On Sat, Dec 08, 2018 at 09:35:06AM +0100, Heinrich Schuchardt wrote:
> Hello Simon,
>
> on qemu-arm_defconfig fails with
>
> => ut overlay
> Running 9 overlay tests
> Test: fdt_overlay_add_node_by_path
> test/overlay/cmd_ut_overlay.c:127, fdt_overlay_add_node_by_path(): off >= 0
> Test: fdt_overlay_add_node_by_phandle
> test/overlay/cmd_ut_overlay.c:113, fdt_overlay_add_node_by_phandle():
> off >= 0
> Test: fdt_overlay_add_str_property
> test/overlay/cmd_ut_overlay.c:100, fdt_overlay_add_str_property(): 0 ==
> fdt_getprop_str(fdt, "/test-node", "test-str-property-2", &val):
> Expected 0, got -9
> Test: fdt_overlay_add_subnode_property
> test/overlay/cmd_ut_overlay.c:141, fdt_overlay_add_subnode_property():
> off >= 0
> Test: fdt_overlay_change_int_property
> test/overlay/cmd_ut_overlay.c:74, fdt_overlay_change_int_property(): 0
> == ut_fdt_getprop_u32(fdt, "/test-node", "test-int-property", &val):
> Expected 0, got -9
> Test: fdt_overlay_change_str_property
> test/overlay/cmd_ut_overlay.c:87, fdt_overlay_change_str_property(): 0
> == fdt_getprop_str(fdt, "/test-node", "test-str-property", &val):
> Expected 0, got -9
> Test: fdt_overlay_local_phandle
> test/overlay/cmd_ut_overlay.c:158, fdt_overlay_local_phandle(): off >= 0
> Test: fdt_overlay_local_phandles
> test/overlay/cmd_ut_overlay.c:183, fdt_overlay_local_phandles(): off >= 0
> Test: fdt_overlay_stacked
> test/overlay/cmd_ut_overlay.c:212, fdt_overlay_stacked(): 0 ==
> ut_fdt_getprop_u32(fdt, "/new-local-node", "stacked-test-int-property",
> &val): Expected 0, got -9
> Failures: 9
>
> This is reproducable with v2018.03, v2018.05, v2018.07, v2018.09,
> v2018.11 and with current origin/master (358902586727 "Merge branch
> '2018-12-06-master-imports'").
>
> For the elder releases I had to apply
> d796735c334b "test: overlay: add missing include"
>
> The value of off is -9 in the tests above. This is -FDT_ERR_BADMAGIC.
>
> Adding some debug output sheds more light:
>
> test/overlay/cmd_ut_overlay.c(290) do_ut_overlay: fdt_base_copy
> 000000007ef33340
> test/overlay/cmd_ut_overlay.c(291) do_ut_overlay: uts->priv 000000007ef33340
> Running 9 overlay tests
> Test: fdt_overlay_add_node_by_path
> test/overlay/cmd_ut_overlay.c(127) fdt_overlay_add_node_by_path:
> uts->priv 0000000000000000
>
> This is the patch that led to problem:
> e93232e15ec9 ("test: overlay: Use cmd_ut_category()")
>
> The uts created in do_ut_overlay() is not the one used in cmd_ut_category().
>
> The easiest fix would be using a static variable for passing the fdt.
>
> The neatest solution would be cmd_ut_category() calling an
> initialization function for the category so that we can use a single
> instance of uts for the whole test.
>
> As this API is your design I would prefer leaving the resolution to you.
>
> Besides resolving the error I think we should run 'ut overlay' on Travis
> CI for all qemu platforms.I agree we should enable UT_OVERLAY as widely as possible in our automated testing platforms, thanks! -- Tom
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