Re: gettimeofday() goes backwards on FreeBSD 4.9 - Mailing list pgsql-hackers

From Tom Lane
Subject Re: gettimeofday() goes backwards on FreeBSD 4.9
Date
Msg-id 3158.1070065188@sss.pgh.pa.us
Whole thread Raw
In response to Re: gettimeofday() goes backwards on FreeBSD 4.9  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: gettimeofday() goes backwards on FreeBSD 4.9  (Darcy Buskermolen <darcy@wavefire.com>)
List pgsql-hackers
I said:
> The failure is definitely quite repeatable on pgsql74.hub.org.  I don't
> see it on svr1.postgresql.org, though, which seems to be running almost
> the same kernel.

After looking more closely, I take that back: svr1 is failing too,
though not as often:

> uname -a
FreeBSD svr1.postgresql.org 4.9-PRERELEASE FreeBSD 4.9-PRERELEASE #4: Sat Sep 20 14:41:58 ADT 2003
root@jupiter.hub.org:/usr/obj/usr/src/sys/kernel i386
 
> ./a.out
out of order tv_sec: 1070064182 410497, prev 1070064877 836691     <-----------
out of order tv_usec: 1070064182 410497, prev 1070064877 836691
out of order tv_sec: 1070064877 920579, prev 1070064182 410497
out of order tv_sec: 1070064901 126624, prev 1070064899 897160
out of order tv_usec: 1070064901 126624, prev 1070064899 897160
out of order tv_sec: 1070064907 306286, prev 1070064905 481423
out of order tv_usec: 1070064907 306286, prev 1070064905 481423
out of order tv_sec: 1070064218 861047, prev 1070064914 337241     <-----------
out of order tv_sec: 1070064914 570717, prev 1070064218 861047
out of order tv_usec: 1070064914 570717, prev 1070064218 861047
out of order tv_sec: 1070064241 411391, prev 1070064936 837585     <-----------
out of order tv_usec: 1070064241 411391, prev 1070064936 837585
out of order tv_sec: 1070064937 497925, prev 1070064241 411391
out of order tv_sec: 1070064251 811548, prev 1070064947 337739     <-----------
out of order tv_sec: 1070064947 508364, prev 1070064251 811548
out of order tv_usec: 1070064947 508364, prev 1070064251 811548

Maybe it's a 4.9-PRERELEASE bug?
        regards, tom lane


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