Subject: pstat -f
To: Current Users <current-users@netbsd.org>
From: Chavdar Ivanov <ci4ic4@gmail.com>
List: current-users
Date: 12/29/2007 21:35:09
Hi,
This stops working on my i386 -current system after a few minutes. I
can't pinpoint to any particular program causing it - usually after
Gnome and Firefox with a few tabs open (but it may be just a
coincidence). I get :-
% cat screenlog.0
lisa# pstat -f
370/1772 open files
LOC TYPE FLG CNT MSG DATA USE IFLG OFFSET
e0e26b84 file R 0 0 ccaa7910 0 1 0
e0e26bc8 file R 1 0 ccaa7cbc 0 0 0
....
cc8eaf24 file RW 5 0 cb2beb04 0 0 1334
cc8eaf68 socket RW 1 0 c1dccd20 0 0 0
lisa# /usr/local/bin/@home.wpi
add net default: gateway 192.168.2.1
wpi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ssid wg15
powersave off
bssid 00:04:e2:af:a3:40 chan 4
address: 00:13:02:b5:74:0f
media: IEEE802.11 autoselect (OFDM24 mode 11g)
status: active
inet 192.168.2.201 netmask 0xffffff00 broadcast 192.168.2.255
inet6 fe80::213:2ff:feb5:740f%wpi0 prefixlen 64 scopeid 0x1
lisa# pstat -f
370/1772 open files
LOC TYPE FLG CNT MSG DATA USE IFLG OFFSET
e0e26b84 file R 0 0 ccaa7910 0 1 0
e0e26bc8 file R 0 0 e0f342a0 0 1 227
....
cc8eaf68 socket RW 1 0 c1dccd20 0 0 0
lisa# pstat -f
705/1772 open files
LOC TYPE FLG CNT MSG DATA USE IFLG OFFSET
dfbe40f8 file R 0 0 dfc76008 0 1 43
dfbe413c socket RW 0 0 0 0 1 0
dfbe4180 file R 0 0 cc9fed74 0 1 0
cd11b55c socket RW 1 0 c230ae18 1 0 0
...
cc8eaee0 file WA 12 0 cd46fcc0 0 0 4472842
cc8eaf24 file RW 5 0 cb2beb04 0 0 1334
cc8eaf68 socket RW 1 0 c1dccd20 0 0 0
lisa# pstat -f
pstat: sysctl: KERN_FILE: Cannot allocate memory
lisa#
Here is the ktruss output, if of any help:-
pstat: sysctl: KERN_FILE: Cannot allocate memory
1545 1 ktruss emul(netbsd)
1545 1 ktruss fktrace = 0
1545 1 ktruss fcntl(0x4, 0x3, 0) = 1
1545 1 ktruss fcntl(0x4, 0x4, 0x1) = 0
1545 1 pstat emul(netbsd)
1545 1 pstat execve("/usr/sbin/pstat", 0xbfbfdbb0,
0xbfbfdbbc) JUSTRETURN
1545 1 pstat mmap(0, 0x8000, 0x3, 0x1002, 0xffffffff, 0, 0,
0) = 0xbbbe9000
1545 1 pstat open("/usr/libexec/ld.elf_so", 0, 0) = 3
1545 1 pstat __fstat30(0x3, 0xbfbfd6bc) = 0
1545 1 pstat mmap(0, 0x37, 0x1, 0x1, 0x3, 0, 0, 0) = 0xbbbe8000
1545 1 pstat close(0x3) = 0
1545 1 pstat munmap(0xbbbe8000, 0x37) = 0
1545 1 pstat open("/etc/ld.so.conf", 0, 0) = 3
1545 1 pstat __fstat30(0x3, 0xbfbfd3bc) = 0
1545 1 pstat mmap(0, 0x1000, 0x1, 0x1, 0x3, 0, 0, 0) = 0xbbbe8000
1545 1 pstat munmap(0xbbbe8000, 0x1000) = 0
1545 1 pstat mmap(0, 0x7000, 0x5, 0x2, 0x3, 0, 0, 0) = 0xbbbe2000
1545 1 pstat mmap(0xbbbe8000, 0x1000, 0x3, 0x12, 0x3, 0,
0x5000, 0) = 0xbbbe8000
1545 1 pstat mmap(0xbbbe9000, 0, 0x3, 0x1012, 0xffffffff, 0,
0, 0) = 0xbbbe9000
1545 1 pstat close(0x3) = 0
1545 1 pstat open("/usr/lib/libkvm.so.5", 0, 0xbfbfd3bc) = 3
1545 1 pstat __fstat30(0x3, 0xbfbfd3bc) = 0
1545 1 pstat mmap(0, 0x1000, 0x1, 0x1, 0x3, 0, 0, 0) = 0xbbbe1000
1545 1 pstat munmap(0xbbbe1000, 0x1000) = 0
1545 1 pstat mmap(0, 0xe9000, 0x5, 0x2, 0x3, 0, 0, 0) = 0xbbaf9000
1545 1 pstat mmap(0xbbbcb000, 0x7000, 0x3, 0x12, 0x3, 0,
0xd2000, 0) = 0xbbbcb000
1545 1 pstat mmap(0xbbbd2000, 0x10000, 0x3, 0x1012,
0xffffffff, 0, 0, 0) = 0xbbbd2000
1545 1 pstat close(0x3) = 0
1545 1 pstat __sysctl(0xbfbfdae4, 0x2, 0x804d738,
0xbfbfdaec, 0, 0) = 0
1545 1 pstat getegid() = 2
1545 1 pstat getgid() = 0, 2
1545 1 pstat setegid(0) = 0
1545 1 pstat setegid(0x2) = 0
1545 1 pstat __sysctl(0xbfbfce78, 0x2, 0xbbbd9b9c,
0xbfbfce80, 0, 0) = 0
1545 1 pstat __sysctl(0xbfbfcdd4, 0x2, 0xbfbfce2c,
0xbfbfce30, 0, 0) = 0
1545 1 pstat readlink("/usr/lib/libc.so.12", 0xbfbfce85, 0x400) = 1
1545 1 pstat issetugid() = 1
1545 1 pstat break(0x804d8ac) = 0
1545 1 pstat break(0x804d8ac) = 0
1545 1 pstat break(0x8100000) = 0
1545 1 pstat mmap(0, 0x100000, 0x3, 0x14001002, 0xffffffff,
0, 0, 0) = 0xbb900000
1545 1 pstat __sysctl(0xbfbfd1f8, 0x2, 0xbbbe08a0,
0xbfbfd200, 0, 0) = 0
1545 1 pstat __sysctl(0xbfbfd2dc, 0x2, 0xbbbe8be1,
0xbfbfd2e4, 0, 0) = 0
1545 1 pstat __stat30("/etc/malloc.conf", 0xbfbfd25c) = 0
1545 1 pstat open("/netbsd", 0, 0) = 3
1545 1 pstat fcntl(0x3, 0x2, 0x1) = 0
1545 1 pstat __fstat30(0x3, 0xbfbfd25c) = 0
1545 1 pstat open("/dev/mem", 0, 0) = 5
1545 1 pstat fcntl(0x5, 0x2, 0x1) = 0
1545 1 pstat open("/dev/kmem", 0, 0) = 6
1545 1 pstat fcntl(0x6, 0x2, 0x1) = 0
1545 1 pstat open("/dev/drum", 0, 0) = 7
1545 1 pstat fcntl(0x7, 0x2, 0x1) = 0
1545 1 pstat close(0x7) = 0
1545 1 pstat getgid() = 0, 2
1545 1 pstat setgid(0) = 0
1545 1 pstat open("/dev/ksyms", 0, 0) = 7
1545 1 pstat fcntl(0x7, 0x2, 0x1) = 0
1545 1 pstat pread(0x7, 0xbfbfd278, 0x20, 0, 0, 0) = 32
"\^?ELF\^A\^A\^A\0\0\0\0\0\0\0\0\0\^B\0\^C\0\^A\0\0\0\0\0\^P\M-@4\0\0"
1545 1 pstat __fstat30(0x7, 0xbfbfd1e8) = 0
1545 1 pstat pread(0x7, 0xbfbfd264, 0x34, 0, 0, 0) = 52
"\^?ELF\^A\^A\^A\0\0\0\0\0\0\0\0\0\^B\0\^C\0\^A\0\0\0\0\0\^P\M-@4\0\0"
1545 1 pstat ioctl(0x7, KIOCGSYMBOL, 0xbfbfd25c) = 0
"\M-B\M-<\^D\bL\M-R\M-?\M-?"
1545 1 pstat ioctl(0x7, KIOCGSYMBOL, 0xbfbfd25c) = 0
"\M-M\M-<\^D\bL\M-R\M-?\M-?"
1545 1 pstat ioctl(0x7, KIOCGSYMBOL, 0xbfbfd25c) = 0
"\M-X\M-<\^D\bL\M-R\M-?\M-?"
1545 1 pstat ioctl(0x7, KIOCGSYMBOL, 0xbfbfd25c) = 0
"\M-`\M-<\^D\bL\M-R\M-?\M-?"
1545 1 pstat ioctl(0x7, KIOCGSYMBOL, 0xbfbfd25c) = 0
"\M-j\M-<\^D\bL\M-R\M-?\M-?"
1545 1 pstat ioctl(0x7, KIOCGSYMBOL, 0xbfbfd25c) = 0
"\M-u\M-<\^D\bL\M-R\M-?\M-?"
1545 1 pstat close(0x7) = 0
1545 1 pstat pread(0x5, 0xbfbfd2f0, 0x4, 0, 0xc0a13098, 0) = 4
"\M-l\^F\0\0"
1545 1 pstat __sysctl(0xbfbfd2b0, 0x2, 0, 0xbfbfd2b8, 0, 0) = 0
1545 1 pstat __sysctl(0xbfbfd2b0, 0x2, 0xbb902000,
0xbfbfd2b8, 0, 0) Err#12 ENOMEM
1545 1 pstat write(0x2, 0xbfbfcb14, 0x7) = 7
"pstat: "
1545 1 pstat write(0x2, 0xbfbfcb44, 0x11) = 17
"sysctl: KERN_FILE"
1545 1 pstat write(0x2, 0xbbbc4e2c, 0x2) = 2
": "
1545 1 pstat issetugid() = 1
1545 1 pstat issetugid() = 1
1545 1 pstat open("/dev/ksyms", 0, 0xbfbfc4a4) Err#2 ENOENT
1545 1 pstat open("/usr/share/nls/nls.alias.db", 0, 0xbfbfc508) = 7
1545 1 pstat fcntl(0x7, 0x2, 0x1) = 0
1545 1 pstat __fstat30(0x7, 0xbfbfc498) = 0
1545 1 pstat mmap(0, 0x5f0, 0x1, 0x2, 0x7, 0, 0, 0) = 0xbbaf8000
1545 1 pstat close(0x7) = 0
1545 1 pstat munmap(0xbbaf8000, 0x5f0) = 0
1545 1 pstat open("/usr/share/nls/nls.alias", 0, 0xbfbfc928) = 7
1545 1 pstat __fstat30(0x7, 0xbfbfc928) = 0
1545 1 pstat mmap(0, 0x10be, 0x1, 0x1, 0x7, 0, 0, 0) = 0xbbaf7000
1545 1 pstat close(0x7) = 0
1545 1 pstat munmap(0xbbaf7000, 0x10be) = 0
1545 1 pstat write(0x2, 0xbfbfcb14, 0x17) = 23
"Cannot allocate memory\n"
1545 1 pstat exit(0)
(248)-~#
From this moment on, I cannot run 'pstat -f' at all, even if I stop
all memory hogging programs.
(248)-~# uname -a
NetBSD lisa 4.99.46 NetBSD 4.99.46 (GENERIC) #2: Sat Dec 29 15:13:03
GMT 2007 root@lisa:/usr/obj/sys/arch/i386/compile/GENERIC i386
(249)-~# file /usr/sbin/pstat
/usr/sbin/pstat: setgid ELF 32-bit LSB executable, Intel 80386,
version 1 (SYSV), for NetBSD 4.99.45, dynamically linked (uses shared
libs), not stripped
(same with the original 4.99.45 kernel).
The kernel is GENERIC + the following in GENERIC.local:
...
i915drm* at vga? # Intel i915, i945 DRM driver
pseudo-device putter
file-system PUFFS # experimental - Userspace file system support
options VGA_POST
options X86EMU # 386 Real Mode emulator
There is enough memory:
# top -n
load averages: 0.16, 0.12, 0.09 up 0 days, 1:08 21:36:25
84 processes: 83 sleeping, 1 on processor
CPU0 states: % user, % nice, % system, % interrupt, % idle
CPU1 states: % user, % nice, % system, % interrupt, % idle
Memory: 316M Act, 64K Inact, 7208K Wired, 69M Exec, 60M File, 556M Free
Swap: 1025M Total, 1025M Free
PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND
854 ci 85 0 4832K 78M select/1 1:55 6.59% 6.59% firefox-bin
752 root 85 0 1836K 26M select/0 1:03 0.73% 0.73% Xorg
551 root 85 0 764K 2120K select/0 0:22 0.00% 0.00% famd
739 ci 85 0 500K 8776K select/0 0:10 0.00% 0.00% npviewer.bin
895 ci 85 0 4832K 21M select/0 0:07 0.00% 0.00% gnome-termin
1034 ci 85 0 4832K 16M select/0 0:05 0.00% 0.00% metacity
0 root 125 0 0K 80M schedu/0 0:02 0.00% 0.00% [system]
656 ci 85 0 4832K 23M select/0 0:02 0.00% 0.00% gnome-panel
851 ci 85 0 5856K 23M select/0 0:02 0.00% 0.00% nautilus
502 ci 85 0 4832K 17M select/0 0:02 0.00% 0.00% mixer_applet
1258 ci 85 0 4832K 17M select/0 0:01 0.00% 0.00% wnck-applet
569 mysql 85 0 6880K 14M select/1 0:01 0.00% 0.00% mysqld
194 ci 85 0 4832K 12M select/0 0:01 0.00% 0.00% gconfd-2
175 ci 85 0 4832K 10M select/0 0:01 0.00% 0.00% multiload-ap
1512 ci 85 0 4832K 4308K select/1 0:01 0.00% 0.00% gnome-screen
1205 root 43 0 752K 972K CPU/0 0:00 0.00% 0.00% top
498 ci 85 0 4832K 17M select/0 0:00 0.00% 0.00% stickynotes_
133 named 85 0 2784K 16M sigwai/0 0:00 0.00% 0.00% named
....
I don't see any other problems with the system otherwise (not that
this is a problem for me, but it may lead to something).
--
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