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File _service:download_src_package:checkpoint-opd-deadlock.patch of Package libdb
--- db-5.3.21/src/db/db_cam.c.opd_deadlock 2017-10-31 12:20:54.118979690 +0100 +++ db-5.3.21/src/db/db_cam.c 2017-10-31 12:21:06.828739341 +0100 @@ -868,6 +868,11 @@ flags == DB_PREV || flags == DB_PREV_DUP)) { if (tmp_rmw && (ret = dbc->am_writelock(dbc)) != 0) goto err; + /* Latch the primary tree page here in order to not deadlock later. */ + if (cp->page == NULL && + (ret = __memp_fget(mpf, &cp->pgno, + dbc->thread_info, dbc->txn, 0, &cp->page)) != 0) + goto err; if (F_ISSET(dbc, DBC_TRANSIENT)) opd = cp->opd; else if ((ret = __dbc_idup(cp->opd, &opd, DB_POSITION)) != 0)
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