Re: Problems starting up postgres

Denis Perchine <dyp(at)perchine(dot)com> writes:
> Sep 5 08:42:30 mx postgres[5341]: [9] FATAL 2: XLogFlush: request is not satisfied

Hmm. I think you must be running into some kind of logic bug (boundary
condition maybe?) in XLogFlush. Could you add some debugging printouts,
along the line of

*** src/backend/access/transam/xlog.c~ Wed Sep 5 12:18:07 2001
--- src/backend/access/transam/xlog.c Wed Sep 5 12:20:17 2001
***************
*** 1266,1272 ****
XLogWrite(WriteRqst);
S_UNLOCK(&(XLogCtl->logwrt_lck));
if (XLByteLT(LogwrtResult.Flush, record))
! elog(STOP, "XLogFlush: request is not satisfied");
break;
}
S_LOCK_SLEEP(&(XLogCtl->logwrt_lck), spins++, XLOG_LOCK_TIMEOUT);
--- 1266,1274 ----
XLogWrite(WriteRqst);
S_UNLOCK(&(XLogCtl->logwrt_lck));
if (XLByteLT(LogwrtResult.Flush, record))
! elog(STOP, "XLogFlush: request (%u, %u) is not satisfied --- flushed to (%u, %u)",
! record.xlogid, record.xrecoff,
! LogwrtResult.Flush.xlogid, LogwrtResult.Flush.xrecoff);
break;
}
S_LOCK_SLEEP(&(XLogCtl->logwrt_lck), spins++, XLOG_LOCK_TIMEOUT);

(this patch is for current sources, line numbers are probably different
in 7.1.*)

BTW, how did you get into this state --- did you have a system crash?

regards, tom lane