Assertion fail question

[Marcin Zalewski]

I just got a stack trace on this assertion fail (below), and it seem that
second assertion is triggered in error processing.

#0  0x00007fffbf9ff3f8 in pthread_once () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffbf73e074 in backtrace () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fff7a99b0f0 in ipath_sighdlr (sig=<optimized out>, p1=<optimized
out>, ucv=0x7fff78558380) at ipath_debug.c:116
#3  <signal handler called>
#4  0x00007fffbf6690d5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007fffbf66c83b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007fffbfc4d9ec in je_tcache_event (tcache=0x7fffbe81a000) at
include/jemalloc/internal/tcache.h:212
#7  0x00007fffbfc4dd03 in je_tcache_alloc_small (tcache=0x7fffbe81a000,
size=36, zero=false) at include/jemalloc/internal/tcache.h:273
#8  0x00007fffbfc1c7ad in je_arena_malloc (tsd=0x7fffc17e5708, arena=0x0,
size=36, zero=false, try_tcache=true) at
include/jemalloc/internal/arena.h:931
#9  0x00007fffbfc1378c in je_imalloct (tsd=0x7fffc17e5708, size=36,
try_tcache=true, arena=0x0) at
include/jemalloc/internal/jemalloc_internal.h:816
#10 0x00007fffbfc137da in je_imalloc (tsd=0x7fffc17e5708, size=36) at
include/jemalloc/internal/jemalloc_internal.h:825
#11 0x00007fffbfc172a8 in imalloc_body (size=36, tsd=0x7fff78558bc0,
usize=0x7fff78558bb8) at src/jemalloc.c:1331
#12 0x00007fffbfc172e4 in malloc (size=36) at src/jemalloc.c:1344
#13 0x00007fffc15e294e in ?? () from /lib64/ld-linux-x86-64.so.2
#14 0x00007fffc15ed84b in ?? () from /lib64/ld-linux-x86-64.so.2
#15 0x00007fffc15e9176 in ?? () from /lib64/ld-linux-x86-64.so.2
#16 0x00007fffc15ed31a in ?? () from /lib64/ld-linux-x86-64.so.2
#17 0x00007fffbf763c62 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#18 0x00007fffc15e9176 in ?? () from /lib64/ld-linux-x86-64.so.2
#19 0x00007fffbf763d24 in __libc_dlopen_mode () from
/lib/x86_64-linux-gnu/libc.so.6
#20 0x00007fffbf73df55 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x00007fffbf9ff400 in pthread_once () from
/lib/x86_64-linux-gnu/libpthread.so.0
#22 0x00007fffbf73e074 in backtrace () from /lib/x86_64-linux-gnu/libc.so.6
#23 0x00007fff7a99b0f0 in ipath_sighdlr (sig=<optimized out>, p1=<optimized
out>, ucv=0x7fff785594c0) at ipath_debug.c:116
#24 <signal handler called>
#25 0x00007fffbf6690d5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#26 0x00007fffbf66c83b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#27 0x00007fffbfc21acf in arena_run_reg_dalloc (run=0x7fffbe8039e8,
ptr=0x7fffbe8644d0) at src/arena.c:182
#28 0x00007fffbfc2711f in arena_dalloc_bin_locked_impl
(arena=0x7fffbf010140, chunk=0x7fffbe800000, ptr=0x7fffbe8644d0,
bitselm=0x7fffbe800258, junked=true) at src/arena.c:1854
#29 0x00007fffbfc27209 in je_arena_dalloc_bin_junked_locked
(arena=0x7fffbf010140, chunk=0x7fffbe800000, ptr=0x7fffbe8644d0,
bitselm=0x7fffbe800258) at src/arena.c:1872
#30 0x00007fffbfc4e842 in je_tcache_bin_flush_small (tbin=0x7fffbe81a0c8,
binind=5, rem=0, tcache=0x7fffbe81a000) at src/tcache.c:120
#31 0x00007fffbfc4e40c in je_tcache_event_hard (tcache=0x7fffbe81a000) at
src/tcache.c:36
#32 0x00007fffbfc4da0f in je_tcache_event (tcache=0x7fffbe81a000) at
include/jemalloc/internal/tcache.h:214
#33 0x00007fffbfc4dd03 in je_tcache_alloc_small (tcache=0x7fffbe81a000,
size=24, zero=false) at include/jemalloc/internal/tcache.h:273
#34 0x00007fffbfc1c7ad in je_arena_malloc (tsd=0x7fffc17e5708, arena=0x0,
size=24, zero=false, try_tcache=true) at
include/jemalloc/internal/arena.h:931
#35 0x00007fffbfc1378c in je_imalloct (tsd=0x7fffc17e5708, size=24,
try_tcache=true, arena=0x0) at
include/jemalloc/internal/jemalloc_internal.h:816
#36 0x00007fffbfc137da in je_imalloc (tsd=0x7fffc17e5708, size=24) at
include/jemalloc/internal/jemalloc_internal.h:825
#37 0x00007fffbfc172a8 in imalloc_body (size=24, tsd=0x7fff78559ef0,
usize=0x7fff78559ee8) at src/jemalloc.c:1331
#38 0x00007fffbfc172e4 in malloc (size=24) at src/jemalloc.c:1344
#39 0x00000000004082be in sssp_queue_push (q=0x7fffbe865420,
v=140729942941792, d=5032) at ./include/libpxgl/unlocked_pqueue_wrapper.h:75
#40 0x0000000000408511 in _sssp_dc_process_vertex_action
(distance=0x7ffc848478c0) at src/sssp_dc1.c:74
#41 0x000000000042d751 in _thread_enter (parcel=0x7ffc84847880) at
worker.c:95
#42 0x0000000000000000 in ?? ()

On Thu, Jan 1, 2015 at 1:44 PM, Marcin Zalewski <marcin.zalewski at gmail.com>
wrote:

> I am using the latest jemalloc dev (9c6a8d) compiled only with
> --enable-debug. I am getting the following two assertions fail in my
> program (16 threads):
>
> src/arena.c:182: Failed assertion: "bitmap_get(run->bitmap,
> &bin_info->bitmap_info, regind)"
> include/jemalloc/internal/tcache.h:212: Failed assertion: "tcache->ev_cnt
> <= TCACHE_GC_INCR"
>
> Is there something obvious that I am doing wrong? I would appreciate any
> help.
>
> Thank you,
> Marcin
>
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