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[K12OSN] Server Unable to access SWAP space



I have a server with 1GB of RAM with 35 users connected, It was working
fine with
Star-office5.2 , KDE and Netscape ,
The application were accessing Swap memory regularly.
All of a sudden , it gave me Kernel error , after that the Swap area on
the hard-disk is not accessible and when the linux try to get into SWAP
area , the Server Hangs.

What could be the problem,
How can i activate the SWAP area again.

I am attaching the log message when the Linux Hangs.

Please do the needful as this server is my live production server,

Regards
Dinesh

The error message is as follows.
***********************

Jan 20 08:51:33 vcare_oaserver kernel:  <1>Unable to handle kernel
paging request at virtual address 39c44ad3
Jan 20 08:51:33 vcare_oaserver kernel:  printing eip:
Jan 20 08:51:33 vcare_oaserver kernel: c0136710
Jan 20 08:51:33 vcare_oaserver kernel: *pde = 00000000
Jan 20 08:51:33 vcare_oaserver kernel: Oops: 0000
Jan 20 08:51:33 vcare_oaserver kernel: binfmt_misc nfsd lockd sunrpc
autofs 8139too mii ide-scsi ide-cd cdrom st usb-
Jan 20 08:51:33 vcare_oaserver kernel: CPU:    0
Jan 20 08:51:33 vcare_oaserver kernel: EIP:    0010:[<c0136710>]    Not
tainted
Jan 20 08:51:33 vcare_oaserver kernel: EFLAGS: 00010206
Jan 20 08:51:33 vcare_oaserver kernel:
Jan 20 08:51:33 vcare_oaserver kernel: EIP is at page_remove_rmap
[kernel] 0x50 (2.4.18-3)
Jan 20 08:51:33 vcare_oaserver kernel: eax: 39c44acf   ebx: c2b6cd58
ecx: c1000030   edx: e8914d60
Jan 20 08:51:33 vcare_oaserver kernel: esi: e8914d60   edi: e85ed238
ebp: 7d5f3025   esp: e87ebeb0
Jan 20 08:51:33 vcare_oaserver kernel: ds: 0018   es: 0018   ss: 0018
Jan 20 08:51:33 vcare_oaserver kernel: Process kdeinit (pid: 2647,
stackpage=e87eb000)
Jan 20 08:51:33 vcare_oaserver kernel: Stack: 0009a000 e8914d60 00090000
c01253a1 00000034 00000000 40762000 e87e9404
Jan 20 08:51:33 vcare_oaserver kernel:        406c8000 00000000 40762000
e87e9404 c2688340 c1c40030 c02c4870 00000206
Jan 20 08:51:33 vcare_oaserver kernel:        fffffffc 00005e01 0013e000
0012e000 0009a000 0009a000 406c8000 00000001
Jan 20 08:51:33 vcare_oaserver kernel: Call Trace: [<c01253a1>]
do_zap_page_range [kernel] 0x181
Jan 20 08:51:33 vcare_oaserver kernel: [<c0125900>] zap_page_range
[kernel] 0x50
Jan 20 08:51:33 vcare_oaserver kernel: [<c01280da>] exit_mmap [kernel]
0xca
Jan 20 08:51:33 vcare_oaserver kernel: [<c0116776>] mmput [kernel] 0x26
Jan 20 08:51:33 vcare_oaserver kernel: [<c011aaa3>] do_exit [kernel]
0xb3
Jan 20 08:51:33 vcare_oaserver kernel: [<c0138e3b>] sys_read [kernel]
0xeb
Jan 20 08:51:33 vcare_oaserver kernel: [<c0127d34>] sys_munmap [kernel]
0x34
Jan 20 08:51:34 vcare_oaserver kernel: [<c0108923>] system_call [kernel]
0x33
Jan 20 08:51:34 vcare_oaserver kernel:
Jan 20 08:51:34 vcare_oaserver kernel:
********************





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