On 04/03/18 09:21, Eyal Lebedinsky wrote:
> I recently replaced my graphics card (with NVIDIA GT 710).
> A newer nvidia module was installed
>     kmod-nvidia-340xx-4.15.7-200 -> kmod-nvidia-390.42-1
> I also enabled VDPAU which was incorrectly installed until now.

I don't know what you mean by that.  I thought the nVidia drivers had VDPAU 
enabled
by default.

What do you get as the output of vpauinfo?  You may have to install it.


>
> I now have a failure of 'gthumb':
>
> $ gthumb -v
>
> (gthumb:7097): Gdk-ERROR **: The program 'gthumb' received an X Window System 
> error.
> This probably reflects a bug in the program.
> The error was 'BadLength (poly request too large or internal Xlib length 
> erro'.
>   (Details: serial 159 error_code 16 request_code 152 (DRI2) minor_code 1)
>   (Note to programmers: normally, X errors are reported asynchronously;
>    that is, you will receive the error a while after causing it.
>    To debug your program, run it with the GDK_SYNCHRONIZE environment
>    variable to change this behavior. You can then get a meaningful
>    backtrace from your debugger if you break on the gdk_x_error() function.)
> Trace/breakpoint trap (core dumped)
>
> and /var/log/messages includes a trace:

<snip>

> I see that the gthumb package was updated in 2017, dnf.log says:
>     Aug 19 18:09:33 DEBUG ---> Package gthumb.x86_64 1:3.4.3-1.fc24 will be 
> upgraded
>     Aug 19 18:09:33 DEBUG ---> Package gthumb.x86_64 1:3.4.5-1.fc26 will be 
> an upgrade
> The update was part of a f24->f26 upgrade. There is no later version of 
> gthumb but
> I do see
> version 3.6.0 in f27.
>
> I also see that this gthumb version is one year old:
>     $ ls -l /usr/bin/gthumb
>     -rwxr-xr-x 1 root root 988384 Apr 20  2017 /usr/bin/gthumb
>
> The gthumb package depends on the libvdpau package so I suspect some 
> incompatibility.
> Reinstalling both packages does not improve the situation.
>
> Is gthumb still maintained? https://github.com/GNOME/gthumb suggests perusing
> https://wiki.gnome.org/Apps/gthumb which is not present.
>
> Still, too many packages are involved, not the least X/nvidia ones.
>
> Is anyone else seeing this problem? I do not want to log a bug if this is the 
> result
> of my system long update history, but I do want to resolve this.
>
> I have another f26 machine that has no problems but does not use vdpau (or 
> nvidia
> card).
>
>

I am running F27 with the nvidia-390.42-1 drivers installed and a GeForce GTX 
660 card.

[egreshko@meimei ~]$ gthumb -v
gthumb 3.6.0, Copyright © 2001-2010 Free Software Foundation, Inc.


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.

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