> Il 06/04/20 11:54, Georgios ha scritto: >> Hi there! >> I had a similar problem recently with grub. No idea why it doesnt work. >> Try using grubby instead of grub2-mkconfig if you want the system to >> keep your kernel parameters between boots. >> >> Something like: >> >> sudo grubby --args="i915.modeset=0 rd.driver.blacklist=i915" --update- >> kernel=ALL >> >> >> Hope it helps! >> Have a nice day! >> >> >> On Mon, 2020-04-06 at 11:42 +0200, Alessandro Baggi wrote: >>> Hi list, >>> >>> I reinstalled on my workstation CentOS 8.1. >>> >>> I explain: I'm a KDE user but packages shipped from EPEL currently >>> are >>> buggy so I prefer a stable and functioning system to work with. So I >>> tried to remove KDE workgroup and installed group "Workstation" but >>> the >>> system bricked so I reinstalled with GNOME. >>> >>> I've an nvidia gtx 1050ti GPU so I installed kmod-driver from >>> rpmfusion. >>> After the installation of Nvidia driver, I rebooted, gdm start and >>> after >>> I perform the login the system freeze. So this problem happened to >>> me >>> with C7.5 and nvidia driver. In my case I need to blacklist i915 >>> module >>> and system works. >>> >>> Also in this case I tried to boot centos changing grub kernel >>> parameters >>> pressing 'e' in the grub menu and adding "i915.modeset=0 >>> rd.driver.blacklist=i915", booted and system works. >>> >>> So I tried to make this permanent updating grub configuration adding >>> the >>> previous directives (and removed rhgb and quiet) to >>> /etc/default/grub >>> and run grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg. >>> >>> Reboot the system and checked again kernel parameters on grub menu >>> and >>> seen that nothing changed. Booted and freezed. >>> >>> I checked /boot/efi/EFI/centos/grub.cfg and kernelops has the new >>> directives. >>> >>> Seems that grub configuration does not take effect. >>> >>> I made another test inside a VM installed with minimal selection and >>> remove rhgb and quiet parameters and worked fine. The vm is BIOS and >>> my >>> workstation UEFI. >>> >>> How I can solve this problem? Currently to boot my system I need >>> always >>> to add this params. >>> >>> Thank you in advance >>> >>> _______________________________________________ >>> CentOS mailing list >>> CentOS at centos.org >>> https://lists.centos.org/mailman/listinfo/centos >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos > > Hi, > > I tried as suggested, parameters will be updated but I get already > crash. So I tried to remove also rhgb and quiet and works well. > > Would be good to know what is wrong with grub2-mkconfig. > > Where start to investigate? Just to be sure, your subject line says this is on CentOS 8.1, right? Because IIRC grub2-mkconfig was broken in CentOS 7 despite the head of every grub cfg file telling us "It is automatically generated by grub2-mkconfig using templates". Really weird that you see the same with CentOS 8.1. Regards, Simon