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@xxxxxxxxxx>:
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>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
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