[Bug 204225] x11-servers/xorg-server crashes with segfault when creating new window

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Nov 2 14:07:08 UTC 2015


            Bug ID: 204225
           Summary: x11-servers/xorg-server crashes with segfault when
                    creating new window
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11 at FreeBSD.org
          Reporter: pch-freebsd-bugs at u-1.phicoh.com
             Flags: maintainer-feedback?(x11 at FreeBSD.org)
          Assignee: x11 at FreeBSD.org

Created attachment 162707
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=162707&action=edit
X server log file

After creating an X session with a few xterms, firefox, vtwm, pidgin, creating
a new window will often crash the X server. This never happened in the previous

Hardware is a thinkpad x201 with integrated intel video card.

Stack trace from gdb:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 803406400 (LWP 100067/Xorg)]
0x00000008012b1935 in _pixman_internal_only_get_implementation ()
   from /usr/local/lib/libpixman-1.so.0
(gdb) where
#0  0x00000008012b1935 in _pixman_internal_only_get_implementation ()
   from /usr/local/lib/libpixman-1.so.0
#1  0x000000080128f397 in pixman_image_get_format ()
   from /usr/local/lib/libpixman-1.so.0
#2  0x00000008012472c6 in pixman_blt () from /usr/local/lib/libpixman-1.so.0
#3  0x0000000805c606b8 in fbCopyNtoN ()
   from /usr/local/lib/xorg/modules/libfb.so
#4  0x000000000057dc5f in miCopyRegion ()
#5  0x000000000057dfea in miDoCopy ()
#6  0x0000000805c61294 in fbCopyArea ()
   from /usr/local/lib/xorg/modules/libfb.so
#7  0x00000008058011b6 in ?? ()
   from /usr/local/lib/xorg/modules/drivers/intel_drv.so
#8  0x000000000051fe8e in DamageReportDamage ()
#9  0x00000000004ccaa9 in CompositeRegisterImplicitRedirectionException ()
#10 0x00000000004cc899 in CompositeRegisterImplicitRedirectionException ()
#11 0x00000000004ca1a6 in CompositeRegisterImplicitRedirectionException ()
#12 0x0000000000467b05 in MapWindow ()
#13 0x000000000043522b in ProcBadRequest ()
#14 0x00000000004345e4 in UpdateCurrentTimeIf ()
#15 0x000000000043de97 in remove_fs_handlers ()
#16 0x000000000042919f in _start ()
---Type <return> to continue, or q <return> to quit---
#17 0x000000080081d000 in ?? ()
#18 0x0000000000000000 in ?? ()

I attached the X server log.

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