[Postgres-xl-general] datanode assert failed and core dump when do 2pc

Mason Sharp msharp at translattice.com
Tue Nov 4 17:43:55 PST 2014


On Wed, Oct 15, 2014 at 12:11 AM, Jov <amutu at amutu.com> wrote:

> warning: no loadable sections found in added symbol-file system-supplied
> DSO at 0x7fff6733c000
> Core was generated by `postgres: gdt_new gdt_insight_new
> 10.196.130.214(34964) PREPARE TR'.
> Program terminated with signal 6, Aborted.
> #0  0x00007f3434433885 in raise () from /lib64/libc.so.6
> Missing separate debuginfos, use: debuginfo-install
> glibc-2.12-1.49.tl1.x86_64
> (gdb) bt
> #0  0x00007f3434433885 in raise () from /lib64/libc.so.6
> #1  0x00007f3434435065 in abort () from /lib64/libc.so.6
> #2  0x000000000079c91d in ExceptionalCondition (conditionName=<value
> optimized out>, errorType=<value optimized out>,
>     fileName=<value optimized out>, lineNumber=<value optimized out>) at
> assert.c:54
> #3  0x00000000004ab401 in MarkAsPrepared (gxact=0x7f33d17950b0) at
> twophase.c:400
> #4  0x00000000004ace9a in EndPrepare (gxact=0x7f33d17950b0) at
> twophase.c:1115
> #5  0x00000000004a6acd in PrepareTransaction () at xact.c:2888
> #6  0x00000000004a74e5 in CommitTransactionCommand () at xact.c:3478
> #7  0x00000000006cb7d7 in finish_xact_command () at postgres.c:2823
> #8  0x00000000006cdfb5 in exec_simple_query (query_string=0x1232148
> "PREPARE TRANSACTION '_$XC$98952937'") at postgres.c:1310
> #9  0x00000000006cf3f3 in PostgresMain (argc=<value optimized out>,
> argv=<value optimized out>,
>     dbname=0x1102358 "gdt_insight_new", username=<value optimized out>) at
> postgres.c:4557
> #10 0x0000000000680c16 in BackendRun () at postmaster.c:3880
> #11 BackendStartup () at postmaster.c:3570
> #12 ServerLoop () at postmaster.c:1502
> #13 0x0000000000683c09 in PostmasterMain (argc=<value optimized out>,
> argv=<value optimized out>) at postmaster.c:1262
> #14 0x00000000006053e0 in main (argc=5, argv=0x1100450) at main.c:201
> Jov
> blog: http:amutu.com/blog <http://amutu.com/blog>
>

Is this easily reproducible with a test case? I am having trouble
reproducing this. Can you provide any other details, like how many
statements were in the transaction, and what they may have looked like?

Thanks,

Mason
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