Details
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Type:
Bug
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Status: Resolved
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Priority:
Major - P3
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Resolution: Fixed
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Affects Version/s: None
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Labels:
Description
I ran test/fops, then disconnected it's output (with bash's disown). The test then hit an assertion and attempted to generate output with __wt_err.
There is an unfortunate interaction when attempting to handle failures from custom error handlers:
#0 0x00007f490662f04d in buffered_vfprintf () from /lib64/libc.so.6
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#1 0x00007f490662c66d in vfprintf () from /lib64/libc.so.6
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#2 0x00007f4906634897 in fprintf () from /lib64/libc.so.6
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#3 0x0000000000404054 in handle_error (handler=0x786480 <event_handler>, session=0x1aa8f60, error=5, errmsg=0x7f49015336a0 "[1470032592:144899][20202:0x7f4901d30700], t, file:WiredTiger.wt, WT_CURSOR.search: stderr: printf: Input/output error") at ../../../test/fops/t.c:220
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#4 0x000000000047da2f in __wt_eventv (session=0x1aa8f60, msg_event=false, error=5, file_name=0x0, line_number=0, fmt=0x542d2e "%s: printf", ap=0x7f4901533fc8) at ../src/support/err.c:301
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#5 0x000000000047db2e in __wt_err (session=0x1aa8f60, error=5, fmt=0x542d2e "%s: printf") at ../src/support/err.c:326
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#6 0x0000000000445ae5 in __stdio_printf (session=0x1aa8f60, fs=0x1aa1f00, fmt=0x5476e2 "%s\n", ap=0x7f4901534140) at ../src/os_common/os_fstream_stdio.c:54
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#7 0x000000000047d061 in __wt_vfprintf (session=0x1aa8f60, fstr=0x1aa1f00, fmt=0x5476e2 "%s\n", ap=0x7f4901534140) at ../src/include/os_fstream.i:55
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#8 0x000000000047d117 in __wt_fprintf (session=0x1aa8f60, fstr=0x1aa1f00, fmt=0x5476e2 "%s\n") at ../src/include/os_fstream.i:70
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#9 0x000000000047d171 in __handle_error_default (handler=0x0, wt_session=0x1aa8f60, error=-1, errmsg=0x7f4901534280 "application error event handler failed: error return: -1") at ../src/support/err.c:26
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#10 0x000000000047d360 in __handler_failure (session=0x1aa8f60, error=-1, which=0x547759 "error", error_handler_failed=true) at ../src/support/err.c:126
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#11 0x000000000047da69 in __wt_eventv (session=0x1aa8f60, msg_event=false, error=5, file_name=0x0, line_number=0, fmt=0x542d2e "%s: printf", ap=0x7f4901534cf8) at ../src/support/err.c:304
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#12 0x000000000047db2e in __wt_err (session=0x1aa8f60, error=5, fmt=0x542d2e "%s: printf") at ../src/support/err.c:326
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#13 0x0000000000445ae5 in __stdio_printf (session=0x1aa8f60, fs=0x1aa1f00, fmt=0x5476e2 "%s\n", ap=0x7f4901534e70) at ../src/os_common/os_fstream_stdio.c:54
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#14 0x000000000047d061 in __wt_vfprintf (session=0x1aa8f60, fstr=0x1aa1f00, fmt=0x5476e2 "%s\n", ap=0x7f4901534e70) at ../src/include/os_fstream.i:55
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#15 0x000000000047d117 in __wt_fprintf (session=0x1aa8f60, fstr=0x1aa1f00, fmt=0x5476e2 "%s\n") at ../src/include/os_fstream.i:70
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#16 0x000000000047d171 in __handle_error_default (handler=0x0, wt_session=0x1aa8f60, error=-1, errmsg=0x7f4901534fb0 "application error event handler failed: error return: -1") at ../src/support/err.c:26
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#17 0x000000000047d360 in __handler_failure (session=0x1aa8f60, error=-1, which=0x547759 "error", error_handler_failed=true) at ../src/support/err.c:126
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...
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#17356 0x000000000047d360 in __handler_failure (session=0x1aa8f60, error=-1, which=0x547759 "error", error_handler_failed=true) at ../src/support/err.c:126
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#17357 0x000000000047da69 in __wt_eventv (session=0x1aa8f60, msg_event=false, error=0, file_name=0x545039 "../src/reconcile/rec_write.c", line_number=1163, fmt=0x544eb2 "%s", ap=0x7f4901d2f398) at ../src/support/err.c:304
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#17358 0x000000000047e0df in __wt_assert (session=0x1aa8f60, error=0, file_name=0x545039 "../src/reconcile/rec_write.c", line_number=1163, fmt=0x544eb2 "%s") at ../src/support/err.c:485
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#17359 0x000000000045773b in __rec_txn_read (session=0x1aa8f60, r=0x7f48e002fc40, ins=0x7f48f425f220, rip=0x0, vpack=0x0, updp=0x7f4901d2f550) at ../src/reconcile/rec_write.c:1160
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