Public bug reported:
The following program produces 55 errors with valgrind:
int
main()
{
Display* display = XOpenDisplay(0);
int major;
int minor;
glXQueryVersion(display, &major, &minor);
XCloseDisplay(display);
}
51 instances in drm_intel_bufmgr_gem_init: Conditional jump or move depends on
uninitialised value(s)
2 instances in drm_intel_bufmgr_gem_init: Syscall param ioctl(generic) points
to uninitialised byte(s)
2 instances in fun:drmCommandWriteRead: Syscall param ioctl(generic) points to
uninitialised byte(s)
The corresponding suppression entries are:
{
OpenGL-bad-ioctl
Memcheck:Param
ioctl(generic)
fun:ioctl
fun:drmIoctl
fun:drm_intel_bufmgr_gem_init
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2
obj:/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2
}
{
OpenGL-bad-ioctl-2
Memcheck:Param
ioctl(generic)
fun:ioctl
fun:drmIoctl
fun:drmCommandWriteRead
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2
obj:/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2
}
{
OpenGL-uninitialized-jump
Memcheck:Cond
fun:drm_intel_bufmgr_gem_init
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so
obj:/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2
obj:/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2
}
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
--
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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1055272
Title:
valgrind
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