Re: Segfault in threaded program after upgrade to DBI 1.620
Matthew Musgrove <[email protected]>
| Newsgroups | gmane.comp.lang.perl.modules.dbi.general |
|---|---|
| Message-ID | <CAJaTdr1ZrO9FHWGAGqgw94p-3OazJMfK_mJSEbVUzyeMA55JJQ@mail.gmail.com> |
Here's the backtrace log. Matt On Thu, May 10, 2012 at 10:00 PM, Matthew Musgrove <[email protected]>wrote: > We have this threaded program that runs as a daemonized service and it's > been happy for quite a while using DBI 1.616 and DBD::Oracle 1.30. Last > week, I updated DBI to 1.620 and DBD::Oracle 1.44 and when I restarted the > service, it segfaulted as soon as it created a new thread. I was pretty > sure that it wasn't in DBD::Oracle because I had tested a prerelease of the > new code and didn't have any problems with it. I reverted it back to DBI > 1.616 and DBD::Oracle 1.30 and when I restarted the service, it was happy > again. Next I updated DBI to 1.620 and left DBD::Oracle alone. Again, it > segfaulted as soon as it created a new thread. It isn't my code so there > could be a bug or three lurking in there waiting to attack but as I said, > it's been working just fine. The only change was to DBI. I reverted DBI > back to 1.616 and decided to wait (you know, to see if anyone would report > anything). > > Today, I had a little free time and decided to try it again. It took some > coaxing but I finally got it create a core dump (after setting > DAEMON_COREFILE_LIMIT=" > unlimited"). I loaded the core dump in gdb and did a backtrace. It looks > like it segfaults in dbi_ima_dup. Unfortunately, this perl didn't have > debugging enabled. I compiled a new copy of perl (same version and I think > the same flags except with debugging), installed the same modules for it > and created another core dump. I logged 'backtrace', 'info registers' and > 'thread apply all backtrace' to separate files. This was my first time > using gdb so that was interesting. I don't really know what sort of > information you need so... yeah. > > I'm attaching output from perl -V (from both copies of perl) and 'info > registers'. I'll send a reply with the backtrace log next. > > What other information do I need to provide? Does anyone have any tips or > pointers on how I can debug this further? > > Matt >
backtrace.log
(application/octet-stream, 18.1 KB)
#0 0x00002ab069f07cdf in dbi_ima_dup (my_perl=0x8a37540, mg=0x8c3bcf8, param=0x427d9b20) at DBI.xs:289 #1 0x00000000005d232f in Perl_mg_dup (my_perl=0x8a37540, mg=0x8582798, param=0x427d9b20) at sv.c:10731 #2 0x00000000005d4428 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x857ea78, param=0x427d9b20) at sv.c:11095 #3 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x8581a98, param=0x427d9b20) at sv.c:10668 #4 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x857ea60, param=0x427d9b20) at sv.c:11144 #5 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x857d388, shared=1 '\001', param=0x427d9b20) at hv.c:205 #6 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x857ea48, param=0x427d9b20) at sv.c:11227 #7 0x00000000005d1ebe in Perl_gp_dup (my_perl=0x8a37540, gp=0x85817d8, param=0x427d9b20) at sv.c:10666 #8 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x857ea30, param=0x427d9b20) at sv.c:11144 #9 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x857d370, shared=1 '\001', param=0x427d9b20) at hv.c:205 #10 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8331810, param=0x427d9b20) at sv.c:11227 #11 0x00000000005d4b8b in Perl_sv_dup (my_perl=0x8a37540, sstr=0x853cad8, param=0x427d9b20) at sv.c:11131 #12 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x2aaab0013210, dest=0x8d87d78, items=60, param=0x427d9b20) at sv.c:10948 #13 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x2aaab0009b70, param=0x427d9b20) at sv.c:11190 #14 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x2aaab000abd8, dest=0x8d87710, items=0, param=0x427d9b20) at sv.c:10948 #15 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x2aaab0009b40, param=0x427d9b20) at sv.c:11190 #16 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x84b75f0, param=0x427d9b20) at sv.c:11284 #17 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x84b1c28, param=0x427d9b20) at sv.c:10668 #18 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x84c20c0, param=0x427d9b20) at sv.c:11144 #19 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x86e6e48, shared=1 '\001', param=0x427d9b20) at hv.c:205 #20 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8452458, param=0x427d9b20) at sv.c:11227 #21 0x00000000005d4b8b in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8452440, param=0x427d9b20) at sv.c:11131 #22 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8443c00, dest=0x8d616f8, items=91, param=0x427d9b20) at sv.c:10948 #23 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8440078, param=0x427d9b20) at sv.c:11190 #24 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8442f78, dest=0x8d60a70, items=0, param=0x427d9b20) at sv.c:10948 #25 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x843fee0, param=0x427d9b20) at sv.c:11190 #26 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x843feb0, param=0x427d9b20) at sv.c:11284 #27 0x00000000005d2eac in Perl_rvpv_dup (my_perl=0x8a37540, dstr=0x8d5f218, sstr=0x843fe98, param=0x427d9b20) at sv.c:10900 #28 0x00000000005d38db in Perl_sv_dup (my_perl=0x8a37540, sstr=0x843fe98, param=0x427d9b20) at sv.c:11025 #29 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8442df0, dest=0x8d60898, items=14, param=0x427d9b20) at sv.c:10948 #30 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x842a308, param=0x427d9b20) at sv.c:11190 #31 0x00000000005d2eac in Perl_rvpv_dup (my_perl=0x8a37540, dstr=0x8d4a968, sstr=0x8472338, param=0x427d9b20) at sv.c:10900 #32 0x00000000005d38db in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8472338, param=0x427d9b20) at sv.c:11025 #33 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x8464290, shared=1 '\001', param=0x427d9b20) at hv.c:205 #34 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x84722d8, param=0x427d9b20) at sv.c:11227 #35 0x00000000005d2eac in Perl_rvpv_dup (my_perl=0x8a37540, dstr=0x8d4a920, sstr=0x8425b78, param=0x427d9b20) at sv.c:10900 #36 0x00000000005d38db in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8425b78, param=0x427d9b20) at sv.c:11025 #37 0x00000000005d5a8e in Perl_sv_dup (my_perl=0x8a37540, sstr=0x840a658, param=0x427d9b20) at sv.c:11195 #38 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x840cdb0, dest=0x8d4b918, items=31, param=0x427d9b20) at sv.c:10948 #39 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x840a640, param=0x427d9b20) at sv.c:11190 #40 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x840ca48, dest=0x8d4a5a0, items=0, param=0x427d9b20) at sv.c:10948 #41 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x840a580, param=0x427d9b20) at sv.c:11190 #42 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x840a568, param=0x427d9b20) at sv.c:11284 #43 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x840c9c8, param=0x427d9b20) at sv.c:10668 #44 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x840a550, param=0x427d9b20) at sv.c:11144 #45 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x83fbdb0, shared=1 '\001', param=0x427d9b20) at hv.c:205 #46 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188f10, param=0x427d9b20) at sv.c:11227 #47 0x00000000005d4544 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188ef8, param=0x427d9b20) at sv.c:11097 #48 0x00000000005d2eac in Perl_rvpv_dup (my_perl=0x8a37540, dstr=0x8abd370, sstr=0x8188ee0, param=0x427d9b20) at sv.c:10900 #49 0x00000000005d38db in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188ee0, param=0x427d9b20) at sv.c:11025 #50 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x817c020, shared=1 '\001', param=0x427d9b20) at hv.c:205 #51 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188e98, param=0x427d9b20) at sv.c:11227 #52 0x00000000005d2eac in Perl_rvpv_dup (my_perl=0x8a37540, dstr=0x8abd310, sstr=0x8188e80, param=0x427d9b20) at sv.c:10900 #53 0x00000000005d38db in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188e80, param=0x427d9b20) at sv.c:11025 #54 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x817c008, shared=1 '\001', param=0x427d9b20) at hv.c:205 #55 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188e68, param=0x427d9b20) at sv.c:11227 #56 0x00000000005d1ebe in Perl_gp_dup (my_perl=0x8a37540, gp=0x8232fa8, param=0x427d9b20) at sv.c:10666 #57 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188e50, param=0x427d9b20) at sv.c:11144 #58 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8231c00, dest=0x8b66398, items=50, param=0x427d9b20) at sv.c:10948 #59 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188d30, param=0x427d9b20) at sv.c:11190 #60 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x82317b8, dest=0x8b650c0, items=0, param=0x427d9b20) at sv.c:10948 #61 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188c28, param=0x427d9b20) at sv.c:11190 #62 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188c10, param=0x427d9b20) at sv.c:11284 #63 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x8230ad8, param=0x427d9b20) at sv.c:10668 #64 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188bf8, param=0x427d9b20) at sv.c:11144 #65 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8230a50, dest=0x8b64fb8, items=2, param=0x427d9b20) at sv.c:10948 #66 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188bc8, param=0x427d9b20) at sv.c:11190 #67 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x822fb28, dest=0x8b64f20, items=0, param=0x427d9b20) at sv.c:10948 #68 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188b98, param=0x427d9b20) at sv.c:11190 #69 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188b68, param=0x427d9b20) at sv.c:11284 #70 0x00000000005d2eac in Perl_rvpv_dup (my_perl=0x8a37540, dstr=0x8abcfe0, sstr=0x8188b50, param=0x427d9b20) at sv.c:10900 #71 0x00000000005d417b in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188b50, param=0x427d9b20) at sv.c:11084 #72 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x817bfc0, shared=1 '\001', param=0x427d9b20) at hv.c:205 #73 0x000000000054a1b5 in Perl_he_dup (my_perl=0x8a37540, e=0x817bfa8, shared=1 '\001', param=0x427d9b20) at hv.c:177 #74 0x000000000054a1b5 in Perl_he_dup (my_perl=0x8a37540, e=0x817bf90, shared=1 '\001', param=0x427d9b20) at hv.c:177 #75 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188aa8, param=0x427d9b20) at sv.c:11227 #76 0x00000000005d1ebe in Perl_gp_dup (my_perl=0x8a37540, gp=0x8189b28, param=0x427d9b20) at sv.c:10666 #77 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8188a90, param=0x427d9b20) at sv.c:11144 #78 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8170578, dest=0x8aa5300, items=39, param=0x427d9b20) at sv.c:10948 #79 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816d1c8, param=0x427d9b20) at sv.c:11190 #80 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816feb8, dest=0x8aa4c40, items=0, param=0x427d9b20) at sv.c:10948 #81 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816d0d8, param=0x427d9b20) at sv.c:11190 #82 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816d0c0, param=0x427d9b20) at sv.c:11284 #83 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x816ee28, param=0x427d9b20) at sv.c:10668 #84 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816d0a8, param=0x427d9b20) at sv.c:11144 #85 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816e810, dest=0x8aa3598, items=3, param=0x427d9b20) at sv.c:10948 #86 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816cd18, param=0x427d9b20) at sv.c:11190 #87 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816e648, dest=0x8aa33d0, items=0, param=0x427d9b20) at sv.c:10948 #88 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816ccd0, param=0x427d9b20) at sv.c:11190 #89 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816ccb8, param=0x427d9b20) at sv.c:11284 #90 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x816e5c8, param=0x427d9b20) at sv.c:10668 #91 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816cca0, param=0x427d9b20) at sv.c:11144 #92 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816dee8, dest=0x8aa2c70, items=13, param=0x427d9b20) at sv.c:10948 #93 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816ca18, param=0x427d9b20) at sv.c:11190 #94 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816dc48, dest=0x8aa29d0, items=0, param=0x427d9b20) at sv.c:10948 #95 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816c970, param=0x427d9b20) at sv.c:11190 #96 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816c958, param=0x427d9b20) at sv.c:11284 #97 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x816dbc8, param=0x427d9b20) at sv.c:10668 #98 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x816c940, param=0x427d9b20) at sv.c:11144 #99 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x81639b0, shared=1 '\001', param=0x427d9b20) at hv.c:205 #100 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81669c8, param=0x427d9b20) at sv.c:11227 #101 0x00000000005d4b8b in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81669b0, param=0x427d9b20) at sv.c:11131 #102 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816a7e8, dest=0x8a9f570, items=7, param=0x427d9b20) at sv.c:10948 #103 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81666e0, param=0x427d9b20) at sv.c:11190 #104 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816a3a8, dest=0x8a9f130, items=0, param=0x427d9b20) at sv.c:10948 #105 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166638, param=0x427d9b20) at sv.c:11190 #106 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166620, param=0x427d9b20) at sv.c:11284 #107 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x816a328, param=0x427d9b20) at sv.c:10668 #108 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166608, param=0x427d9b20) at sv.c:11144 #109 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816a260, dest=0x8a9efe8, items=6, param=0x427d9b20) at sv.c:10948 #110 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81665d8, param=0x427d9b20) at sv.c:11190 #111 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x816a1a8, dest=0x8a9ef30, items=0, param=0x427d9b20) at sv.c:10948 #112 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81665a8, param=0x427d9b20) at sv.c:11190 #113 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166590, param=0x427d9b20) at sv.c:11284 #114 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x816a128, param=0x427d9b20) at sv.c:10668 #115 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166578, param=0x427d9b20) at sv.c:11144 #116 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x8163938, shared=1 '\001', param=0x427d9b20) at hv.c:205 #117 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166320, param=0x427d9b20) at sv.c:11227 #118 0x00000000005d1ebe in Perl_gp_dup (my_perl=0x8a37540, gp=0x8169a28, param=0x427d9b20) at sv.c:10666 #119 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8166308, param=0x427d9b20) at sv.c:11144 #120 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x8163908, shared=1 '\001', param=0x427d9b20) at hv.c:205 #121 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113dc8, param=0x427d9b20) at sv.c:11227 #122 0x00000000005d60bd in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113db0, param=0x427d9b20) at sv.c:11271 #123 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x8129048, param=0x427d9b20) at sv.c:10668 #124 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113d98, param=0x427d9b20) at sv.c:11144 #125 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x8120768, shared=1 '\001', param=0x427d9b20) at hv.c:205 #126 0x000000000054a1b5 in Perl_he_dup (my_perl=0x8a37540, e=0x8120780, shared=1 '\001', param=0x427d9b20) at hv.c:177 #127 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113738, param=0x427d9b20) at sv.c:11227 #128 0x00000000005d60bd in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113720, param=0x427d9b20) at sv.c:11271 #129 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x8127cf8, param=0x427d9b20) at sv.c:10668 #130 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113708, param=0x427d9b20) at sv.c:11144 #131 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x81206c0, shared=1 '\001', param=0x427d9b20) at hv.c:205 #132 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81136f0, param=0x427d9b20) at sv.c:11227 #133 0x00000000005d60bd in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81136d8, param=0x427d9b20) at sv.c:11271 #134 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x8a5b3d8, dest=0x8a5b3d0, items=0, param=0x427d9b20) at sv.c:10948 #135 0x00000000005d2286 in Perl_mg_dup (my_perl=0x8a37540, mg=0x8127598, param=0x427d9b20) at sv.c:10723 #136 0x00000000005d4428 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81136c0, param=0x427d9b20) at sv.c:11095 #137 0x00000000005d4544 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81136a8, param=0x427d9b20) at sv.c:11097 #138 0x00000000005d1da1 in Perl_gp_dup (my_perl=0x8a37540, gp=0x81256b8, param=0x427d9b20) at sv.c:10663 #139 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113678, param=0x427d9b20) at sv.c:11144 #140 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x81255e8, dest=0x8a5a1a0, items=10, param=0x427d9b20) at sv.c:10948 #141 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113648, param=0x427d9b20) at sv.c:11190 #142 0x00000000005d342a in S_sv_dup_inc_multiple (my_perl=0x8a37540, source=0x81254e8, dest=0x8a59090, items=0, param=0x427d9b20) at sv.c:10948 #143 0x00000000005d5a5d in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113600, param=0x427d9b20) at sv.c:11190 #144 0x00000000005d6455 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81135e8, param=0x427d9b20) at sv.c:11284 #145 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x8125468, param=0x427d9b20) at sv.c:10668 #146 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81135d0, param=0x427d9b20) at sv.c:11144 #147 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x8120690, shared=1 '\001', param=0x427d9b20) at hv.c:205 #148 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113588, param=0x427d9b20) at sv.c:11227 #149 0x00000000005d60bd in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113570, param=0x427d9b20) at sv.c:11271 #150 0x00000000005d1f54 in Perl_gp_dup (my_perl=0x8a37540, gp=0x8124aa8, param=0x427d9b20) at sv.c:10668 #151 0x00000000005d5171 in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113558, param=0x427d9b20) at sv.c:11144 #152 0x000000000054a380 in Perl_he_dup (my_perl=0x8a37540, e=0x8120678, shared=1 '\001', param=0x427d9b20) at hv.c:205 #153 0x00000000005d5cfe in Perl_sv_dup (my_perl=0x8a37540, sstr=0x81130a8, param=0x427d9b20) at sv.c:11227 #154 0x00000000005d4b8b in Perl_sv_dup (my_perl=0x8a37540, sstr=0x8113090, param=0x427d9b20) at sv.c:11131 #155 0x00000000005da6c9 in perl_clone (proto_perl=0x81049a0, flags=2) at sv.c:12058 #156 0x00002ab068822909 in S_ithread_create (my_perl=0x81049a0, init_function=0x2aaab001f848, stack_size=0, gimme=2, exit_opt=0, params=0x2aaab001f890) at threads.xs:766 #157 0x00002ab068827ba5 in XS_threads_create (my_perl=0x81049a0, cv=0x8172270) at threads.xs:1062 #158 0x000000000057cfbc in Perl_pp_entersub (my_perl=0x81049a0) at pp_hot.c:2885 #159 0x00000000005176f6 in Perl_runops_debug (my_perl=0x81049a0) at dump.c:2049 #160 0x0000000000450683 in Perl_call_sv (my_perl=0x81049a0, sv=0x86d2938, flags=10) at perl.c:2605 #161 0x00002ab06881e398 in S_ithread_run (arg=0x809df50) at threads.xs:509 #162 0x0000003c2f40673d in start_thread () from /lib64/libpthread.so.0 #163 0x0000003c2ecd44bd in clone () from /lib64/libc.so.6