[PATCH v3 00/20] Convert extension support to UCLASS and adds its support to boot flows

Tue Oct 21 11:52:05 CEST 2025

Hi Kory,

On Tue, Oct 21, 2025, 10:02 Kory Maincent <kory.maincent at bootlin.com> wrote:

> On Tue, 21 Oct 2025 09:40:58 +0200
> Mattijs Korpershoek <mkorpershoek at kernel.org> wrote:
>
> > On Mon, Oct 20, 2025 at 11:17, Tom Rini <trini at konsulko.com> wrote:
> >
> > > On Mon, Oct 20, 2025 at 07:08:54PM +0200, Kory Maincent wrote:
> > >> On Mon, 20 Oct 2025 10:05:27 -0600
> > >> Tom Rini <trini at konsulko.com> wrote:
> > >>
> > >> > On Mon, Oct 20, 2025 at 05:23:45PM +0200, Kory Maincent wrote:
> > >> > > On Mon, 20 Oct 2025 08:37:29 -0600
> > >> > > Tom Rini <trini at konsulko.com> wrote:
> > >> > >
> > >> > > > On Mon, Oct 20, 2025 at 08:15:48AM -0600, Tom Rini wrote:
> > >> > > > > On Mon, Oct 20, 2025 at 11:50:09AM +0200, Kory Maincent wrote:
> > >> > > > >
> > >> > > > > > On Sun, 19 Oct 2025 10:48:37 -0600
> > >> > > > > > Tom Rini <trini at konsulko.com> wrote:
> > >> > > > > >
> > >> > > > > > > On Sun, Oct 19, 2025 at 02:05:51PM +0100, Simon Glass
> wrote:
> > >> > > > > > >
> > >> > > > > > > > Hi Kory,
> > >> > > > > > > >
> > >> > > > > > > > On Mon, 13 Oct 2025 at 14:32, Kory Maincent (TI.com)
> > >> > > > > > > > <kory.maincent at bootlin.com> wrote:
> > >> > > > > > > > >
> > >> > > > > > > > > This series converts the extension board framework to
> use
> > >> > > > > > > > > UCLASS as requested by Simon Glass, then adds
> extension
> > >> > > > > > > > > support to pxe_utils and bootmeth_efi (not tested) to
> > >> > > > > > > > > enable extension boards devicetree load in the
> standard
> > >> > > > > > > > > boot process.
> > >> > > > > > > > >
> > >> > > > > > > > > I can't test the imx8 extension scan enabled by the
> > >> > > > > > > > > imx8mm-cl-iot-gate_defconfig as I don't have this
> board.
> > >> > > > > > > > > I also can't test the efi bootmeth change as I don't
> have
> > >> > > > > > > > > such board.
> > >> > > > > > > >
> > >> > > > > > > > You can test this with sandbox, using one of the
> bootmeth
> > >> > > > > > > > tests, perhaps. Let me know if you need help with this.
> > >> > > > > > > >
> > >> > > > > > >
> > >> > > > > > > But the question is, does the real hardware platform work
> > >> > > > > > > before/after this, not does the sandbox test still work
> > >> > > > > > > before/after this.
> > >> > > > > >
> > >> > > > > > It seems the bootlflow scan is not working on the sandbox
> on next
> > >> > > > > > branch. Is this issue known?
> > >> > > > >
> > >> > > > > Is it fine on master? The next branch will be out of date
> until it
> > >> > > > > re-opens with -rc2 being released (2 weeks from today).
> > >> > > >
> > >> > > > ... out of sync local calendar, 3 weeks from today, not 2.
> > >> > >
> > >> > > bootstd test suit is not working on master with the
> sandbox_defconfig:
> > >> > > https://termbin.com/un0p
> > >> > >
> > >> > > Noticeable things are;
> > >> > > test/boot/bootdev.c:160, bootdev_test_any(): 0 ==
> > >> > > bootdev_find_by_any(seq, &dev, &mflags): Expected 0x0 (0), got
> > >> > > 0xffffffed (-19) Test: bootdev_test_any: bootdev.c (flat tree)
> > >> > > test/boot/bootdev.c:160, bootdev_test_any(): 0 ==
> > >> > > bootdev_find_by_any(seq, &dev, &mflags): Expected 0x0 (0), got
> > >> > > 0xffffffed (-19) Test 'bootdev_test_any' failed 2 times
> > >> > >
> > >> > > And a nice segfault:
> > >> > > Test: bootflow_set_arg: bootflow.c
> > >> > > Test: bootflow_system: bootflow.c
> > >> > > [3]    569337 segmentation fault (core dumped)  ./u-boot
> > >> > >
> > >> > > Maybe things are missing to run sandbox_defconfig on my computer?
> > >> > > With the sandbox64_defconfig there is not core dump anymore but
> there
> > >> > > is still the failed line:
> > >> > > Test 'bootdev_test_bootable' failed 2 times
> > >> > >
> > >> > > And the uboot is reboot infinitely during the bootflow test:
> > >> > > ./u-boot -T -c "ut bootstd"
> > >> > > https://termbin.com/alu5
> > >> >
> > >> > I see the same thing you do when running them outside of pytest, but
> > >> > they're also fine within pytest.
> > >> > https://docs.u-boot.org/en/latest/develop/pytest/usage.html should
> help
> > >> > get you started, and you can just run all of the ut tests under
> that.
> > >>
> > >> Weird I got errors also within pytest.
> > >> See the html test log attached generated by the following command:
> > >> ./test/py/test.py --bd sandbox -k bootstd
> > >
> > > Same. There's some implicit dependencies around I believe. Doing "-k
> ut"
> > > should work, as I tried that (via my wrapper around all this) as well
> as
> > > just running all the tests (which is longer).
> >
> > That's my understanding as well
> >
> > In Kory's log we see:
> >
> >         MMC:   Can't map file 'mmc1.img': Invalid argument
> >            sandbox_mmc_probe() mmc1: Unable to map file 'mmc1.img'
> >         Can't map file 'mmc1.img': Invalid argument
> >            sandbox_mmc_probe() mmc1: Unable to map file 'mmc1.img'
> >                    mmc_probe() mmc1 - probe failed: -1
> >         mmc2: 2 (SD)Can't map file 'mmc1.img': Invalid argument
> >            sandbox_mmc_probe() mmc1: Unable to map file 'mmc1.img'
> >         , mmc0: 0 (SD)
> >
> > These mmc1.img are needed for the bootstd tests to run properly.
> >
> > These mmc*.img are generated in test_ut.py (see setup_cros_image() for
> > example)
> >
> > So, In order to only run the bootstd tests, I think we need to to run:
> >
> >     $ ./test/py/test.py --bd sandbox --build -k test_ut
> >     $ ./test/py/test.py --bd sandbox --build -k bootstd
> >
> > Then we can just call:
> >
> >     $ ./test/py/test.py --bd sandbox --build -k bootstd
>
> Ok after installing missing dependencies and running test_ut tests I have
> less
> errors but there are still bootflow errors. See the test-log attached.
> I suppose all the tests should pass, right?
>

How are you running the tests? This is described in the docs. Search for
'tests'.

https://docs.u-boot.org/en/latest/develop/tests_sandbox.html#running-sandbox-tests-directly

Regards,
Simon

> Regards,
> --
> Köry Maincent, Bootlin
> Embedded Linux and kernel engineering
> https://bootlin.com
>