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[Error] Kernel configuration is invalid for out-of-tree module.
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Yusuf <yusufalti1997@...>
I am trying to build a specific driver with an out-of-tree module. I created my own meta layer. But it did not work. Can anyone help me ?. I declared module init module exit functions inside driver module (sample.c) and I prepared a Makefile according to yocto project Out-Of-Tree modules section. I added this folder to bblayers.conf file under build directory. This is the file structure. /my_meta_layer |_ conf |__layer.conf |_recipes-kernel |_files |_Makefile |_sample.c |_COPYING and this is the error I got: | ERROR: Kernel configuration is invalid.| include/generated/autoconf.h or include/config/auto.conf are missing. | Run 'make oldconfig && make prepare' on kernel src to fix it. | | make[2]: *** [include/config/auto.conf] Error 1 | make[2]: Leaving directory `/home/hwlab/Desktop/Yocto2.7/build_t1042d4rdb-64b/tmp/work-shared/t1042d4rdb-64b/kernel-build-artifacts' | make[1]: *** [sub-make] Error 2 | make[1]: Leaving directory `/home/hwlab/Desktop/Yocto2.7/build_t1042d4rdb-64b/tmp/work-shared/t1042d4rdb-64b/kernel-source' | make: *** [all] Error 2 | ERROR: oe_runmake failed | WARNING: exit code 1 from a shell command. | ERROR: Function failed: do_compile (log file is located at /home/hwlab/Desktop/Yocto2.7/build_t1042d4rdb-64b/tmp/work/t1042d4rdb_64b-fsl-linux/kernel-module-sample/1.0-r0/temp/log.do_compile.1133) ERROR: Task (/home/hwlab/Desktop/Yocto2.7/sources/meta-yusuf/recipes-kernel/sample/kernel-module-sample.bb:do_compile) failed with exit code '1' .bb file is like this: SUMMARY = "Example of how to build an external Linux kernel module" LICENSE = "GPLv2" LIC_FILES_CHKSUM = "file://COPYING;md5=12f884d2ae1ff87c09e5b7ccc2c4ca7e" inherit module PR = "r0" SRC_URI = "file://Makefile \ file://sample.c \ file://COPYING \ " S = "${WORKDIR}" RPROVIDES_${PN} += "kernel-module-sample"
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Andrey Zhizhikin
On Wed, Dec 25, 2019 at 12:03 PM Yusuf <yusufalti1997@...> wrote:
Have a look at meta-skeleton/recipes-kernel/hello-mod - this is the one I would use to start with OOT module dev. I just tried to take this into may custom layer - and it builds totally fine. Please take a note how the recipe and source files are located inside that sample - you're doing it one level above, which is not a correct way. There might be something wrong with you Makefile, which you didn't disclose. Have it compared to the one provided in meta-skeleton/recipes-kernel/hello-mod .bb file is like this:-- Regards, Andrey.
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Yusuf <yusufalti1997@...>
Andrey Zhizhikin <andrey.z@...>, 25 Ara 2019 Çar, 14:47 tarihinde şunu yazdı: On Wed, Dec 25, 2019 at 12:03 PM Yusuf <yusufalti1997@...> wrote: Hello Mr. Andrey, I compared my module with hello-mod.They are not differ much. I worked with one level below this time. I also tried hello-mod itself. It gave me same result. include/generated/autoconf.h or include/config/auto.conf are also exists. I checked them. This is the result of hello-mod: | | ERROR: Kernel configuration is invalid. | include/generated/autoconf.h or include/config/auto.conf are missing. | Run 'make oldconfig && make prepare' on kernel src to fix it. | | make[2]: *** [include/config/auto.conf] Error 1 | make[2]: Leaving directory `/home/hwlab/Desktop/Yocto2.7/build_t1042d4rdb-64b/tmp/work-shared/t1042d4rdb-64b/kernel-build-artifacts' | make[1]: *** [sub-make] Error 2 | make[1]: Leaving directory `/home/hwlab/Desktop/Yocto2.7/build_t1042d4rdb-64b/tmp/work-shared/t1042d4rdb-64b/kernel-source' | make: *** [all] Error 2 | ERROR: oe_runmake failed | WARNING: exit code 1 from a shell command. | ERROR: Function failed: do_compile (log file is located at /home/hwlab/Desktop/Yocto2.7/build_t1042d4rdb-64b/tmp/work/t1042d4rdb_64b-fsl-linux/hello-mod/0.1-r0/temp/log.do_compile.21458) ERROR: Task (/home/hwlab/Desktop/Yocto2.7/sources/meta-yusuf/recipes-kernel/hello-mod/hello-mod_0.1.bb:do_compile) failed with exit code '1' Regards.
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Andrey Zhizhikin
Hello Yusuf,
On Wed, Dec 25, 2019 at 1:57 PM Yusuf Altıparmak <yusufalti1997@...> wrote: Hmm, this is indeed quite strange... I've never had this issue before with any Yocto build (including the Freescale one)... There are few things to try and clarify further here: 1. Did you try to build the kernel recipe itself? 2. Which machine you're using in your build setup? 3. Is the kernel source populated (in your build folder under work-shared)? -- Regards, Andrey.
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Yusuf <yusufalti1997@...>
Andrey Zhizhikin <andrey.z@...>, 25 Ara 2019 Çar, 22:58 tarihinde şunu yazdı: Hello Yusuf, Hello Mr. Andrey, After testing with other yocto versions and kernels I realized that this happening when I change kernel configuration. The kernel populated default from meta-freescale/recipes-kernel/linux-qoriq, is compiling hello-mod successfully, When I put my own configuration file it fails with Invalid kernel conf.... . Do you have any suggestion about this situation? Thanks. There are few things to try and clarify further here: 1. Did you try to build the kernel recipe itself? Yes I am trying this, bitbake fsl-image-full or fsl-image-networking is compiling succesfully. But bitbake hello-mod fails. 2. Which machine you're using in your build setup? t1042d4rdb-64b 3. Is the kernel source populated (in your build folder under work-shared)? Yes it is. I also have /autoconf.h or include/config/auto.conf under build directory of linux. >
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Andrey Zhizhikin
Hello Yusuf,
On Thu, Dec 26, 2019 at 8:12 AM Yusuf Altıparmak <yusufalti1997@...> wrote: This might be the root cause of your issue here. How do you change your configuration? Do you store the defconfig file and try to re-apply it later? Or you re-configure the kernel and try to re-build the module? From what I understood now, you're trying to add a new config parameter which suppose to configure your OOT module. If this is the case, then you should consider not to do it, since OOT modules should not contain any configuration parameters. If this is not the case - then you need to elaborate more on the scenario you're trying to implement. The kernel populated default from meta-freescale/recipes-kernel/linux-qoriq, is compiling hello-mod successfully,This is already a good sign! This means that upstream version has no issues, and it all comes down to modifications you're introducing with your "custom config". When I put my own configuration file it fails with Invalid kernel conf.... .Does this happens even if you're not building your OOT module? If this is the case - then you should work your configuration here, as it seems that what you do makes the kernel build breaks. Do you have any suggestion about this situation? Thanks.Just as I wrote above: try to isolate your OOT buidl failures from mis-configured kernel build. At this point I tend to lean to the scenario that it is not a module issue, rather a configuration issue. -- Regards, Andrey.
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Yusuf <yusufalti1997@...>
Andrey Zhizhikin <andrey.z@...>, 26 Ara 2019 Per, 17:02 tarihinde şunu yazdı: Hello Yusuf, Hello, I solved the problem by using a clean kernel .config and enabling only the drivers I need. Think I messed up with some module loading settings in kernel. Thank you Mr. Andrey. Regards.
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