On 07/11/2018 06:12 PM, Simon Glass wrote:
Hi Stephen,

On 11 July 2018 at 16:01, Stephen Warren <swar...@wwwdotorg.org> wrote:
On 07/10/2018 02:24 PM, Simon Glass wrote:

Hi Stephen,

On 10 July 2018 at 13:53, Stephen Warren <swar...@wwwdotorg.org> wrote:

On 07/10/2018 12:47 PM, Tom Rini wrote:


On Mon, Jul 09, 2018 at 01:53:43PM -0600, Simon Glass wrote:

Hi Tom.

Here are some test-coverage and DM core enhancements. Also it adds a
way to access the binman definition from U-Boot.


The following changes since commit
8c5d4fd0ec222701598a27b26ab7265d4cee45a3:

     Prepare v2018.07 (2018-07-09 10:24:14 -0400)

are available in the Git repository at:

     git://git.denx.de/u-boot-dm.git

for you to fetch changes up to
16b8d6b76992690c65c58dc8b0591496cc5e46ef:

     binman: Support updating the device tree with calc'd info
(2018-07-09 09:11:00 -0600)



This pull has caused intermittent/random build errors on my Jenkins
system.
The log shows:

    LD      spl/u-boot-spl
    OBJCOPY spl/u-boot-spl-nodtb.bin
    COPY    spl/u-boot-spl.bin
    BINMAN  u-boot-tegra.bin
    BINMAN  u-boot-nodtb-tegra.bin
    BINMAN  u-boot-dtb-tegra.bin
binman: pylibfdt error -9: FDT_ERR_BADMAGIC


/var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/src/u-boot/Makefile:1244:
recipe for target 'u-boot-tegra.bin' failed
make[1]: *** [u-boot-tegra.bin] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory

'/var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/build/u-boot/beaver'
Makefile:148: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
make: Leaving directory
'/var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/src/u-boot'



This doesn't happen every time; my Jenkins system builds 25 Tegra/sandbox
boards, yet a varying set of boards fail each time I trigger the build:
Just
beaver the first time, then just colibri_t20 and ventana, then just
medcom-wide. Note that the system performs incremental builds, if that
matters.


That might be the fdt_resize() problem which David Gibson has just
sorted out upstream. If you can run binman -D (to get a stack trace)
that might help. I should be able to do a patch if that is the
problem.


Is this the backtrace you're looking for?

[swarren@swarren-lx1 u-boot]$
CROSS_COMPILE=/home/swarren/shared/gcc-linaro-7.2.1-2017.11-i686_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-
sh -c "make O=build-beaver -s beaver_defconfig && make O=build-beaver -s
-j8"
arch/arm/dts/tegra30-apalis.dtb: Warning (avoid_unnecessary_addr_size):
/i2c@7000d000/tps65911@2d/regulators: unnecessary #address-cells/#size-cells
without "ranges" or child "reg" property
arch/arm/dts/tegra30-beaver.dtb: Warning (avoid_unnecessary_addr_size):
/i2c@7000d000/tps65911@2d/regulators: unnecessary #address-cells/#size-cells
without "ranges" or child "reg" property
binman: pylibfdt error -9: FDT_ERR_BADMAGIC

Traceback (most recent call last):
   File "../tools/binman/binman", line 120, in RunBinman
     ret_code = control.Binman(options, args)
   File
"/home/swarren/shared/git_wa/tegra-uboot-flasher/u-boot/tools/binman/control.py",
line 128, in Binman
     dtb = fdt.FdtScan(fname)
   File
"/home/swarren/shared/git_wa/tegra-uboot-flasher/u-boot/tools/binman/../dtoc/fdt.py",
line 459, in FdtScan
     dtb = Fdt(fname)
   File
"/home/swarren/shared/git_wa/tegra-uboot-flasher/u-boot/tools/binman/../dtoc/fdt.py",
line 315, in __init__
     self._fdt_obj = libfdt.Fdt(fd.read())
   File "scripts/dtc/pylibfdt/libfdt.py", line 207, in __init__
     check_err(fdt_check_header(self._fdt));
   File "scripts/dtc/pylibfdt/libfdt.py", line 160, in check_err
     raise FdtException(val)
FdtException: pylibfdt error -9: FDT_ERR_BADMAGIC
/home/swarren/shared/git_wa/tegra-uboot-flasher/u-boot/Makefile:1244:
recipe for target 'u-boot-tegra.bin' failed
make[1]: *** [u-boot-tegra.bin] Error 1
make[1]: *** Waiting for unfinished jobs....

Thanks for that. But actually that is not something I have seen or can
explain. Here it is reading the DT at the start and somehow failing in
the check. That DT is created by the U-Boot build system. Is it
possible that your system has its own libfdt installed?

As it happened, the pylibfdt changes have been applied upstream today,
so I'll prepare a patch to sync U-Boot up with that. Hopefully that
will resolve any issues, but I am not sure.

I have the standard Ubuntu 16.04 packages installed, but no non-standard local builds:

device-tree-compiler                     1.4.0+dfsg-2
libfdt1:amd64                            1.4.0+dfsg-2

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