On 08/03/2017 08:33 AM, Richard Shaw wrote:
On Thu, Aug 3, 2017 at 10:00 AM, Sherman Grunewagen <sugarwa...@gmx.com
<mailto:sugarwa...@gmx.com>> wrote:
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> <mailto: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.
Well, I mention that because that's the most typical reason the akmod build
fails but it looks like yours succeeded. I doubt this is the reason but a
google search showed the same error when a kernel module was compiled with a
different version of GCC than the kernel itself but that seems unlikely...
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.)
To check to see if it was a transient error, you could try removing the
kmod-nvidia package from /var/cache/akmods/nvidia/ and rerunning akmods.
I was never able to figure out the problem but there was a period where the
akmods run would complete but the installed package wasn't quite right and
rebuilding the kmod fixed it...
Thanks for your continuing help, Richard!
Is what I did at the start (see OP) equivalent? I used dnf to remove
kmod-nvidia and then rebuilt by calling akmods
from the commandline. Anyway I'll try what you suggest and report back in a
sec ... tick, tick.
Ok. Removing the akmod-nvidia with dnf _does_not_ remove the rpm and log in
/var/cache/akmods/nvidia/.
So I did the "dnf erase", removed the entries for the 10.11.12 kernel version
in /var/cache/akmods/nvidia/,
and rebuilt with "akmods". This appears at the bottome of the log after a
"successful" build:
Installing:
kmod-nvidia-4.11.12-200.fc25.x86_64 x86_64 2:375.66-3.fc25 @commandline 6.1 M
Transaction Summary
================================================================================
Install 1 Package
Total size: 6.1 M
Installed size: 18 M
Downloading Packages:
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Installing : kmod-nvidia-4.11.12-200.fc25.x86_64-2:375.66-3.fc25.x86_6 1/1
depmod: WARNING:
/lib/modules/4.11.12-200.fc25.x86_64/extra/nvidia/nvidia-modeset.ko needs
unknown symbol mcount
depmod: WARNING:
/lib/modules/4.11.12-200.fc25.x86_64/extra/nvidia/nvidia-drm.ko needs unknown
symbol mcount
depmod: WARNING:
/lib/modules/4.11.12-200.fc25.x86_64/extra/nvidia/nvidia-uvm.ko needs unknown
symbol mcount
depmod: WARNING: /lib/modules/4.11.12-200.fc25.x86_64/extra/nvidia/nvidia.ko
needs unknown symbol mcount
Verifying : kmod-nvidia-4.11.12-200.fc25.x86_64-2:375.66-3.fc25.x86_6 1/1
Installed:
kmod-nvidia-4.11.12-200.fc25.x86_64.x86_64 2:375.66-3.fc25
Complete!
2017/08/03 09:13:21 akmods: Successful.
---------
And, of course, X won't boot. Looking for errors in the build log, I found
this mystery:
2017/08/03 09:13:14 akmodsbuild: cc1: error: /usr/local/include: Permission
denied
2017/08/03 09:13:14 akmodsbuild: cc1: error: /usr/local/include: Permission
denied
2017/08/03 09:13:14 akmodsbuild: ./scripts/gcc-version.sh: line 31: printf:
#: invalid number
2017/08/03 09:13:14 akmodsbuild: ./scripts/gcc-version.sh: line 31: printf:
#: invalid number
2017/08/03 09:13:14 akmodsbuild: /bin/sh: line 0: [: too many arguments
Except for these lines, this log and those for the other kmod-nvidia builds for
earlier kernels look
virtually identical.
I can't fathom how Permission would be denied. I ran the akmods as root!
-Sherman
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