Oops in 2.6.7: swap doesn't seem to happen

From: David N. Welton (davidw_at_eidetix.com)
Date: 07/30/04

  • Next message: Andi Kleen: "[PATCH] Improve pci_alloc_consistent wrapper on preemptive kernels" 
    Date:	Fri, 30 Jul 2004 19:05:25 +0200
To: linux-kernel@vger.kernel.org

    [ Please CC replies to me. Thanks. ]

    Trying to rsync a big directory from one place to another. Not much
    free memory.

    Unable to handle kernel paging request at virtual address 0000186b
      printing eip:
    c015ef88
    *pde = 00000000
    Oops: 0000 [#7]
    Modules linked in: nfs lockd sunrpc floppy sg scsi_mod capability
    commoncap 8139cp ohci_hcd nvidia_agp agpgart evdev ehci_hcd usbcore
    8139too mii crc32 forcedeth isofs zlib_inflate ide_cd cdrom rtc unix
    CPU: 0
    EIP: 0060:[<c015ef88>] Not tainted
    EFLAGS: 00010202 (2.6.7)
    EIP is at __d_lookup+0x68/0x100
    eax: 0000186b ebx: 0000186b ecx: 00000011 edx: f7f00000
    esi: df18df28 edi: 32ae6223 ebp: f6ffff98 esp: df18de58
    ds: 007b es: 007b ss: 0068
    Process rsync (pid: 19544, threadinfo=df18c000 task=d4df2f30)
    Stack: c01245f2 f5e49d80 000003e8 32ae6223 00000000 f7f69834 e360102a
    0000000c
            e360102a df18df28 f7fcd160 df18dec0 c0155b70 d3d4b050 df18dec8
    00000001
            e360102a df18dec0 c6ff6ed4 df18dec8 c015602c df18df28 df18dec8
    df18dec0
    Call Trace:
      [<c01245f2>] in_group_p+0x42/0x80
      [<c0155b70>] do_lookup+0x30/0xb0
      [<c015602c>] link_path_walk+0x43c/0x850
      [<c0156659>] path_lookup+0x69/0x110
      [<c01568c9>] __user_walk+0x49/0x60
      [<c0151f7c>] vfs_lstat+0x1c/0x60
      [<c01526ab>] sys_lstat64+0x1b/0x40
      [<c0113a10>] do_page_fault+0x0/0x4ff
      [<c0104925>] error_code+0x2d/0x38
      [<c0103efb>] syscall_call+0x7/0xb

    Code: 8b 03 0f 18 00 90 8d 6b 98 8b 7c 24 0c 39 7d 14 74 12 8b 1b

    What I notice is that swap is not in use:

                 total used free shared buffers cached
    Mem: 907512 883488 24024 0 66184 658980
    -/+ buffers/cache: 158324 749188
    Swap: 497972 0 497972

    config and other junk available on request.

    Thankyou, 

    -- 
David N. Welton
davidw@eidetix.com
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