新安装的系统上安装Oracle 10.2.0.1.0
OS ：Red Hat Enterprise Linux Server release 5.4 (Tikanga)
Oracle：10.2.0.1.0

重新安装解决问题。

ps:网上找到的答案，对我没有用，保留：
SQL*Plus With Instant Client 10.2.0.1 Hangs, When System Uptime Is More Than 248 Days
metalink上的给出的答案是

Applies to: SQL*Plus – Version: 10.2.0.1.0
Linux x86
SymptomsTrying to invoke SQL*Plus hangs when machine uptime reaches 248 days.

Database connection is not relevant as the ‘sqlplus’ executable itself hangs with or without connection information. It hangs regardless of what parameters are passed in. For example:

sqlplus -V

However, the hang does not reproduce with Instant Client version 10.1.0.4

Generating a stack trace using gdb debugger shows:

#0 0x0048a0dd in times () from /lib/tls/libc.so.6
#1 0×01884599 in sltrgatime64 () from ./libclntsh.so.10.1
#2 0x0137d70f in kghinp () from ./libclntsh.so.10.1
#3 0x00f86b47 in kpuinit0 () from ./libclntsh.so.10.1
#4 0x00f85e7a in kpuenvcr () from ./libclntsh.so.10.1
#5 0x01051b5e in OCIEnvCreate () from ./libclntsh.so.10.1
#6 0x0099787e in afidrv () from ./libsqlplus.so
#7 0x009702b9 in safimTerminate () from ./libsqlplus.so
#8 0x0098c246 in afidrv () from ./libsqlplus.so
#9 0x080486f6 in main ()

Running STRACE tool shows:

$ strace /oracle/home/bin/sqlplus -V 2>&1 |less
……
old_mmap(NULL, 385024, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0×41794000
gettimeofday({1122996561, 411035}, NULL) = 0
access(“/usr/local/UD/conf/sqlnet.ora”, F_OK) = -1 ENOENT (No such file or directory)
access(“/usr/local/UD/lib/oracle/network/admin/sqlnet.ora”, F_OK) = -1 ENOENT (No such file or directory)
access(“/usr/local/UD/conf/sqlnet.ora”, F_OK) = -1 ENOENT (No such file or directory)
access(“/usr/local/UD/lib/oracle/network/admin/sqlnet.ora”, F_OK) = -1 ENOENT (No such file or directory)
fcntl64(-1218313656, F_SETFD, FD_CLOEXEC) = -1 EBADF (Bad file descriptor)
times(NULL) = -1825782405
times(NULL) = -1825782405
times(NULL) = -1825782405
times(NULL) = -1825782405
times(NULL) = -1825782405
times(NULL) = -1825782405
times(NULL) = -1825782405

It is looping on the times() function.

In addition to sqlplus, it has been reported that the netca and dbca tools also hang.

ChangesNew installation of Instant Client 10.2.0.1.0 on Linux platform. CauseThis is a known, unpublished bug.

Bug 4612267 OCI CLIENT IS IN AN INFINITE LOOP WHEN MACHINE UPTIME HITS 248 DAYS

SolutionSelect one of the following two solutions:

1) Apply one-off patch available for 10.2.0.1.
a. Download one-off patch off Metalink:
Patch 4612267
Description OCI CLIENT IS IN AN INFINITE LOOP WHEN MACHINE UPTIME HITS 248 DAYS
Product CORE
Release Oracle 10.2.0.1

b. To apply patch on Instant Client install, please follow instructions documented in the OCI manual.
You can find this in:

http://www.oracle.com/pls/db102/db102.show_toc?which=main&partno=b14250&maxlevel=2&section=&expand=3216

under “Patching Instant Client Shared Libraries on Linux or UNIX”.

2) Wait for Patchset 10.2.0.2 to be available.
According to Bug 4612267, this bug is fixed in version 11, and backported to 10.2.0.2 patchset.
This patchset is estimated to be available mid-Dec 2005; but this is subject to change.

References
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