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SubjectRe: ps problem with new kernels
Date
	There is a patch at http://www2.nether.net/~jared/victim.html
for this, as there were some more changes in the /proc filesystem
in 1.3.91

- Jared

Dave Rynne just happened to explain this to us:
> I don't know if anybody else is having this problem but here is
> something I noticed last night not long after booting 1.3.94. Everything
> appeared to be working fine until I started up X (under my normal user
> account rather than as root). Then doing a ps -auxwww as root gave the
> following:
>
> root@Zoso:~# ps -auxwww
> USER PID %CPU %MEM SIZE RSS TTY STAT START TIME COMMAND
> dave 62 0.0 7.0 1132 488 ? S 23:12 0:00 -sh
> root 1 0.0 1.2 780 88 ? S 23:12 0:01 init
> root 2 0.0 0.0 0 0 ? SW 23:12 0:00 (kflushd)
> root 3 0.0 0.0 0 0 ? SW< 23:12 0:00 (kswapd)
> root 8 0.0 0.8 764 60 ? S 23:12 0:00 /sbin/kerneld
> root 11 0.0 0.4 840 32 ? S 23:12 0:00 update (bdflush)
> root 38 0.0 2.5 872 176 ? S 23:12 0:00 /usr/sbin/crond -l8
> root 50 0.0 1.9 880 136 ? S 23:12 0:00 /usr/sbin/syslogd
> root 52 0.0 1.3 860 92 ? S 23:12 0:00 /usr/sbin/klogd
> root 54 0.0 0.0 880 0 ? SW 23:12 0:00 (inetd)
> root 56 0.0 0.0 1088 0 ? SW 23:12 0:00 (httpd)
> root 60 0.0 2.7 1072 188 ? S 23:12 0:00 sendmail: accepting connections
> root 63 0.0 0.0 120 0 ? SW 23:12 0:00 (agetty)
> root 64 0.0 0.0 120 0 ? SW 23:12 0:00 (agetty)
> root 65 0.0 0.0 120 0 ? SW 23:12 0:00 (agetty)
> root 66 0.0 0.0 120 0 ? SW 23:12 0:00 (agetty)
> root 134 0.0 7.2 1132 500 ? S 23:17 0:00 -sh
> root 196 0.0 4.9 812 340 ? R 01:36 0:00 ps -auxwww
>
> (note the TTYs)
>
> and ``w'' returned this:
>
> root@Zoso:~# w
> 1:36am up 2:24, 2 users, load average: 0.03, 0.08, 0.03
> User tty login@ idle JCPU PCPU what
> dave tty1 11:13pm -
> root tty6 11:18pm -
>
> Note: I was not su'd or anything like that on tty1 (just logged in as
> normal).
>
> This only appeared as soon as I started up X (from non superuser account)
> and remained after X was shutdown again. Using the same commands under a
> normal user account reports everything as it should be.
>
> i.e.
>
> dave@Zoso:~$ w
> 1:37am up 2:25 2 users, load average: 0.03, 0.08, 0.03
> User tty login@ idle JCPU PCPU what
> dave tty1 11:13pm w
> root tty6 11:18pm -sh
>
> I didn't notice this under 1.3.91 or previous and I didn't get a chance to
> build 1.3.92 and 1.3.93 so I can't comment on those. Also, the kernel built
> cleanly so I'm ruling out problems with the make and I'm using the latest
> versions of what the kernel docs tell me I should be using (or at least
> they were the latest versions two days ago).
>
> I cold booted the machine later and checked again to see if this was still
> happening and it was. What's really confusing me is that it only appears to
> be screwed up for root - I thought that root should have no trouble reading
> process information and not as it is above.
>
>
> Any ideas?
>
> Dave
> --
> Dave Rynne email: darynne@nox.nyx.net
> University College, dave@galway-guide.com
> Galway, Dave.Rynne@ucg.ie
> Ireland. www: http://www.nyx.net/~darynne/
>



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