UPDATE: Very odd ufs symlink hanging (kinda long)

From: Lance Tost (lance.tost@respironics.com)
Date: Wed Jan 14 2004 - 14:35:47 EST


As if it wasn't long enough before. I got one reply that said "it's
probably too late, but you could have used truss..." Well, I did use
truss and submitted it in my Sun ticket! So here's that additional info:

Base time stamp: 1074092072.9456 [ Wed Jan 14 09:54:32 EST 2004 ]
21587: 0.0000 execve("/usr/bin/ln", 0xFFBEFC1C, 0xFFBEFC30) argc = 4
21587: argv: ln -s /oracle/PRD/sapreorg sapreorg10
21587: envp: PWD=/oracle/PRD/920_64 ORACLE_SID=PRD TZ=US/Eastern
21587: PAGER=less HZ=100 HOSTNAME=riuxerp1
21587:
LD_LIBRARY_PATH=/usr/local/lib:/lib:/usr/lib:/usr/share/lib:/opt/gnome/lib
21587:
MANPATH=/usr/man:/usr/share/man:/usr/local/man:/usr/openwin/share/man:/usr/dt/man:/usr/perl5/man:/usr/opt/SUNWesm/ma
n
21587: PS1=\u@\h[\W]# MACHTYPE=sparc-sun-solaris OLDPWD=/ LINES=25
21587: EDITOR=vi ORACLE_HOME=/oracle/PRD/817_32
21587: DISPLAY=pluto1.respironics.com:0 LOGNAME=root SHLVL=1
21587: COLUMNS=93 SHELL=/sbin/sh HOSTTYPE=sparc OSTYPE=solaris
21587: HOME=/ TERM=vt100
21587:
PATH=/usr/local/SUNWns6:/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin:/opt/gnome/bin:/usr/dt/bin:/usr
/openwin/bin://bin:/usr/opt/SUNWesm/sbin
21587: _=/bin/truss
21587: 0.0099 mmap(0x00000000, 8192, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANON, -1, 0) = 0xFF3A0000
21587: 0.0102 resolvepath("/usr/lib/ld.so.1", "/usr/lib/ld.so.1", 1023)
= 16
21587: 0.0104 open("/var/ld/ld.config", O_RDONLY) Err#2
ENOENT
21587: 0.0107 stat("/usr/local/lib/libc.so.1", 0xFFBEF344) Err#2
ENOENT
21587: 0.0109 stat("/lib/libc.so.1", 0xFFBEF344) = 0
21587: d=0x01540067 i=572036 m=0100755 l=1 u=0 g=2
sz=1157900
21587: at = Jan 14 09:54:32 EST 2004 [ 1074092072 ]
21587: mt = Jun 18 23:06:35 EDT 2003 [ 1055991995 ]
21587: ct = Jan 11 12:57:30 EST 2004 [ 1073843850 ]
21587: bsz=8192 blks=2288 fs=ufs
21587: 0.0117 open("/lib/libc.so.1", O_RDONLY) = 3
21587: 0.0118 fstat(3, 0xFFBEF344) = 0
21587: d=0x01540067 i=572036 m=0100755 l=1 u=0 g=2
sz=1157900
21587: at = Jan 14 09:54:32 EST 2004 [ 1074092072 ]
21587: mt = Jun 18 23:06:35 EDT 2003 [ 1055991995 ]
21587: ct = Jan 11 12:57:30 EST 2004 [ 1073843850 ]
21587: bsz=8192 blks=2288 fs=ufs
21587: 0.0123 mmap(0x00000000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE,
3, 0) = 0xFF390000
21587: 0.0125 mmap(0x00000000, 802816, PROT_READ|PROT_EXEC, MAP_PRIVATE,
3, 0) = 0xFF280000
21587: 0.0126 mmap(0xFF33C000, 24764, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED, 3, 704512) = 0xFF33C000
21587: 0.0129 munmap(0xFF32C000, 65536) = 0
21587: 0.0133 memcntl(0xFF280000, 113504, MC_ADVISE, MADV_WILLNEED, 0,
0) = 0
21587: 0.0134 close(3) = 0
21587: 0.0135 stat("/usr/local/lib/libdl.so.1", 0xFFBEF344) Err#2
ENOENT
21587: 0.0137 stat("/lib/libdl.so.1", 0xFFBEF344) = 0
21587: d=0x01540067 i=571419 m=0100755 l=1 u=0 g=2 sz=5292
21587: at = Jan 14 09:54:32 EST 2004 [ 1074092072 ]
21587: mt = Apr 15 22:14:58 EDT 2003 [ 1050459298 ]
21587: ct = Jan 11 12:57:30 EST 2004 [ 1073843850 ]
21587: bsz=8192 blks=12 fs=ufs
21587: 0.0142 open("/lib/libdl.so.1", O_RDONLY) = 3
21587: 0.0144 fstat(3, 0xFFBEF344) = 0
21587: d=0x01540067 i=571419 m=0100755 l=1 u=0 g=2 sz=5292
21587: at = Jan 14 09:54:32 EST 2004 [ 1074092072 ]
21587: mt = Apr 15 22:14:58 EDT 2003 [ 1050459298 ]
21587: ct = Jan 11 12:57:30 EST 2004 [ 1073843850 ]
21587: bsz=8192 blks=12 fs=ufs
21587: 0.0149 mmap(0xFF390000, 8192, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED, 3, 0) = 0xFF390000
21587: 0.0150 close(3) = 0
21587: 0.0152 stat("/usr/platform/SUNW,Sun-Fire/lib/libc_psr.so.1",
0xFFBEF154
) = 0
21587: d=0x01540067 i=136634 m=0100755 l=1 u=0 g=2 sz=4848
21587: at = Jan 14 09:54:32 EST 2004 [ 1074092072 ]
21587: mt = Jul 10 07:26:06 EDT 2000 [ 963228366 ]
21587: ct = Jan 11 12:57:28 EST 2004 [ 1073843848 ]
21587: bsz=8192 blks=10 fs=ufs
21587: 0.0158 open("/usr/platform/SUNW,Sun-Fire/lib/libc_psr.so.1",
O_RDONLY) = 3
21587: 0.0160 fstat(3, 0xFFBEF154) = 0
21587: d=0x01540067 i=136634 m=0100755 l=1 u=0 g=2 sz=4848
21587: at = Jan 14 09:54:32 EST 2004 [ 1074092072 ]
21587: mt = Jul 10 07:26:06 EDT 2000 [ 963228366 ]
21587: ct = Jan 11 12:57:28 EST 2004 [ 1073843848 ]
21587: bsz=8192 blks=10 fs=ufs
21587: 0.0165 mmap(0x00000000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE,
3, 0) = 0xFF380000
21587: 0.0166 close(3) = 0
21587: 0.0180 brk(0x000267B8) = 0
21587: 0.0181 brk(0x000287B8) = 0
21587: 1.5169 stat64("sapreorg10", 0x00026540) Err#2
ENOENT

-- the pause occurs right after this stat64 above --

21587: 55.7514 symlink("/oracle/PRD/sapreorg", "sapreorg10") = 0
21587: 55.7521 llseek(0, 0, SEEK_CUR) = 44843
21587: 55.7522 _exit(0)
(END)

-- 
Lance Tost, Systems Engineer
lance.tost@respironics.com
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