On Mon, Jul 27, 2020 at 3:01 AM Cixi Geng <gengcixi@xxxxxxxxx> 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.
