Il 08/08/19 23:23, Akemi Yagi ha scritto: > On Wed, Aug 7, 2019 at 11:00 PM Alessandro Baggi > <alessandro.baggi at gmail.com> wrote: >> >> Il 07/08/19 20:15, Akemi Yagi ha scritto: >>> On Wed, Aug 7, 2019 at 9:00 AM Alessandro Baggi >>> <alessandro.baggi at gmail.com> wrote: >>>> >>>> Il 07/08/19 01:02, Phil Perry ha scritto: >>>>> On 06/08/2019 14:45, Alessandro Baggi wrote: >>> >>>>> Please post the actual error message in dmesg or /var/log/messages. >>>>> >>>>> It's likely that the kernel is just grumbling that the module is not >>>>> signed (missing key), but it's just noise unless you're using >>>>> SecureBoot. Posting the actual message in full will help determine if >>>>> that is the case. >>>>> >>>>> Thanks >>>>> >>>>> Phil >>>> >>>> Hi, thank you for your reply, >>>> I solve adding in "General Setup" values of current kernel on >>>> localversion option and adding Module.symver from >>>> /boot/symver-version.gz to module directory. >>>> >>>> Now I get another problem compiling the third party module (i2c-nct6775): >>>> >>>> "CONFIG_RETPOLINE=y but not supported by the compiler. Compiler update >>>> recomended. Stop." >>>> >>>> I tried using scl gcc7 and 8 but get the same issue. >>>> >>>> I checked that retpoline is related to Spectre but checking on centos with: >>>> >>>> cat /sys/devices/system/cpu/vulnerabilities/spectre_v2 >>>> >>>> I get: >>>> >>>> Mitigation: IBRS (kernel), IBPB >>>> >>>> and RETPOLINE seems disabled (I'm wrong?). >>>> >>>> I ridden in a blog post that I can disable this check commenting out >>>> some lines starting from N. 166 of arch/Makefile but I don't think this >>>> is the best approach. >>>> >>>> At this point I can't understand what means the previous error and why I >>>> get this error when compiling i2c-nct6775. >>>> >>>> Can someone point me in the right direction? >>> >>> Please post the output from: >>> >>> rpm -qa kernel\* | sort >>> >>> and >>> >>> uname -r >>> >>> Akemi >> >> kernel-3.10.0-957.12.1.el7.x86_64 >> kernel-3.10.0-957.12.2.el7.x86_64 >> kernel-3.10.0-957.21.3.el7.x86_64 >> kernel-3.10.0-957.27.2.el7.x86_64 >> kernel-3.10.0-957.el7.x86_64 >> kernel-devel-3.10.0-957.21.3.el7.x86_64 >> kernel-devel-3.10.0-957.27.2.el7.x86_64 >> kernel-headers-3.10.0-957.27.2.el7.x86_64 >> kernel-ml-5.1.0-1.el7.elrepo.x86_64 >> kernel-ml-devel-5.1.0-1.el7.elrepo.x86_64 >> kernel-tools-3.10.0-957.27.2.el7.x86_64 >> kernel-tools-libs-3.10.0-957.27.2.el7.x86_64 >> kernel-tools-libs-devel-3.10.0-957.27.2.el7.x86_64 >> >> >> 3.10.0-957.27.2.el7.x86_64 > > So, you tried to build the i2c-nct6775 module against > kernel-3.10.0-957.27.2.el7 under the running kernel 3.10.0-957.27.2 > and you have a matching version of kernel-devel. Then I don't quite > understand why you get the "not supported by the compiler" error... > > Akemi > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > I noticed also that if I run make modules, the module is compiled but if I try to build it standalone I got this error. Thank you for your time.