On 06/08/2019 14:45, Alessandro Baggi wrote: > Il 05/08/19 20:07, Akemi Yagi ha scritto: >> On Mon, Aug 5, 2019 at 9:21 AM Alessandro Baggi >> <alessandro.baggi at gmail.com> wrote: >>> >>> Il 05/08/19 18:07, Akemi Yagi ha scritto: >>>> On Mon, Aug 5, 2019 at 9:01 AM Alessandro Baggi >>>> <alessandro.baggi at gmail.com> wrote: >> >>>> Do you have secureboot enabled? Then yes, that requires a proper key. >>>> >>>> Akemi >>> >>> Yes I have secureboot enabled. If usefull to others in list this could >>> helps: >>> >>> https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Kernel_Administration_Guide/sect-signing-kernel-modules-for-secure-boot.html >>> >>> >>> I think also that centos's wiki must be updated because steps are valid >>> for centos 5 and because key-signing is required for secure boot I think >>> that a proper section must be inserted. >> >> Update not finished yet but the above link has been added near the top >> of the wiki article. >> >> Akemi >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > > Sorry, I was wrong, secureboot is disabled so I don't need to sign new > modules. > > How I can solve my problem? > > Thanks in advance 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