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不能登錄到CDE,出現錯誤:file table overflow(文件表溢出)
本文出自: http://www.hp.com.cn (2001-05-30 07:00:00) 

問題描述

運行CDE (通用桌面環境)時，在Xerror日志中顯示有一個錯誤，並且在試圖telnet時，出現同樣的錯誤，為什？

錯誤是：
xserver unable to open /var/x11/xserver/logs/x0.log for writing
server shared memory truncate failed /usr/lib/dld.sl; cannot open
shared memory  ...... file table overflow.

Configuration Info

配置信息 - HP-UX
版本 -10.20
硬件系統 - HP 9000
系列 -C200

解決方法

您改變了幾個內核參數，從而導致此問題的出現。請參考下面的腳本：

# sar -v 5 5

HP-UX cuhp B.10.20 A 9000/782    12/16/97

11:22:47 text-sz  ov  proc-sz  ov  inod-sz  ov  file-sz  ov
11:22:52   N/A   N/A 126/240   0  250/250   0  273/4058  0
11:22:57   N/A   N/A 126/240   0  249/250   0  273/4058  0
11:23:02   N/A   N/A 126/240   0  249/250   0  273/4058  0
11:23:07   N/A   N/A 126/240   0  250/250   0  273/4058  0
11:23:12   N/A   N/A 126/240   0  249/250   0  273/4058  0

# sar -a 5 5

HP-UX cuhp B.10.20 A 9000/782    12/16/97

11:23:19  iget/s namei/s dirbk/s
11:23:24       5       1       3
11:23:29       0       1       0
11:23:34       0       0       0
11:23:39       5       3       4
11:23:44       0       0       0

Average        2       1       1

# /usr/lbin/sysadm/system_prep -v -s system
# cat system
* Drivers and Subsystems
......
* Kernel Device info
......
* Tunable parameters

dbc_max_pct     25
dbc_min_pct     2
default_disk_ir 1
maxdsiz         0X04000000
maxuprc         150
maxusers        96
msgmni          20
nfile           4048
nflocks         50
ninode          250
nproc           240
npty            30
nstrpty         60
scroll_lines    70
semmni          20
shmmni          50
shmseg          50

下面是SAM的系統配置

                           
名稱                       當前值      待定值   描述

NSTRBLKSCHED                 2          2   Number of blockable streams
NSTREVENT                   50         50   Max Number of Outstanding
NSTRPUSH                    16         16   Max Number of Streams
NSTRSCHED                    0          0   Number of streams scheduler
STRCTLSZ                  1024       1024   Max Size of Streams Message
STRMSGSZ                     0          0   Max Size of Streams Message
acctresume                   4          4   Threshold to Resume
acctsuspend                  2          2   Threshold to Suspend
allocate_fs_swapmap          0          0   Allocate Swapmap Space at
bootspinlocks              256        256   Number of spinlocks
bufpages                     0          0   Number of Buffer Pages
create_fastlinks             0          0   Create Fast Symbolic Links
dbc_max_pct                 25         25   Max Dynamic Buffer Cache
dbc_min_pct                  2          2   Min Dynamic Buffer Cache
default_disk_ir              1          1   Immediate report (write
desfree                      0          0
dskless_node                 0          0   Diskless Node Flag
dst                          1          1   Daylight Savings Time policy
eisa_io_estimate           768        768   Estimated number of I/O
eqmemsize                   15         15   Minimum Number of
file_pad                    10         10   Number of file table entries
fs_async                     0          0   Select Asynchronous Writes
hpux_aes_override            0          0   Select strict OSF AES
lotsfree                     0          0
max_async_ports             50         50   Maximum number of asyncdsk
max_thread_proc             64         64
maxdsiz               67108864   67108864   Max Data Segment Size
maxfiles                    60         60   Soft File Limit per Process
maxfiles_lim              1024       1024   Hard File Limit per Process
maxqueuetime                 0          0
maxssiz                8388608    8388608   Max Stack Segment Size
maxswapchunks              256        256   Max Number of Swap Chunks
maxtsiz               67108864   67108864   Max Text Segment Size
maxuprc                    150        150   Max Number of User Processes
maxusers                    96         96   Value of MAXUSERS macro
maxvgs                      10         10   Max Number of Volume Groups
mesg                         1          1   Enable Sys V Messages
minfree                      0          0
msgmap                      42         42   Max Number of Message Map
msgmax                    8192       8192   Message Max Size (bytes)
msgmnb                   16384      16384   Max Number of Bytes on
msgmni                      20         20   Number of Message Queue
msgseg                    2048       2048   Number of Segments Available
msgssz                       8          8   Message Segment Size
msgtql                      40         40   Number of Message Headers
nbuf                         0          0   Number of Buffer Cache
ncallout                   256        256   Max Number of Pending
ncdnode                    150        150   Max Number of Open CDFS
nclist                    1636       1636   Number of cblocks for pty
ndilbuffers                 30         30   Number of DIL Buffers
netisr_priority             -1         -1   Real Time Process Priority
netmemmax                    0          0   Network Dynamic Memory Limit
nfile                     4048       4048   Max Number of Open Files
nflocks                     50         50   Max Number of File Locks
nhtbl_scale                  0          0
ninode                     250        250   Max Number of Open Inodes
nni                          2          2   Number of network interfaces
no_lvm_disks                 0          0   Boolean; Set only if system
nproc                      240        240   Max Number of Processes
npty                        30         30   Number of ptys (pseudo ttys)
nstrpty                     60         60   Max Number of Streams-Based
nswapdev                    10         10   Max Devices that can be
nswapfs                     10         10   Max File Systems that can be
num_clients                  0          0   Approximate number of
o_sync_is_o_dsync            0          0   Enable/disable translation
page_text_to_local           0          0   Enable/disable swapping of
pfail_enabled                0          0   Power Fail Enabled
public_shlibs                1          1   Public Shared Libraries
remote_nfs_swap              0          0   Enable swapping across NFS
rtsched_numpri              32         32   Number of POSIX.1b realtime
scroll_lines                70         70   Number of ITE Off Screen
sema                         1          1   Enable Sys V Semaphores
semaem                   16384      16384   Max Value for Adjust on Exit
semmap                      22         22   Max Number of Semaphore Map
semmni                      20         20   Number of Semaphore
semmns                     128        128   Max Number of Semaphores
semmnu                      30         30   Number of Semaphore Undo
semume                      10         10   Semaphore Undo Entries per
semvmx                   32767      32767   Semaphore Maximum Value
shmem                        1          1   Enable Sys V Shared Memory
shmmax                67108864   67108864   Max Shared Mem Segment
shmmni                      50         50   Number of Shared Memory
shmseg                      50         50   Shared Memory Segments per
streampipes                  0          0   Force All Pipes to be
swapmem_on                   1          1   Allow Memory to Exceed Swap
swchunk                   2048       2048   Swap Chunk Size (1K blocks)
timeslice                   10         10   Scheduling Interval (10 mS
timezone                   420        420   Minutes West of Greenwich
unlockable_mem               0          0   Non-lockable Memory
vme_io_estimate           2048       2048
vmebpn_public_pages          1          1
vmebpn_sockets               1          1
vmebpn_tcp_ip                1          1
vmebpn_total_jobs           16         16

請將下列參數重設為缺省值。
dbc_min_pct     2      ==> 5
msgmni          20     ==> 50
nfile           4048   ==> 790
nflocks         50     ==> 200
ninode          250    ==> 476
nproc           240    ==> 276
npty            30     ==> 60
semmni          20     ==> 64
shmmni          50     ==> 200
shmseg          50     ==> 120



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