Il 05/08/19 17:49, Akemi Yagi ha scritto: > On Mon, Aug 5, 2019 at 8:42 AM Alessandro Baggi > <alessandro.baggi at gmail.com> wrote: >> >> Il 05/08/19 17:30, Akemi Yagi ha scritto: >>> On Mon, Aug 5, 2019 at 6:46 AM Alessandro Baggi >>> <alessandro.baggi at gmail.com> wrote: >>>> >>>> Hey there, >>>> I'm trying to compile a single module following this guide: >>>> >>>> https://wiki.centos.org/HowTos/BuildingKernelModules#head-d2e4c05886f94c701e4ae74387d41d8c40c25d01 >>>> >>>> and >>>> >>>> https://wiki.centos.org/HowTos/I_need_the_Kernel_Source >>>> >>>> I tried to compile a module for novuton led controller supplied by >>>> thirdparty and I got several error. >>>> >>>> To check if this is the wrong procedure I tried to compile cifs module >>>> as listed in howto but when loading with modprobe I get "Exec format >>>> error", and from dmesg "cifs: no symbol version for module_layout >>>> ", the same errors when compiling novuton module and I don't know why I >>>> get this error. >>> >>> When following the instructions in BuildingKernelModules, which kernel >>> version did you use? Also, after the "depmod -a" step, what is the >>> output from: >>> >>> $ modinfo cifs | grep filename >>> >>>> I noticed that modules in centos are compressed in .xz but after running >>>> make M=fs/cifs I got only a .ko kernel module and then I run xz to >>>> compress the new module. >>> >>> Compressing modules is optional. Uncompressed form is functionally the >>> same (of course it saves some disk space). >>> >>>> Can someone help me please? >>>> >>>> Thanks in advance. >>> >>> Akemi >> >> Hi Akemi, >> thank you for your answer. >> >> Kernel version used is 3.10.0-957.27.2.el7.x86_64 >> >> [root at c7-test SPECS]# modinfo cifs | grep filename >> filename: /lib/modules/3.10.0-957.27.2.el7.x86_64/extra/cifs.ko > > Looking good. I assume your running kernel is 3.10.0-957.27.2.el7 ? > > Akemi > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > Reading from dmesg seems that the module is not accepted by kernel due to invalid signature. I need to sign the module with a key? Thanks in advance