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SubjectHigh FS Activity Crash
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Ok, on my fileserver I'm running Redhat 7.2 with Redhat kernel 2.4.7-10 
and when I have a large number of people downloading from me at one
time, Samba, ProFTPD, Apache, and SSH all stop responding, and I get the
following in my log, the only thing special I could think about my setup
is I have 3 NIC's bonded together to be load balanced on the same IP,
any ideas?

Jan 6 00:42:39 anubis kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000024
Jan 6 00:42:39 anubis kernel: printing eip:
Jan 6 00:42:39 anubis kernel: c0135cb0
Jan 6 00:42:39 anubis kernel: *pde = 00000000
Jan 6 00:42:39 anubis kernel: Oops: 0002
Jan 6 00:42:39 anubis kernel: CPU: 0
Jan 6 00:42:39 anubis kernel: EIP:
0010:[__remove_from_lru_list+32/112]
Jan 6 00:42:39 anubis kernel: EIP: 0010:[<c0135cb0>]
Jan 6 00:42:39 anubis kernel: EFLAGS: 00010286
Jan 6 00:42:39 anubis kernel: eax: 00000000 ebx: ce310cc0 ecx:
ce310cc0 edx: c9b708c0
Jan 6 00:42:39 anubis kernel: esi: ce310cc0 edi: ce310cc0 ebp:
00000000 esp: c1427f28
Jan 6 00:42:39 anubis kernel: ds: 0018 es: 0018 ss: 0018
Jan 6 00:42:39 anubis kernel: Process kswapd (pid: 5,
stackpage=c1427000)
Jan 6 00:42:39 anubis kernel: Stack: c0135d8d ce310cc0 00000000
c0138890 ce310cc0 00000003 c1690800 c13f4a64
Jan 6 00:42:39 anubis kernel: 00000080 c012cc6a 00000000
c13f4a64 00000000 00000007 c012cfe3 c13f4a64
Jan 6 00:42:39 anubis kernel: 00000080 00000000 00000000
0000000d 000093b6 00000000 c0243600 00000000
Jan 6 00:42:39 anubis kernel: Call Trace: [__remove_from_queues+45/48]
[try_to_free_buffers+112/272] [try_to_release_page+58/96]
[do_page_launder+851/2112] [page_launder+40/96]
Jan 6 00:42:39 anubis kernel: Call Trace: [<c0135d8d>] [<c0138890>]
[<c012cc6a>] [<c012cfe3>] [<c012d4f8>]
Jan 6 00:42:39 anubis kernel: [do_try_to_free_pages+18/96]
[kswapd+94/272] [_stext+0/48] [_stext+0/48] [kernel_thread+38/48]
[kswapd+0/272]
Jan 6 00:42:39 anubis kernel: [<c012d922>] [<c012d9ce>] [<c0105000>]
[<c0105000>] [<c0105716>] [<c012d970>]
Jan 6 00:42:39 anubis kernel:
Jan 6 00:42:39 anubis kernel: Code: 89 50 24 8b 44 24 08 8d 14 85 00 00
00 00 39 8a 6c 21 2b c0

--
Adam Voigt (adam@cryptocomm.com)
The Cryptocomm Group
My GPG Key: http://64.238.252.49:8080/adam_at_cryptocomm.asc
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