I'm not so sure that this crash is due to the dock. @fabounet and Mesa devs: any idea?
#3 0x00007fcb610bd5e6 in malloc_printerr (ptr=<optimized out>, str=0x7fcb611bfd48 "free(): invalid next size (fast)", action=1) at malloc.c:4996 buf = "0000000002a15c60" cp = <optimized out> #4 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840 size = <optimized out> fb = <optimized out> nextchunk = <optimized out> nextsize = <optimized out> nextinuse = <optimized out> prevsize = <optimized out> bck = <optimized out> fwd = <optimized out> errstr = <optimized out> locked = <optimized out> #5 0x00007fcb51a4ac0c in _math_matrix_dtr (m=0x3367cd8) at ../../../../src/mesa/math/m_matrix.c:1495 No locals. #6 0x00007fcb519deb2e in free_matrix_stack (stack=stack@entry=0x2f03b30) at ../../../../src/mesa/main/matrix.c:669 i = 7 #7 0x00007fcb519df6ac in _mesa_free_matrix_data (ctx=ctx@entry=0x2f02ef8) at ../../../../src/mesa/main/matrix.c:728 No locals. #8 0x00007fcb5198f840 in _mesa_free_context_data (ctx=ctx@entry=0x2f02ef8) at ../../../../src/mesa/main/context.c:1230 No locals. #9 0x00007fcb51c06e86 in intelDestroyContext (driContextPriv=0x27b26a0) at ../../../../../../../src/mesa/drivers/dri/i965/brw_context.c:841 brw = 0x2f02ef8 ctx = 0x2f02ef8 #10 0x00007fcb51ba8163 in driDestroyContext (pcp=0x27b26a0) at ../../../../../../../src/mesa/drivers/dri/common/dri_util.c:487 No locals. #11 0x00007fcb5c3b2c1f in dri2_destroy_context (context=0x242a400) at ../../../../src/glx/dri2_glx.c:129 pcp = 0x242a400 psc = 0x201bdf0 #12 0x00007fcb5c38bc09 in glXDestroyContext (dpy=0x1fb3510, ctx=0x242a400) at ../../../../src/glx/glxcmds.c:473 ctx = 0x242a400 dpy = 0x1fb3510 gc = 0x242a400 #13 0x00007fcb61436529 in reset_object (obj=0x2a9b1f0) at /build/buildd/cairo-dock-3.3.99.beta1.2.really.3.3.2/src/gldit/cairo-dock-container.c:611 pContainer = 0x2a9b1f0 #14 0x00007fcb6142569f in gldi_object_unref (pObject=0x2a9b1f0) at /build/buildd/cairo-dock-3.3.99.beta1.2.really.3.3.2/src/gldit/cairo-dock-object.c:85 pMgr = 0x632640 <myContainerObjectMgr> pNotificationsTab = <optimized out> i = <optimized out> #15 0x00007fcb61443913 in _free_one_dock (cDockName=<optimized out>, pDock=0x2a9b1f0, data=<optimized out>) at /build/buildd/cairo-dock-3.3.99.beta1.2.really.3.3.2/src/gldit/cairo-dock-dock-manager.c:122 No locals. ** Also affects: mesa (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1357631 Title: cairo-dock assert failure: *** Error in `cairo-dock': free(): invalid next size (fast): 0x0000000002a15c60 *** Status in “cairo-dock” package in Ubuntu: New Status in “mesa” package in Ubuntu: New Bug description: crashed after first run. ProblemType: Crash DistroRelease: Ubuntu 14.10 Package: cairo-dock-core 3.3.99.beta1.2.really.3.3.2-0ubuntu5 ProcVersionSignature: Ubuntu 3.16.0-8.13-generic 3.16.0 Uname: Linux 3.16.0-8-generic x86_64 ApportVersion: 2.14.5-0ubuntu4 Architecture: amd64 AssertionMessage: *** Error in `cairo-dock': free(): invalid next size (fast): 0x0000000002a15c60 *** CurrentDesktop: XFCE Date: Fri Aug 15 22:39:55 2014 ExecutablePath: /usr/bin/cairo-dock InstallationDate: Installed on 2014-08-16 (0 days ago) InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140815) ProcCmdline: cairo-dock ProcEnviron: LANGUAGE=en_US PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash Signal: 6 SourcePackage: cairo-dock StacktraceTop: __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7fcb611bfba8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 malloc_printerr (ptr=<optimized out>, str=0x7fcb611bfd48 "free(): invalid next size (fast)", action=1) at malloc.c:4996 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840 ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so Title: cairo-dock assert failure: *** Error in `cairo-dock': free(): invalid next size (fast): 0x0000000002a15c60 *** UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cairo-dock/+bug/1357631/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp