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Bug #12305
closed"can't remove str from str_id" at unregister_sym
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
Description
I'm experiencing random occurrences of "can't remove str from str_id" crash.
Message string looks like this one:
/srv/sim/.rvm/gems/ruby-2.3.0@env-manager/gems/mongo-2.2.4/lib/mongo/server/description.rb:508: [BUG] 0x007f4f400ab310 can't remove str from str_id (`..dO.)
The only constant thing in it is the "can't remove str from str_id" substring. Other things like address, source code location or symbol string value in brackets differ between crash reports (see attachments).
In a C level backtrace information the only common part is top of a trace:
-- C level backtrace information -------------------------------------------
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(rb_vm_bugreport+0x51f) [0x7f4f8b0106ff] vm_dump.c:688
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(rb_bug+0xcf) [0x7f4f8ae9a01f] error.c:420
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(unregister_sym.part.12+0x20) [0x7f4f8ae4aada] symbol.c:399
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(rb_gc_free_dsymbol+0x62) [0x7f4f8afa56a2] symbol.c:637
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(gc_sweep_step+0x621) [0x7f4f8aec0d01] gc.c:2211
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(heap_get_freeobj_from_next_freepage+0x72) [0x7f4f8ae498c3] gc.c:3624
/srv/sim/.rvm/rubies/ruby-2.3.0/lib/libruby.so.2.3(newobj_slowpath_wb_protected+0xf4) [0x7f4f8aec43d4] gc.c:1679
We hit this bug at least once per day, so should you need any other information, let me know.
Attached are three full [BUG] reports for three different occurrences.
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