I changed a BIOS setting for the grafic device from nvidia optimus to integrated. Now it works. Thanks! Am 2. September 2015 08:03:09 MESZ, schrieb Fabian Arrotin <arrfab at centos.org>: >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA1 > >On 02/09/15 00:21, Tim wrote: >> I did a fresh installation of centos7 on a Lenovo T420s. But after >> rebooting the machine after the installation process finished I get >> messages of CPU got stuck for 22sec. This happens after logging in >> at gdm. I can't do anything - the machine hangs completely. >> Switching to tty only works before logging in at gdm. >> >> I really don't have an idea. >> >> My other T420 (without "s") works fine. >> >> Any help is appreciated. >> >> Thanks in advance Tim > >Which Video card do you have in the t420s ? my t430s has an Intel one >(00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core >processor Graphics Controller (rev 09) ) and it works fine, but I had >the same issue on my kid's workstation, using onboard Nvidia chipset. >The issue appeared only after the 7.0.1406 -> 7.1.1503 update. What I >did was just install cinnamon and now my kid uses it when logging >through gdm. >I've never had time to investigate the gnome3/gnome-shell issue, but >wondering if there was a mismatch between hardware and software >rendering. >Can you try to just install CentOS 7.0.1406 (LiveCD would be enough to >test) and see if that works ? That will not fix the issue for a yum >update though, but at least that would give directions. > >- -- >Fabian Arrotin >The CentOS Project | http://www.centos.org >gpg key: 56BEC54E | twitter: @arrfab >-----BEGIN PGP SIGNATURE----- >Version: GnuPG v2.0.22 (GNU/Linux) > >iEYEARECAAYFAlXmkR0ACgkQnVkHo1a+xU6ibgCghtwPTPPYxu1jmMjciXisteZk >+S8AnA2CkHtCniLjYlAEvqFkizYZrfh0 >=IMfj >-----END PGP SIGNATURE----- >_______________________________________________ >CentOS mailing list >CentOS at centos.org >https://lists.centos.org/mailman/listinfo/centos