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Thread: random st_birthtime




random st_birthtime
country flaguser name
United States
2008-03-19 15:42:13
Hello,

 

I am running FreeBSD 7.0-RELEASE AMD64 on a dual dual-core
xeon system,
and I am having an odd problem with non-UFS filesystems. Any
mounted
filesystem that is not UFS will return a random, negative
st_birthtime.
Also, each time I stat the file I get a different value.

 

The two mounted filesystems with this problem are ext2fs and
smbfs.

 

Here's my output from uname -a:

[rootzeta /mnt/autoboxes/achristianson]# uname -a

FreeBSD zeta.orases.com 7.0-RELEASE FreeBSD 7.0-RELEASE #0:
Sun Feb 24
10:35:36 UTC 2008
rootdriscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
 amd64

 

Here is some example ls -lU output:

 

 

[rootzeta /mnt/autoboxes/achristianson]# ls -lU

total 15750

drwxrwxrwx  1 www  www     16384 Dec 26  1929 boonshaft

-rwxrwxrwx  1 www  www  15964062 Dec 26  1929
cachegrind.out.17937

drwxrwxrwx  1 www  www     16384 Dec 26  1929 catgenie

drwxrwxrwx  1 www  www     16384 Dec 26  1929 cedarbrook

drwxrwxrwx  1 www  www     16384 Dec 26  1929 gams

drwxrwxrwx  1 www  www     16384 Dec 26  1929 gamsreview

drwxrwxrwx  1 www  www     16384 Dec 26  1929 gamsspec

-rwxrwxrwx  1 www  www         0 Dec 26  1929 jesus

drwxrwxrwx  1 www  www     16384 Dec 26  1929 lib24watch

-rwxrwxrwx  1 www  www         0 Dec 26  1929 newfile

drwxrwxrwx  1 www  www     16384 Dec 26  1929 test

-rwxrwxrwx  1 www  www        78 Dec 26  1929 testfile

-rwxrwxrwx  1 www  www        78 Dec 26  1929 testfile~

drwxrwxrwx  1 www  www     16384 Dec 26  1929 usaf2008-impl

drwxrwxrwx  1 www  www     16384 Dec 26  1929 yff

[rootzeta /mnt/autoboxes/achristianson]# ls -lU

total 15750

drwxrwxrwx  1 www  www     16384 Jan 14  1930 boonshaft

-rwxrwxrwx  1 www  www  15964062 Jan 14  1930
cachegrind.out.17937

drwxrwxrwx  1 www  www     16384 Jan 14  1930 catgenie

drwxrwxrwx  1 www  www     16384 Jan 14  1930 cedarbrook

drwxrwxrwx  1 www  www     16384 Jan 14  1930 gams

drwxrwxrwx  1 www  www     16384 Jan 14  1930 gamsreview

drwxrwxrwx  1 www  www     16384 Jan 14  1930 gamsspec

-rwxrwxrwx  1 www  www         0 Jan 14  1930 jesus

drwxrwxrwx  1 www  www     16384 Jan 14  1930 lib24watch

-rwxrwxrwx  1 www  www         0 Jan 14  1930 newfile

drwxrwxrwx  1 www  www     16384 Jan 14  1930 test

-rwxrwxrwx  1 www  www        78 Jan 14  1930 testfile

-rwxrwxrwx  1 www  www        78 Jan 14  1930 testfile~

drwxrwxrwx  1 www  www     16384 Jan 14  1930 usaf2008-impl

drwxrwxrwx  1 www  www     16384 Jan 14  1930 yff

 

Here's some output from mount, so that you can see how
things are
mounted. Note that the problem occurs with or without the
noatime
option:

 

[rootzeta /mnt/autoboxes/achristianson]# mount

/dev/mfid0s1a on / (ufs, local, noatime)

devfs on /dev (devfs, local)

/dev/mfid0s1e on /tmp (ufs, local, noatime, soft-updates)

/dev/mfid0s1f on /usr (ufs, local, noatime, soft-updates)

/dev/mfid0s1d on /var (ufs, local, soft-updates)

/dev/da0s1 on /mnt/usb (ext2fs, local, noatime)

//SVNCHEWBACCA/SANDBOX on /mnt/autoboxes/rpeters (smbfs,
noatime)

//SVNGREEDO/SANDBOX on /mnt/autoboxes/koboyle (smbfs,
noatime)

//SVNVADER/SANDBOX on /mnt/autoboxes/mloss (smbfs,
noatime)

//SVNMACMINI/SANDBOX on /mnt/autoboxes/macmini (smbfs,
noatime)

//SVNR2D2/SANDBOX on /mnt/autoboxes/achristianson (smbfs,
noatime)

//SVNBOBAFETT/SANDBOX on /mnt/autoboxes/rgriffin (smbfs,
noatime)

//SVNYODA/SANDBOX on /mnt/autoboxes/vpolyanov (smbfs,
noatime)

//SVNDARTHMAUL/SANDBOX on /mnt/autoboxes/dmercer (smbfs,
noatime)

//ADMINISTRATORTITAN/BACKUP on /mnt/backup (smbfs,
noatime)

//SVNJANGOFETT/SANDBOX on /mnt/autoboxes/mtomasello
(smbfs, noatime)

//SVNGRIEVOUS/SANDBOX on /mnt/autoboxes/atalabac (smbfs,
noatime)

 

I do not think this is an SMBFS problem, because it happens
exactly the
same on /dev/da0s1 (ext2fs).

 

Any ideas? Thanks in advance for any help!

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