Opened 12 years ago
Closed 11 years ago
#11878 closed defect (wontfix)
Segmentation Fault at VBoxOGLgen/packspu_beginend.c:24
| Reported by: | Andreas:jh | Owned by: | |
|---|---|---|---|
| Component: | 3D support | Version: | VirtualBox 4.2.12 |
| Keywords: | Cc: | a_lampersperger@… | |
| Guest type: | Linux | Host type: | Windows |
Description
My multithreaded OpenGL-Application runs fine on Linux Guest / Windows host without 3d acceleration. But when I turn on 3d acceleration my application crashes with a segmentation fault in VBoxOGLgen/packspu_beginend.c:24 (value of ctx is NULL).
Attachments (2)
Change History (5)
by , 12 years ago
comment:1 by , 12 years ago
From a backtrace it looks like your app has forgotten to do MakeCurrent, which resulted in a crash. Could you verify that, and if it's not the case, please post hare a [link to] a test application exposing this behavior so that we could reproduce and fix it here?
follow-up: 3 comment:2 by , 12 years ago
Yes, you are right, that was the problem: No proper init of the graphic context in my application. Thank you. But I wonder why this applications runs fine on nativ linux (with 3d acceleration) and in vbox without 3d acceleration.
comment:3 by , 11 years ago
| Resolution: | → wontfix |
|---|---|
| Status: | new → closed |
Replying to Andreas:jh:
Yes, you are right, that was the problem: No proper init of the graphic context in my application. Thank you. But I wonder why this applications runs fine on nativ linux (with 3d acceleration) and in vbox without 3d acceleration.
This depends on OpenGL driver impl I would say. I saw such crashes (i.e.in case current context is not set) on native hosts as well, so I would not count it as our bug.
I will close this record.
Log-File of vbox