[6448] in RedHat Linux List
Re: ps axf
daemon@ATHENA.MIT.EDU (Hal DeVore)
Wed Nov 27 11:52:37 1996
To: redhat-list@redhat.com
Cc: Gabriel Akos <gabriel@rocker.sch.bme.hu>
In-Reply-To: Your message of "Thu, 28 Nov 1996 01:18:39 +1100."
<Pine.LNX.3.95.961128011726.10706J-100000@archenland.interweft.com.au>
Reply-To: hdevore@bmc.com
Date: Wed, 27 Nov 1996 10:50:32 -0600
From: Hal DeVore <hdevore@erehwon.bmc.com>
Resent-From: redhat-list@redhat.com
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To: redhat-list@redhat.com
Cc: Gabriel Akos <gabriel@rocker.sch.bme.hu>
Subject: Re: ps axf
In-Reply-To: Your message of "Thu, 28 Nov 1996 01:18:39 +1100."
<Pine.LNX.3.95.961128011726.10706J-100000@archenland.interweft.com.au>
Reply-To: hdevore@bmc.com
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Hm... breaks for me, too. For some reason "ps axf" names process 2
"(\005\005)" but "ps af" names it "(kflushd)"
I am on a clean install of RedHat 4.0 for x86 with all the fixes currently
available at ftp://ftp.redhat.com/pub/redhat/redhat-4.0/updates/i386/
--Hal
erehwon$ rpm -qf $(which ps)
procps-1.01-7
erehwon$ ls -l $(which ps)
-r-xr-xr-x 1 root root 25632 Aug 14 10:35 /bin/ps*
erehwon$ ps ax|wc -l
71
erehwon$ ps axf
PID TTY STAT TIME COMMAND
1 ? S 1:19 init [5]
2 ? SW 0:04 (\005\005)
[[[ snip ]]]
7440 ? S 0:10 sendmail: accepting connections
Segmentation fault (core dumped)
erehwon$ gdb $(which ps) core
(no debugging symbols found)...
Core was generated by `ps axf'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libc.so.5.3.12...(no debugging symbols
found)...done.
Reading symbols from /lib/ld-linux.so.1...(no debugging symbols
found)...done.
#0 0x804bcd1 in free ()
(gdb) where
#0 0x804bcd1 in free ()
#1 0x3a in ?? ()
#2 0x80499d9 in free ()
#3 0x804a327 in free ()
#4 0x804a50e in free ()
#5 0x804996e in free ()
#6 0x8049656 in free ()
#7 0x8048f8b in free ()
erehwon$ strace ps axf
[[[snip many lines]]]
stat("/proc/32677", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
open("/proc/32677/stat", O_RDONLY) = 6
read(6, "32677 (amd) S 1 32667 32177 0 -1"..., 255) = 206
close(6) = 0
open("/proc/32677/cmdline", O_RDONLY) = 6
read(6, "/usr/sbin/amd\0-a\0/.automount\0"..., 2047) = 68
close(6) = 0
stat("/proc/8080", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
open("/proc/8080/stat", O_RDONLY) = 6
read(6, "8080 (smbd) S 257 257 257 0 -1 1"..., 255) = 206
close(6) = 0
open("/proc/8080/cmdline", O_RDONLY) = 6
read(6, "smbd\0-D", 2047) = 7
close(6) = 0
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++
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