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Re: [K12OSN] Server Unable to access SWAP space



Thanks for the immd. reply,
How i can reactivate the swap space , the server was working for last six
months , with no slowdown in response for the users.

thanks once again

Caleb Wagnon wrote:

> I believe your server is terribly overloaded. I wouldn't doubt that your
> swap file is getting full. You at least need some more Ram. 35 users
> with one gig is really stretching it not to mention when you add star
> office, kde, and netscape. I know that's not the answer you wanted to
> hear!
>
> Caleb Wagnon, MCP
> Fordyce School District
> Office of Technology
> Fordyce, Arkansas 71742
> (870) 352-2968
>
> Linux...
> "Find out what you've been missing while you've been rebooting Windows"
>
> -----Original Message-----
> From: k12osn-admin redhat com [mailto:k12osn-admin redhat com] On Behalf
> Of vcare
> Sent: Monday, January 20, 2003 9:58 PM
> To: ltsp-discuss lists sourceforge net; k12osn redhat com
> Subject: [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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