On Mon, Jul 27, 2020 at 3:01 AM Cixi Geng gengcixi@gmail.com wrote:
Hi Brendan: When I run kunit test in um , it failed on kernel 5.8-rc* while succeeded in v5.7 with same configuration. is this a bug?
Here is my operation: gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
the kunitconfig: Cixi.Geng:~/git-projects/torvals-linux$ cat .kunitconfig CONFIG_KUNIT=y CONFIG_KUNIT_TEST=y CONFIG_KUNIT_EXAMPLE_TEST=y
command: Cixi.Geng:~/git-projects/torvals-linux$ ./tools/testing/kunit/kunit.py run
the Error log: [17:51:14] Configuring KUnit Kernel ... [17:51:14] Building KUnit Kernel ... ERROR:root:b"make[1]: \xe8\xbf\x9b\xe5\x85\xa5\xe7\x9b\xae\xe5\xbd\x95\xe2\x80\x9c/home/cixi.geng1/git-projects/torvals-linux/.kunit\xe2\x80\x9d\n/home/cixi.geng1/git-projects/torvals-linux/Makefile:551: recipe for target 'outputmakefile' failed\nmake[1]: \xe7\xa6\xbb\xe5\xbc\x80\xe7\x9b\xae\xe5\xbd\x95\xe2\x80\x9c/home/cixi.geng1/git-projects/torvals-linux/.kunit\xe2\x80\x9d\nMakefile:185: recipe for target '__sub-make' failed\n"
So we have a fix out for the cryptic error messages:
https://patchwork.kernel.org/patch/11652711/
But I believe it has not been picked up yet.
In the meantime, you should get more information by running
ls .kunit make ARCH=um O=.kunit
Let us know if you have any additional questions.