Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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6.2.2
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None
Description
When testing a custom pre-build of the upcoming MaxScale 6.2.2 (with proposed fix for MXS-4000 and some extra logging code added), a crash in the readwritesplit happened (just once so far):
2022-02-16 15:45:35 alert : (48) (Appdata1RW-Service); MaxScale 6.2.2 received fatal signal 11. Commit ID: 2374370f645d721e99237d4d9bc61bb691757ad6 System name: Linux Release string: undefined
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2022-02-16 15:45:35 alert : (48) (Appdata1RW-Service); Statement currently being classified: none/unknown
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2022-02-16 15:45:35 alert : (48) (Appdata1RW-Service); DCB: 0x7efe7803b370 Session: 48 Service: Appdata1RW-Service
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2022-02-16 15:45:35 notice : (48) (Appdata1RW-Service); For a more detailed stacktrace, install GDB and add 'debug=gdb-stacktrace' under the [maxscale] section.
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/usr/lib64/maxscale/libreadwritesplit.so(RWSplitSession::finish_causal_read()+0x59) [0x7efe7c20b849]
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/usr/lib64/maxscale/libreadwritesplit.so(RWSplitSession::clientReply(GWBUF*, std::vector<maxscale::Endpoint*, std::allocator<maxscale::Endpoint*> > const&, maxscale::Reply const&)+0x2fc) [0x7efe7c20030c]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(ServiceEndpoint::clientReply(GWBUF*, std::vector<maxscale::Endpoint*, std::allocator<maxscale::Endpoint*> >&, maxscale::Reply const&)+0x99) [0x7efe8574bb19]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(ServerEndpoint::clientReply(GWBUF*, std::vector<maxscale::Endpoint*, std::allocator<maxscale::Endpoint*> >&, maxscale::Reply const&)+0xfa) [0x7efe8573d4ba]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(MariaDBBackendConnection::normal_read()+0x19f) [0x7efe8577d30f]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(DCB::process_events(unsigned int)+0xc4) [0x7efe856c7314]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(DCB::event_handler(DCB*, unsigned int)+0x21) [0x7efe856c7411]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(maxbase::Worker::poll_waitevents()+0x212) [0x7efe857bd9d2]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(maxbase::Worker::run(maxbase::Semaphore*)+0x4f) [0x7efe857bdb8f]
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/usr/lib64/libstdc++.so.6(+0xdb3b4) [0x7efe845e63b4]
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/lib64/libpthread.so.0(+0xa6ea) [0x7efe833396ea]
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/lib64/libc.so.6(clone+0x3f) [0x7efe826e0a8f]
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alert : Writing core dump.
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