Pine64+ 2GB early "KLD file umodem.ko is missing dependencies" but later manual kldload works
Message-ID:  <18DC1BDF-4FB1-4A39-9C29-874BE1F46E07@yahoo.com>
In-Reply-To: <CANCZdfrrksWTiLsmygFH17CpCg0O%2B4mkaR2WTcM15npZ%2BSOs5g@mail.gmail.com>
References:  <F1F55A4A-CBB5-4C07-B87A-E5967462CD70@yahoo.com> <1535556653.33841.29.camel@freebsd.org> <EA841787-237E-46C6-9481-98268C49201C@yahoo.com> <CANCZdfrrksWTiLsmygFH17CpCg0O%2B4mkaR2WTcM15npZ%2BSOs5g@mail.gmail.com>

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On 2018-Aug-29, at 12:12 PM, Warner Losh <imp at bsdimp.com> wrote:

> On Wed, Aug 29, 2018 at 11:45 AM Mark Millard via freebsd-arm =
<freebsd-arm@freebsd.org> wrote:
>=20
>=20
> On 2018-Aug-29, at 8:30 AM, Ian Lepore <ian at freebsd.org> wrote:
>=20
> > On Tue, 2018-08-28 at 22:53 -0700, Mark Millard via freebsd-arm =
wrote:
> >> Loading kernel...
> >> /boot/kernel/kernel text=3D0x8d4607 data=3D0x176e78+0x79d254
> >> syms=3D[0x8+0x11f670+0x8+0x112dd8]
> >> Loading configured modules...
> >> /boot/entropy size=3D0x1000
> >> /boot/kernel/umodem.ko text=3D0x2168 text=3D0x1410 =
data=3D0x102d0+0xfd40
> >> syms=3D[0x8+0xf30+0x8+0xb73]
> >> Using DTB provided by EFI at 0x47ff9000.
> >> Loading DTB overlays: 'sun50i-a64-sid,sun50i-a64-ths,sun50i-a64-
> >> timer'
> >> /boot/dtb/overlays/sun50i-a64-sid.dtbo size=3D0x1fd
> >> /boot/dtb/overlays/sun50i-a64-ths.dtbo size=3D0x3e8
> >> /boot/dtb/overlays/sun50i-a64-timer.dtbo size=3D0x175
> >> applying DTB overlay '/boot/dtb/overlays/sun50i-a64-sid.dtbo'
> >> applying DTB overlay '/boot/dtb/overlays/sun50i-a64-ths.dtbo'
> >> applying DTB overlay '/boot/dtb/overlays/sun50i-a64-timer.dtbo'
> >> EHCI failed to shut down host controller.
> >> ---<<BOOT>>---
> >> KDB: debugger backends: ddb
> >> KDB: current backend: ddb
> >> Copyright (c) 1992-2018 The FreeBSD Project.
> >> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,
> >> 1994
> >>         The Regents of the University of California. All rights
> >> reserved.
> >> FreeBSD is a registered trademark of The FreeBSD Foundation.
> >> FreeBSD 12.0-ALPHA3  r338341M arm64
> >> FreeBSD clang version 6.0.1 (tags/RELEASE_601/final 335540) (based =
on
> >> LLVM 6.0.1)
> >> VT: init without driver.
> >> KLD file umodem.ko is missing dependencies
> >> . . .
> >>=20
> >>=20
> >> Based on:
> >>=20
> >> # more /boot/loader.conf=20
> >> geom_label_load=3D"YES"           # File system labels (see =
glabel(8))
> >> #
> >> boot_multicons=3D"YES"
> >> boot_serial=3D"YES"
> >> #
> >> hw.usb.template=3D3
> >> umodem_load=3D"YES"
> >> #
> >> fdt_overlays=3D"sun50i-a64-sid,sun50i-a64-ths,sun50i-a64-timer"
> >> #
> >> kern.cam.boot_delay=3D"10000"
> >> vfs.mountroot.timeout=3D"10"
> >> dumpdev=3D"/dev/gpt/PINE642Gswap"
> >>=20
> >>=20
> >>=20
> >> But after login:
> >>=20
> >> # kldstat
> >> Id Refs Address                Size Name
> >>  1    1 0xffff000000000000  141bba8 kernel
> >> # kldload umodem.ko
> >> # kldstat
> >> Id Refs Address                Size Name
> >>  1    6 0xffff000000000000  141bba8 kernel
> >>  2    1 0xffff00005d000000    41000 umodem.ko
> >>  3    1 0xffff00005d041000    41000 ucom.ko
> >>=20
> >>=20
> >> (I do not know if this will cause me any problems
> >> later or not. For now: just an FYI.)
> >>=20
> >> =3D=3D=3D
> >> Mark Millard
> >> marklmi at yahoo.com
> >> ( dsl-only.net went
> >> away in early 2018-Mar)
> >=20
> > It appears that the umodem driver has all the right MODULE_DEPEND()
> > statements. Does this happen only on first boot? If it happens on =
every
> > boot, try doing "service kldxref start", then see if it's better on =
the
> > next boot.
> >=20
> > My theory is that the root problem here is that kldxref can't be run =
as
> > a cross-tool. So on first boot, module dependencies don't get =
handled
> > correctly. But kldxref should run automatically on the first boot =
and
> > then things should be right after that.
> >=20
> > We *really* need to fix kldxref to be runnable as a cross-tool.
> >=20
>=20
> [The below is from the console port history from before your note.
> The Pine64+ 2GB is doing a buildworld buildkernel that will not
> complete for some time.]
>=20
> =46rom a reboot after having deleted /boot/kernel/linker.hints :
>=20
> Mounting local filesystems:.
> ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib =
/usr/local/lib/perl5/5.26/mach/CORE
> Building /boot/kernel/linker.hints
>=20
> then later rebooting again:
>=20
> VT: init without driver.
> KLD file umodem.ko is missing dependencies
>=20
>=20
> kldref for cross-builds could still be a problem but it
> need not be the only one.
>=20
> silly question, but what does ls /boot/kernel say?

As reported originally and shown above, kldload worked
after logging in. It implicitly loaded ucom.ko but
nothing else.

As /boot/kernel/* is rather a long list I'll just do:

# ls -1 /boot/kernel/u*
/boot/kernel/u3g.ko
/boot/kernel/uark.ko
/boot/kernel/uart.ko
/boot/kernel/ubsa.ko
/boot/kernel/ubsec.ko
/boot/kernel/ubser.ko
/boot/kernel/ubtbcmfw.ko
/boot/kernel/uchcom.ko
/boot/kernel/ucom.ko
/boot/kernel/ucycom.ko
/boot/kernel/udbp.ko
/boot/kernel/udf.ko
/boot/kernel/udf_iconv.ko
/boot/kernel/udl.ko
/boot/kernel/uep.ko
/boot/kernel/uether.ko
/boot/kernel/ufm.ko
/boot/kernel/ufoma.ko
/boot/kernel/ufs.ko
/boot/kernel/uftdi.ko
/boot/kernel/ugensa.ko
/boot/kernel/ugold.ko
/boot/kernel/uhci.ko
/boot/kernel/uhid.ko
/boot/kernel/uhid_snes.ko
/boot/kernel/uhso.ko
/boot/kernel/uinput.ko
/boot/kernel/uipaq.ko
/boot/kernel/ukbd.ko
/boot/kernel/uled.ko
/boot/kernel/ulpt.ko
/boot/kernel/umass.ko
/boot/kernel/umcs.ko
/boot/kernel/umct.ko
/boot/kernel/umodem.ko
/boot/kernel/umoscom.ko
/boot/kernel/ums.ko
/boot/kernel/unionfs.ko
/boot/kernel/uplcom.ko
/boot/kernel/urio.ko
/boot/kernel/usb.ko
/boot/kernel/usb_quirk.ko
/boot/kernel/usb_template.ko
/boot/kernel/usfs.ko
/boot/kernel/usie.ko
/boot/kernel/uslcom.ko
/boot/kernel/uvisor.ko
/boot/kernel/uvscom.ko

(My console is set rather wide, thus the ls -1 .)

Let me know if that is not enough for some reason.

=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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