Date: Fri, 2 May 2014 11:50:59 GMT From: Matthias Apitz <guru@unixarea.de> To: freebsd-gnats-submit@FreeBSD.org Subject: bin/189233: last(1) output stops in the past Message-ID: <201405021150.s42BoxuD070680@cgiserv.freebsd.org> Resent-Message-ID: <201405021200.s42C01Sx075369@freefall.freebsd.org>
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>Number: 189233
>Category: bin
>Synopsis: last(1) output stops in the past
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri May 02 12:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator: Matthias Apitz
>Release: CURRENT (r255948)
>Organization:
>Environment:
# uname -a
FreeBSD aurora.Sisis.de 10.0-ALPHA4 FreeBSD 10.0-ALPHA4 #1: Fri Oct 18 12:10:57 CEST 2013 guru@aurora.Sisis.de:/usr/obj/usr/src/sys/GENERIC i386
>Description:
The output of last -10 stopps in the past (today is May 2):
# last -10
shutdown time Tue Mar 25 17:30
guru ttyv1 Tue Mar 25 17:28 - shutdown (00:02)
guru ttyv0 Tue Mar 25 17:15 - shutdown (00:14)
boot time Tue Mar 25 16:13
shutdown time Tue Mar 25 06:53
guru pts/0 Tue Mar 25 06:41 - 06:53 (00:12)
guru ttyv0 Tue Mar 25 06:39 - shutdown (00:14)
boot time Tue Mar 25 06:38
shutdown time Mon Mar 24 07:04
guru pts/0 Mon Mar 24 06:24 - 07:04 (00:39)sh
trussing shows that not the full file size is read-in:
..
open("utx.log.0",O_CLOEXEC,0666) = 3 (0x3)
fstat(3,{ mode=-rw-r--r-- ,inode=5379456,size=111586,blksize=32768 }) = 0 (0x0)
read(3,"\0\^U\a\0\^D\M-^\^Xr\^Wo\M^H\M-m"...,32768) = 32768 (0x8000)
read(3,"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,32768) = 32768 (0x8000)
read(3,"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,32768) = 32768 (0x8000)
close(3) = 0 (0x0)
..
>How-To-Repeat:
just let grow utx.log enogh
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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