On 08/03/2017 05:22 AM, Richard Shaw wrote:
On Wed, Aug 2, 2017 at 11:59 PM, Sherman Grunewagen <sugarwa...@gmx.com 
<mailto:sugarwa...@gmx.com>> wrote:

    After updating my F25 installation (which included installing 
kernel-10-11-12-200) I can no longer
    boot X (w/ startx).  rpm -qa | fgrep kmod-nvidia-4.11.12  returns

         kmod-nvidia-4.11.12-200.fc25.x86_64-375.66-3.fc25.x86_64

    so the kernel module gets built and installed.  But I see

        Aug  2 21:41:11 pons kernel: nvidia: Unknown symbol mcount (err 0)

    in /var/log/messages which I've not seen before.  I removed the module with 
dnf
    and rebuilt it with akmods (which again produced the "unknown symbol" 
message,
    and X still won't boot.  Is anyone else having this problem?  Suggestions 
for a fix?


Are you using akmods?

Yes.  I followed the rpmfusion framework instructions when I installed F25 and 
all has worked till now.

This typically occurs due to an API change in the kernel happens from time to 
time and it may take nvidia a little while to fix.

Should I expect everyone else using the nvidia / rpmfusion to be having the 
same problem?
If so, I'm surprised to see no complaints other than mine.  I searched the web 
but
there was nothing recent with the "unknown symbol (err 0)" error.

Try booting the previous kernel and see if that works.

It does.  I'm running on it now.
If the API has changed, shouldn't I expect all later kernels (including F26) to 
cause the nvidia driver
to fail to load?  Also, I wonder why it built successfully.  (Not questioning 
you so much as trying
to understand.)

Thanks.
-Sherman
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