[Bug 267606] x11-drivers/xf86-video-nv: Segmentation Fault post update from 1.20.14,1 to 21.1.4

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267606

--- Comment #48 from Sergiy <Black_N@ukr.net> ---
(In reply to Yusuf Khan from comment #44)
OK !!
It will probably be difficult with me... I'm sorry.

I installed FreeBSD 13.2 on another drive (goodbye OpenBSD), updated it,
installed a port tree, compiled xorg-server, xorg, xf86-video-nv with debug
flags:

root@T0sha2_db:/usr/local/libexec # file Xorg 
Xorg: ELF 64-bit LSB executable, x86-64, version 1 (FreeBSD), dynamically
linked 
, interpreter /libexec/ld-elf.so.1, for FreeBSD 13.2, FreeBSD-style, with
debug_ 
info, not stripped  

root@T0sha2_db:/usr/local/lib/xorg/modules/drivers # file vesa_drv.so 
vesa_drv.so: ELF 64-bit LSB shared object, x86-64, version 1 (FreeBSD),
dynamically linked, for FreeBSD 13.2, with debug_info, not stripped 

root@T0sha2_db:/usr/local/lib/xorg/modules/drivers # file nv_drv.so 
nv_drv.so: ELF 64-bit LSB shared object, x86-64, version 1 (FreeBSD),
dynamically linked, for FreeBSD 13.2, with debug_info, not stripped

When using vesa and startx I get a working TWM.

Using the default NV has the same effects as the main drive.
For information, I attach:
 - Xorg.0.log OpenBSD xorg-server 1.21.1.8, NV module version 2.1.22;
 - gdb result (driver xf86-video-nv-2.1.22 unchanged, default).

----

The next step.
I wanted to apply the changes (post 42) to try to get the output from gdb.
But the previous time when I modified the nv_driver.c file directly (adding 22
insertions) I did not pay attention to the contents of the ports tree directory
(this is my fail):
... xf86-video-nv/files/patch-src-nv_driver.c
with a patch file for exactly the same file and which I made changes to.
Sorry for my ignorance and wasting your time, but the build will obviously use
this patch as well.

The first part concerns him
@@ -911,6 +911,8 ...
and apparently the changes (post 42) do not affect it.
But after I changed the file nv_driver.c (post 42)
-1339.6 +1339.27 ...
increasing the number of lines by 21 and the second part of the port tree
patch, which is about changes
@@ -1543,7 +1546,11 ...
will not be used where it is needed.
Maybe I need to change this file
patch-src-nv_driver.c
Namely
@@ -1543,7 +1546,11 ...
on
@@ -1564,7 +1567,11 ...
I hope it works.

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