LGD 2.2 segmentation fault

Development Tools Other Tools Linux Graphics Debugger
#1

As I am also experiencing the Qt xcb problem described here I am trying to start my application using LD_PRELOAD:

LD_PRELOAD=~/.tgd/libs/libNvidia_gfx_debugger.so ./myApplication

However this results in a segfault and the following backtrace:

#3 0x00007faee4bad200 in () at /lib64/libc.so.6
#4 0x00007faee5c68144 in () at /usr/X11R6/lib64/libGL.so.1
#5 0x00007faeec30ddd5 in () at /home/esger/.tgd/libs/libNvidia_gfx_debugger.so
#6 0x00007faeeb927167 in () at /home/esger/.tgd/libs/libNvidia_gfx_debugger.so
#7 0x00007faeeb802557 in () at /home/esger/.tgd/libs/libNvidia_gfx_debugger.so
#8 0x00007faeebb3ee49 in () at /home/esger/.tgd/libs/libNvidia_gfx_debugger.so
#9 0x00007faeea8528e6 in GLTexture::create(Image&, int, int) (this=0x24139a0, image=
…, flags=1056992, skip_mipmaps=0)

I don’t think my application (using Unigine engine) is doing anything illegal. Without LGD the application runs fine without any problems.

#2

Hi esger.abbink,

Could you please provide more information?

  • Linux distribution, version
  • GPU
  • Driver version
  • Shell type
  • LGD mode (x86 or x64)
  • your application’s bitness
  • your application’s Qt version

Thanks.

#3

of course, apologies for not including it right away:

distribution: openSuSe Leap 42.1
gpu: 1060 mobile (MSI GS63VR)
driver version: 367.57
shell: bash
LGD mode: x64
application: x64
application Qt: 5.5 (some packages 5.5.0, some 5.5.1)

#4

Hi,
Thanks for the info and sorry for late reply.
Is it possible for you to provide a sample for us to reproduce this issue?

#5

Hi,

do you mean a small source sample, or a binary one? A source sample would probably be difficult as the crash occurs in (3rd party) engine code.

#6

Hi,
Any sample that can reproduce this issue will do.
If you don’t want to post your sample here in public, we can message you a private ftp to upload your application.
Thanks.