Hi,
I am receiving a valgrind Internal error upon startup of a multi-threaded
application. It appears to be related to the option track_origins as I was not
seeing the issue without the track_origins option. I am using the following
valgrind options: --trace-children=yes and --track-origins=yes. If you have
any ideas on how I can workaround this issue or fix it, I would appreciate it.
According to valgrind, the 'impossible' happened.
See below for the valgrind output associated with this error.
Thanks,
John Knight
john.kni...@belkin.com
Here is the valgrind output showing the internal error:
==24393== Memcheck, a memory error detector
==24393== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==24393== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==24393== Command: /bin/touch /var/tmp/tr069paready
==24393==
--24393:0: aspacem <<< SHOW_SEGMENTS: out_of_memory (36 segments)
--24393:0: aspacem 4 segment names in 4 slots
--24393:0: aspacem freelist is empty
--24393:0: aspacem (0,4,5) /lib/valgrind/memcheck-arm-linux
--24393:0: aspacem (1,41,3) /bin/busybox
--24393:0: aspacem (2,58,3) /lib/ld-uClibc-1.0.14.so
--24393:0: aspacem (3,87,1) /tmp/vgdb-pipe-shared-mem-vgdb-24393-by-root-on-???
--24393:0: aspacem 0: RSVN 0000000000-000000ffff 65536 ----- SmFixed
--24393:0: aspacem 1: file 0000010000-00000a5fff 614400 r-x-- d=0x00b i=2042
o=0 (1,41)
--24393:0: aspacem 2: RSVN 00000a6000-00000b5fff 65536 ----- SmFixed
--24393:0: aspacem 3: file 00000b6000-00000b6fff 4096 rw--- d=0x00b i=2042
o=614400 (1,41)
--24393:0: aspacem 4: anon 00000b7000-00000b7fff 4096 rw---
--24393:0: aspacem 5: RSVN 00000b8000-0003ffffff 63m ----- SmFixed
--24393:0: aspacem 6: file 0004000000-0004005fff 24576 r-xT- d=0x00b i=942
o=0 (2,58)
--24393:0: aspacem 7: 0004006000-0004015fff 65536
--24393:0: aspacem 8: file 0004016000-0004017fff 8192 rw--- d=0x00b i=942
o=24576 (2,58)
--24393:0: aspacem 9: anon 0004018000-0004018fff 4096 rwx--
--24393:0: aspacem 10: RSVN 0004019000-0004817fff 8384512 ----- SmLower
--24393:0: aspacem 11: 0004818000-0057ffffff 1335m
--24393:0: aspacem 12: FILE 0058000000-005809afff 634880 r-x-- d=0x00b i=1150
o=0 (0,4)
--24393:0: aspacem 13: file 005809b000-005809cfff 8192 r-x-- d=0x00b i=1150
o=634880 (0,4)
--24393:0: aspacem 14: FILE 005809d000-00581bbfff 1175552 r-x-- d=0x00b i=1150
o=643072 (0,4)
--24393:0: aspacem 15: 00581bc000-00581cafff 61440
--24393:0: aspacem 16: FILE 00581cb000-00581ccfff 8192 rw--- d=0x00b i=1150
o=1814528 (0,4)
--24393:0: aspacem 17: ANON 00581cd000-0058b38fff 9879552 rw---
--24393:0: aspacem 18: 0058b39000-00617a8fff 140m
--24393:0: aspacem 19: RSVN 00617a9000-00617a9fff 4096 ----- SmFixed
--24393:0: aspacem 20: ANON 00617aa000-0067950fff 97m rwx--
--24393:0: aspacem 21: ANON 0067951000-0067952fff 8192 -----
--24393:0: aspacem 22: ANON 0067953000-0067a52fff 1048576 rwx--
--24393:0: aspacem 23: ANON 0067a53000-0067a54fff 8192 -----
--24393:0: aspacem 24: 0067a55000-0067a57fff 12288
--24393:0: aspacem 25: FILE 0067a58000-0067a58fff 4096 rw--- d=0x00e
i=69865 o=0 (3,87)
--24393:0: aspacem 26: 0067a59000-00b6f0efff 1268m
--24393:0: aspacem 27: ANON 00b6f0f000-00b6f0ffff 4096 r-x--
--24393:0: aspacem 28: 00b6f10000-00bd752fff 104m
--24393:0: aspacem 29: RSVN 00bd753000-00bdf51fff 8384512 ----- SmUpper
--24393:0: aspacem 30: anon 00bdf52000-00bdf52fff 4096 rw---
--24393:0: aspacem 31: 00bdf53000-00bef31fff 15m
--24393:0: aspacem 32: ANON 00bef32000-00bef52fff 135168 rw---
--24393:0: aspacem 33: RSVN 00bef53000-00fffeffff 1040m ----- SmFixed
--24393:0: aspacem 34: anon 00ffff0000-00ffff0fff 4096 r-x--
--24393:0: aspacem 35: RSVN 00ffff1000-00ffffffff 61440 ----- SmFixed
--24393:0: aspacem >>>
--24393-- core : 8,388,608/ 8,388,608 max/curr mmap'd, 0/0
unsplit/split sb unmmap'd, 2,915,072/ 2,909,656 max/curr, 913/
2957424 totalloc-blocks/bytes, 908 searches 4 rzB
--24393-- dinfo : 1,048,576/ 1,048,576 max/curr mmap'd, 0/0
unsplit/split sb unmmap'd, 378,840/ 104,992 max/curr, 1020/
592440 totalloc-blocks/bytes, 1026 searches 4 rzB
--24393-- client : 0/ 0 max/curr mmap'd, 0/0
unsplit/split sb unmmap'd, 0/ 0 max/curr, 0/
0 totalloc-blocks/bytes, 0 searches 20 rzB
--24393-- demangle: 65,536/ 65,536 max/curr mmap'd, 0/0
unsplit/split sb unmmap'd, 120/ 88 max/curr, 8/
200 totalloc-blocks/bytes, 7 searches 4 rzB
--24393-- ttaux : 0/ 0 max/curr mmap'd, 0/0
unsplit/split sb unmmap'd, 0/ 0 max/curr, 0/
0 totalloc-blocks/bytes, 0 searches 4 rzB
--24393-- translate: fast new/die SP updates identified: 0 (0.0%)/0
(0.0%)
--24393-- translate: generic_known new/die SP updates identified: 2
(100.0%)/0 (0.0%)
--24393-- translate: generic_unknown SP updates identified: 0 (0.0%)
--24393-- translate: PX: SPonly 0, UnwRegs 1, AllRegs 0, AllRegsAllInsns 0
--24393-- tt/tc: 2 tt lookups requiring 0 probes
--24393-- tt/tc: 0 fast-cache updates, 1 flushes
--24393-- transtab: new 1 (68 -> 1,204; ratio 17.7) [0 scs] avg tce
size 1204
--24393-- transtab: dumped 0 (0 -> ??) (sectors recycled 0)
--24393-- transtab: discarded 0 (0 -> ??)
--24393-- scheduler: 0 event checks.
--24393-- scheduler: 0 indir transfers, 0 misses (1 in 0) ..
--24393-- scheduler: .. of which: 0 hit0, 0 hit1, 0 hit2, 0 hit3, 0 missed
--24393-- scheduler: 0/1 major/minor sched events.
--24393-- sanity: 0 cheap, 0 expensive checks.
--24393-- exectx: 769 lists, 4 contexts (avg 0.01 per list) (avg 1.00 IP per
context)
--24393-- exectx: 5 searches, 1 full compares (200 per 1000)
--24393-- exectx: 0 cmp2, 0 cmp4, 0 cmpAll
--24393-- errormgr: 0 supplist searches, 0 comparisons during search
--24393-- errormgr: 0 errlist searches, 0 comparisons during search
--24393-- memcheck: freelist: vol 0 length 0
--24393-- memcheck: sanity checks: 0 cheap, 1 expensive
--24393-- memcheck: auxmaps: 0 auxmap entries (0k, 0M) in use
--24393-- memcheck: auxmaps_L1: 0 searches, 0 cmps, ratio 0:10
--24393-- memcheck: auxmaps_L2: 0 searches, 0 nodes
--24393-- memcheck: SMs: n_issued = 7 (112k, 0M)
--24393-- memcheck: SMs: n_deissued = 0 (0k, 0M)
--24393-- memcheck: SMs: max_noaccess = 65535 (1048560k, 1023M)
--24393-- memcheck: SMs: max_undefined = 0 (0k, 0M)
--24393-- memcheck: SMs: max_defined = 9 (144k, 0M)
--24393-- memcheck: SMs: max_non_DSM = 7 (112k, 0M)
--24393-- memcheck: max sec V bit nodes: 0 (0k, 0M)
--24393-- memcheck: set_sec_vbits8 calls: 0 (new: 0, updates: 0)
--24393-- memcheck: max shadow mem size: 416k, 0M
--24393-- ocacheL1: 171,981 refs 21,120 misses (0 lossage)
--24393-- ocacheL1: 150,861 at 0 0 at 1
--24393-- ocacheL1: 0 at 2+ 21,120 move-fwds
--24393-- ocacheL1: 92,274,688 sizeB 67,108,864 useful
--24393-- ocacheL2: 21,120 refs 21,120 misses
--24393-- ocacheL2: 0 max nodes 0 curr nodes
--24393-- niacache: 0 refs 0 misses
host stacktrace:
==24393== at 0x5803684C: ??? (in /lib/valgrind/memcheck-arm-linux)
sched status:
running_tid=1
--24393-- VALGRIND INTERNAL ERROR: Valgrind received a signal 11 (SIGSEGV) -
exiting
--24393-- si_code=1; Faulting address: 0xA0; sp: 0x67a529a0
valgrind: the 'impossible' happened:
Killed by fatal signal
host stacktrace:
==24393== at 0x58080344: ??? (in /lib/valgrind/memcheck-arm-linux)
sched status:
running_tid=1
Segmentation fault
/bin/busybox: can't resolve symbol '__libc_freeres'
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