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Type:
Bug
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Testing Infrastructure
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None
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Correctness
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Fully Compatible
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ALL
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v8.0
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2024-08-20
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166
When the index cache is disabled there is no issue loading the core dump. However when the index cache is enabled then the gdb process segfaults. For some reason this problem appears to be specific to the SUSE 12 platform.
Perhaps a clue will be how setting the index cache directory to a different location than its default of /home/ec2-user/.cache/gdb also avoids the segfault.
$ gdb -nx -iex 'set index-cache enabled on' ./bin/mongod ./dump_mongod.16182.core GNU gdb (GDB) 12.1 ... Fatal signal: Segmentation fault ----- Backtrace ----- 0x4ff3b3 ??? 0x5ef911 ??? 0x5efa54 ??? 0x7f81e0aeec8f ??? 0x5dec14 ??? 0x7fde9b ??? 0x8049c8 ??? 0x8054bc ??? 0x5e8593 ??? 0x805534 ??? 0x8049c8 ??? 0x8067aa ??? 0x806811 ??? 0x69f042 ??? 0x6a0716 ??? 0x6a128a ??? 0x433394 ??? 0x7f81dfe17ac4 ??? 0x443778 ??? 0xffffffffffffffff ??? --------------------- A fatal error internal to GDB has been detected, further debugging is not possible. GDB will now terminate. This is a bug, please report it. For instructions, see: <https://www.gnu.org/software/gdb/bugs/>. Segmentation fault (core dumped)
$ gdb -nx -iex 'set index-cache directory /data/mci/' -iex 'set index-cache enabled on' ./bin/mongod ./dump_mongod.16182.core ... [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". --Type <RET> for more, q to quit, c to continue without paging--c Core was generated by `/data/mci/09c94b7021f0919f37a0d5d363bbd545/src/dist-test/bin/mongod --setParame'. Program terminated with signal SIGABRT, Aborted. #0 0x00007effdb442180 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/noelision/libpthread.so.0 [Current thread is 1 (Thread 0x7effdc703b80 (LWP 16182))]
- is related to
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- Closed
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