Re: [yocto] [PATCH v7 0/7] Add barebox bootloader support (and testing)

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Tue, 2024-10-01 at 16:35 +0200, Ahmad Fatoum wrote:
> Hi,
> 
> On 20.09.24 12:37, Enrico Jörns wrote:
> > Am Donnerstag, dem 19.09.2024 um 21:56 +0100 schrieb Richard Purdie:
> > > This looked better in testing, thanks. There was:
> > > 
> > > https://valkyrie.yoctoproject.org/#/builders/23/builds/168/steps/14/logs/stdio
> > > 
> > > which is from oe-selftest on an ARM server though :/
> > 
> > Thank you for the test log!> 
> > I'll try to figure out why it works in my test setup but doesn't in the autobuilder..
> > Not sure if I'll have the chance to reproduce it on an ARM host.
> 
> I tried reproducing the breakage on a Librecomputer Alta (Cortex-A73/A53) with Debian 12
> for arm64, but without success. Details below.
> 
> I applied this series on top of commit
> 
> 4fc8427a6c ("systemd: make home directory readable by systemd-coredump")
> 
> > Barebox doesn't seem to boot at all (or output is missing) and U-Boot got stuck.
> 
> Both barebox' oe-selftest:
> 
>   a3f@hass:~/poky/build$ oe-selftest -r barebox -v -v -v -K
>   [1] 257856
>   2024-09-27 15:06:52,672 - oe-selftest - INFO - Adding layer libraries:
>   2024-09-27 15:06:52,672 - oe-selftest - INFO -  /home/a3f/poky/meta/lib
>   2024-09-27 15:06:52,673 - oe-selftest - INFO -  /home/a3f/poky/meta-yocto-bsp/lib
>   2024-09-27 15:06:52,674 - oe-selftest - INFO -  /home/a3f/poky/meta-selftest/lib
>   2024-09-27 15:06:52,680 - oe-selftest - INFO - Checking base configuration is valid/parsable
>   NOTE: Starting bitbake server...
>   2024-09-27 15:06:59,982 - oe-selftest - INFO - Adding: "include selftest.inc" in /home/a3f/poky/build-st/conf/local.conf
>   2024-09-27 15:06:59,983 - oe-selftest - INFO - Adding: "include bblayers.inc" in bblayers.conf
>   2024-09-27 15:06:59,985 - oe-selftest - INFO - test_boot_barebox (barebox.BareboxTest.test_boot_barebox)
>   2024-09-27 15:07:00,024 - oe-selftest - DEBUG - Writing to: /home/a3f/poky/build-st/conf/selftest.inc
>   
>   QB_DEFAULT_KERNEL = "barebox-dt-2nd.img"
>   PREFERRED_PROVIDER_virtual/bootloader = "barebox"
>   
>   
>   2024-09-27 15:23:54,349 - oe-selftest - INFO -  ... ok
>   2024-09-27 15:23:54,357 - oe-selftest - INFO - ----------------------------------------------------------------------
>   2024-09-27 15:23:54,358 - oe-selftest - INFO - Ran 1 test in 1019.863s
>   2024-09-27 15:23:54,359 - oe-selftest - INFO - OK
>   2024-09-27 15:24:08,447 - oe-selftest - INFO - RESULTS:
>   2024-09-27 15:24:08,450 - oe-selftest - INFO - RESULTS - barebox.BareboxTest.test_boot_barebox: PASSED (1014.37s)
>   2024-09-27 15:24:08,513 - oe-selftest - INFO - SUMMARY:
>   2024-09-27 15:24:08,514 - oe-selftest - INFO - oe-selftest () - Ran 1 test in 1019.866s
>   2024-09-27 15:24:08,515 - oe-selftest - INFO - oe-selftest - OK - All required tests passed (successes=1, skipped=0, failures=0, errors=0)
> 
> and U-Boot's conclude successfully:
> 
>   a3f@hass:~/poky/build$ oe-selftest -r uboot -v -v -v -K
>   2024-09-30 10:41:21,225 - oe-selftest - INFO - Adding layer libraries:
>   2024-09-30 10:41:21,225 - oe-selftest - INFO -  /home/a3f/poky/meta/lib
>   2024-09-30 10:41:21,225 - oe-selftest - INFO -  /home/a3f/poky/meta-yocto-bsp/lib
>   2024-09-30 10:41:21,226 - oe-selftest - INFO -  /home/a3f/poky/meta-selftest/lib
>   2024-09-30 10:41:21,229 - oe-selftest - INFO - Checking base configuration is valid/parsable
>   NOTE: Starting bitbake server...
>   2024-09-30 10:41:24,120 - oe-selftest - INFO - Adding: "include selftest.inc" in /home/a3f/poky/build-st/conf/local.conf
>   2024-09-30 10:41:24,125 - oe-selftest - INFO - Adding: "include bblayers.inc" in bblayers.conf
>   2024-09-30 10:41:24,131 - oe-selftest - INFO - test_boot_uboot (uboot.UBootTest.test_boot_uboot)
>   2024-09-30 10:41:24,214 - oe-selftest - DEBUG - Writing to: /home/a3f/poky/build-st/conf/selftest.inc
>   
>   QB_DEFAULT_BIOS = "u-boot.bin"
>   PREFERRED_PROVIDER_virtual/bootloader = "u-boot"
>   
>   
>   2024-09-30 10:52:59,680 - oe-selftest - INFO -  ... ok
>   2024-09-30 10:52:59,692 - oe-selftest - INFO - ----------------------------------------------------------------------
>   2024-09-30 10:52:59,693 - oe-selftest - INFO - Ran 1 test in 696.374s
>   2024-09-30 10:52:59,695 - oe-selftest - INFO - OK
>   2024-09-30 10:53:13,581 - oe-selftest - INFO - RESULTS:
>   2024-09-30 10:53:13,584 - oe-selftest - INFO - RESULTS - uboot.UBootTest.test_boot_uboot: PASSED (695.55s)
>   2024-09-30 10:53:13,647 - oe-selftest - INFO - SUMMARY:
>   2024-09-30 10:53:13,648 - oe-selftest - INFO - oe-selftest () - Ran 1 test in 696.378s
>   2024-09-30 10:53:13,649 - oe-selftest - INFO - oe-selftest - OK - All required tests passed (successes=1, skipped=0, failures=0, errors=0)
> 
> 
> > U-Boot log in the failed test says
> > 
> > > U-Boot 2024.07 (Jul 01 2024 - 18:07:18 +0000)
> > > DRAM:  256 MiB
> > > Core:  51 devices, 14 uclasses, devicetree: board
> > > Flash: 64 MiB
> > > Loading Environment from Flash... *** Warning - bad CRC, using default environment
> > > In:    serial,usbkbd
> > > Out:   serial,vidconsole
> > > Err:   serial,vidconsole
> > > Bus xhci_pci: Register 8001040 NbrPorts 8
> > > Starting the controller
> > 
> > While my successful run goes further:
> > 
> > > [...]
> > > Starting the controller
> > > USB XHCI 1.00
> > > scanning bus xhci_pci for devices... 3 USB Device(s) found
> > > Net:   eth0: virtio-net#32
> > > ESC[?25h
> > > Hit any key to stop autoboot:  2
> > 
> > But not sure if this is an issue with USB emulation or something else...
> 
> My successful run looks identical to yours. barebox start up is also
> successful and uneventful.
> 
> Note that barebox' XHCI driver doesn't have PCI support unlike U-Boot, so
> if the same issue is affecting both barebox and U-Boot breakage in CI,
> it might not be USB emulation related as barebox doesn't do any
> USB on that platform...
> 
> Is `selftest -r uboot -v -v -v -K` close enough to what the CI server runs
> or should I try something else to reproduce this?

That should have worked. "selftest -r barebox" should also fail.

The config used on the autobuilder for that can be seen here:

https://valkyrie.yoctoproject.org/#/builders/23/builds/168/steps/13/logs/stdio

in case the MACHINE value in particular makes a difference.

Cheers,

Richard