.
Thread 6 (LWP 2730):
#0  0xb7781424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb70dbd1b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
No locals.
#2  0xb74f4ecc in __pthread_cond_wait (cond=0x870bcf4, mutex=0x870bcdc) at forward.c:149
        __p = <optimized out>
#3  0xb4ceb9b4 in build_mask_linear (dcdy=<optimized out>, dcdx=-5256405068066896920, c=<optimized out>) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri.c:78
        mask = <error reading variable mask (Incompatible types on DWARF stack)>
        c1 = -5256087793234345984
        c3 = 0
        c0 = <optimized out>
        c2 = <optimized out>
#4  build_masks (partmask=<synthetic pointer>, outmask=<synthetic pointer>, dcdy=<optimized out>, dcdx=-5256405068066896920, cdiff=<optimized out>, c=<optimized out>) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri.c:105
No locals.
#5  do_block_16_32_8 (c=0x0, y=0, x=0, plane=0x0, tri=0x0, task=0x0) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:88
        dcdy = <optimized out>
        ei = <optimized out>
        cio = <optimized out>
        dcdx = <optimized out>
        cox = <optimized out>
        partial_mask = <optimized out>
        outmask = 0
        inmask = <optimized out>
        partmask = 0
        j = <optimized out>
#6  lp_rast_triangle_32_8 (task=0x0, arg=...) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:232
        i = <optimized out>
        iy = 0
        px = 0
        ix = 0
        py = 0
        cx = {0, 0, 0, 0, 0, 0, 0, 0}
        tri = 0x0
        plane_mask = <optimized out>
        tri_plane = <optimized out>
        x = 0
        y = 0
        plane = {{c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}}
        c = {0, 0, 0, -5256405964411633664, 17186466253766656, -5238111336465956864, 2991541056, 0}
        outmask = <optimized out>
        inmask = 0
        partmask = <optimized out>
        partial_mask = 0
        j = <optimized out>
        __PRETTY_FUNCTION__ = "lp_rast_triangle_32_8"
#7  0x00000000 in ?? ()
No symbol table info available.
.
Thread 5 (LWP 2729):
#0  0xb7781424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb70dbd1b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
No locals.
#2  0xb74f4ecc in __pthread_cond_wait (cond=0x870bc00, mutex=0x870bbe8) at forward.c:149
        __p = <optimized out>
#3  0xb4ceb9b4 in build_mask_linear (dcdy=<optimized out>, dcdx=-5256405068058504216, c=<optimized out>) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri.c:78
        mask = <error reading variable mask (Incompatible types on DWARF stack)>
        c1 = -5256087793234345984
        c3 = 0
        c0 = <optimized out>
        c2 = <optimized out>
#4  build_masks (partmask=<synthetic pointer>, outmask=<synthetic pointer>, dcdy=<optimized out>, dcdx=-5256405068058504216, cdiff=<optimized out>, c=<optimized out>) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri.c:105
No locals.
#5  do_block_16_32_8 (c=0x0, y=0, x=0, plane=0x0, tri=0x0, task=0x0) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:88
        dcdy = <optimized out>
        ei = <optimized out>
        cio = <optimized out>
        dcdx = <optimized out>
        cox = <optimized out>
        partial_mask = <optimized out>
        outmask = 0
        inmask = <optimized out>
        partmask = 0
        j = <optimized out>
#6  lp_rast_triangle_32_8 (task=0x0, arg=...) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:232
        i = <optimized out>
        iy = 0
        px = 0
        ix = 0
        py = 0
        cx = {0, 0, 0, 0, 0, 0, 0, 0}
        tri = 0x0
        plane_mask = <optimized out>
        tri_plane = <optimized out>
        x = 0
        y = 0
        plane = {{c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}, {c = 0, dcdx = 0, dcdy = 0, eo = 0}}
        c = {0, 0, 0, -5256405964411633664, 17186466253766656, -5238111336465956864, 2999933760, 0}
        outmask = <optimized out>
        inmask = 0
        partmask = <optimized out>
        partial_mask = 0
        j = <optimized out>
        __PRETTY_FUNCTION__ = "lp_rast_triangle_32_8"
#7  0x00000000 in ?? ()
No symbol table info available.
.
Thread 4 (LWP 2703):
#0  0xb7781424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb74d8e4b in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb714d21b in poll (__timeout=-1, __nfds=1, __fds=0xb5800c68) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=fds@entry=0xb5800c68, nfds=nfds@entry=1, timeout=timeout@entry=-1) at /build/buildd/glib2.0-2.39.90/./glib/gpoll.c:124
No locals.
#4  0xb713e3f8 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xb5800c68, timeout=-1, context=0x86d65d0) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:4006
        poll_func = 0xb714d1f0 <g_poll>
#5  g_main_context_iterate (context=context@entry=0x86d65d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0xb5800c68
#6  0xb713e538 in g_main_context_iteration (context=context@entry=0x86d65d0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3773
        retval = <optimized out>
#7  0xb677c670 in dconf_gdbus_worker_thread (user_data=0x86d65d0) at dconf-gdbus-thread.c:82
        context = 0x86d65d0
#8  0xb71649da in g_thread_proxy (data=0x86a3f80) at /build/buildd/glib2.0-2.39.90/./glib/gthread.c:764
        thread = 0x86a3f80
#9  0xb70d7f70 in start_thread (arg=0xb6176b40) at pthread_create.c:312
        __res = <optimized out>
        pd = 0xb6176b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1223778304, -1239979200, 4001536, -1239981080, -1700464116, -1365449714}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb74e7d7e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129
No locals.
.
Thread 3 (LWP 2696):
#0  0xb7781424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb74d8e4b in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb714d21b in poll (__timeout=3997, __nfds=2, __fds=0xb6600488) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=fds@entry=0xb6600488, nfds=nfds@entry=2, timeout=timeout@entry=3997) at /build/buildd/glib2.0-2.39.90/./glib/gpoll.c:124
No locals.
#4  0xb713e3f8 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0xb6600488, timeout=3997, context=0x86a3d00) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:4006
        poll_func = 0xb714d1f0 <g_poll>
#5  g_main_context_iterate (context=context@entry=0x86a3d00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = 3997
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = <optimized out>
        fds = 0xb6600488
#6  0xb713e538 in g_main_context_iteration (context=0x86a3d00, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3773
        retval = <optimized out>
#7  0xb713e58e in glib_worker_main (data=0x0) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:5519
No locals.
#8  0xb71649da in g_thread_proxy (data=0x86a3e00) at /build/buildd/glib2.0-2.39.90/./glib/gthread.c:764
        thread = 0x86a3e00
#9  0xb70d7f70 in start_thread (arg=0xb6f9bb40) at pthread_create.c:312
        __res = <optimized out>
        pd = 0xb6f9bb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1223778304, -1225147584, 4001536, -1225149464, 1191508493, -1365449714}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb74e7d7e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129
No locals.
.
Thread 2 (LWP 2704):
#0  0xb7781424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb74d8e4b in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb714d21b in poll (__timeout=-1, __nfds=11, __fds=0xb4e58fa8) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=fds@entry=0xb4e58fa8, nfds=nfds@entry=11, timeout=timeout@entry=-1) at /build/buildd/glib2.0-2.39.90/./glib/gpoll.c:124
No locals.
#4  0xb713e3f8 in g_main_context_poll (priority=2147483647, n_fds=11, fds=0xb4e58fa8, timeout=-1, context=0xb580b780) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:4006
        poll_func = 0xb714d1f0 <g_poll>
#5  g_main_context_iterate (context=0xb580b780, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 11
        allocated_nfds = <optimized out>
        fds = 0xb4e58fa8
#6  0xb713e77b in g_main_loop_run (loop=0xb580b748) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3906
        __FUNCTION__ = "g_main_loop_run"
#7  0xb62d227a in gdbus_shared_thread_func (user_data=0xb580b768) at /build/buildd/glib2.0-2.39.90/./gio/gdbusprivate.c:273
        data = 0xb580b768
#8  0xb71649da in g_thread_proxy (data=0x86a4580) at /build/buildd/glib2.0-2.39.90/./glib/gthread.c:764
        thread = 0x86a4580
#9  0xb70d7f70 in start_thread (arg=0xb57ffb40) at pthread_create.c:312
        __res = <optimized out>
        pd = 0xb57ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1223778304, -1249903808, 4001536, -1249905688, 1267005962, -1365449714}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb74e7d7e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129
No locals.
.
Thread 1 (LWP 2686):
#0  __memmove_ssse3 () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3.S:147
No locals.
#1  0xb4cb9080 in img_filter_2d_ewa (mag_filter=0x20d7, rgba=0xb593df2b <TfpTexture::bindPixmapToTexture(unsigned long, int, int, int, compiz::opengl::_PixmapSource)+11>, dvdy=<optimized out>, dudy=<optimized out>, dvdx=<optimized out>, dudx=<optimized out>, level=0, p=0x20dc, t=0x20d6, s=0x0, min_filter=0x20da, sp_samp=0x20d5, sp_sview=0xffffffff) at ../../../../../../src/gallium/drivers/softpipe/sp_tex_sample.c:2073
        A = <optimized out>
        rgba_temp = {{1.50923365e-32, -1.95728731, 0, 0}, {0, -4.68996404e-07, 4.97881344e-42, 0}, {-1.95728874, 0, 0, -1.30198896e-05}, {1.17877227e-41, 1.64576328e-37, 7.05134613e-34, -1.23570389e-05}}
        den = <optimized out>
        B = 1.64576317e-37
        t_buffer = {1.50923365e-32, 1.821688e-44, -3.4142775e-07, -1.11013651e-06}
        scaling = <optimized out>
        C = 1.64576328e-37
        ddq = 1.98754701e-32
        width = -1074100500
        height = 65
        d = <optimized out>
        j = 0
        formScale = <error reading variable formScale (Invalid floating value found in program.)>
        texture = 0xde1
        level0 = 0
        box_u = <error reading variable box_u (Invalid floating value found in program.)>
        s_buffer = {-1.11013651e-06, 1.50923365e-32, -1.95731401, -1.10151223e-06}
        weight_buffer = {1.50923365e-32, -1.95731401, -1.95729923, -1.10182134e-06}
        U = <optimized out>
        F = <optimized out>
        box_v = <optimized out>
        buffer_next = <optimized out>
        v = <optimized out>
#2  mip_filter_linear_aniso (sp_sview=0x0, sp_samp=0x20d5, min_filter=0x20da, mag_filter=0x20d7, s=0x0, t=0x20d6, p=0x20dc, c0=0x0, lod_in=0xa9cb818, control=tgsi_sampler_lod_none, rgba=0xb593df2b <TfpTexture::bindPixmapToTexture(unsigned long, int, int, int, compiz::opengl::_PixmapSource)+11>) at ../../../../../../src/gallium/drivers/softpipe/sp_tex_sample.c:2310
        texture = 0xde1
        level0 = 0
        lambda = <optimized out>
        lod = {-5.34956435e-09, 5.60519386e-45, 7.25154751e-34, 3.08285662e-44}
        dudx = <optimized out>
        dudy = <optimized out>
        dvdx = <optimized out>
        dvdy = <optimized out>
#3  0x00000000 in ?? ()
No symbol table info available.