Subj : Unable to handle kernel paging request
To   : comp.os.linux
From : misaksen
Date : Tue Sep 07 2004 07:20 am

Hi!

Does anybody know what this means? It happens a couple of times each
month on my mailserver.

Sep  6 22:32:08 localhost kernel:  <1>Unable to handle kernel paging
request at virtual address 004c0004
Sep  6 22:32:08 localhost kernel:  printing eip:
Sep  6 22:32:08 localhost kernel: c0143ee0
Sep  6 22:32:08 localhost kernel: *pde = 00000000
Sep  6 22:32:08 localhost kernel: Oops: 0000
Sep  6 22:32:08 localhost kernel: ipt_state iptable_nat ip_conntrack
iptable_filter ip_tables 8139too mii sis900 keybdev mous
edev input usbcore ext3 jbd
Sep  6 22:32:08 localhost kernel: CPU:    0
Sep  6 22:32:08 localhost kernel: EIP:    0060:[<c0143ee0>]    Not
tainted
Sep  6 22:32:08 localhost kernel: EFLAGS: 00010246
Sep  6 22:32:08 localhost kernel:
Sep  6 22:32:08 localhost kernel: EIP is at page_add_rmap [kernel]
0xc0 (2.4.20-8)
Sep  6 22:32:08 localhost kernel: eax: 00000000   ebx: 004c0000   ecx:
c1000030   edx: 026d02c8
Sep  6 22:32:08 localhost kernel: esi: c10c5098   edi: c4432c80   ebp:
c10c5098   esp: cac3bda0
Sep  6 22:32:08 localhost kernel: ds: 0068   es: 0068   ss: 0068
Sep  6 22:32:08 localhost kernel: Process clamd (pid: 24475,
stackpage=cac3b000)
Sep  6 22:32:08 localhost kernel: Stack: 0384b067 c26d02c8 c4432c80
c0130541 0384b067 00000000 00001000 c10c5098
Sep  6 22:32:08 localhost kernel:        c9510408 cb9ec880 408b2000
00000001 c0130971 cb9ec880 cbc3df00 c26d02c8
Sep  6 22:32:08 localhost kernel:        c9510408 00000001 408b2000
cc4dfa80 cb9ec880 408b2000 cb9ec8a0 cac3a000
Sep  6 22:32:08 localhost kernel: Call Trace:   [<c0130541>]
do_anonymous_page [kernel] 0x161 (0xcac3bdac))
Sep  6 22:32:08 localhost kernel: [<c0130971>] handle_mm_fault
[kernel] 0x81 (0xcac3bdd0))
Sep  6 22:32:08 localhost kernel: [<c011735c>] do_page_fault [kernel]
0x16c (0xcac3be00))
Sep  6 22:32:08 localhost kernel: [<c020b46e>] ip_local_deliver_finish
[kernel] 0x14e (0xcac3be20))
Sep  6 22:32:08 localhost kernel: [<ce80e5eb>]
journal_dirty_metadata_R99e24994 [jbd] 0x17b (0xcac3be4c))
Sep  6 22:32:08 localhost kernel: [<c013e985>] __alloc_pages [kernel]
0x95 (0xcac3be78))
Sep  6 22:32:08 localhost kernel: [<c01171f0>] do_page_fault [kernel]
0x0 (0xcac3bea8))
Sep  6 22:32:08 localhost kernel: [<c0109628>] error_code [kernel]
0x34 (0xcac3beb0))
Sep  6 22:32:08 localhost kernel: [<c0130068>] vmtruncate [kernel]
0x68 (0xcac3bed8))
Sep  6 22:32:08 localhost kernel: [<c0134618>] file_read_actor
[kernel] 0x58 (0xcac3bee4))
Sep  6 22:32:08 localhost kernel: [<c013409e>] do_generic_file_read
[kernel] 0x22e (0xcac3bf0c))
Sep  6 22:32:08 localhost kernel: [<c01345c0>] file_read_actor
[kernel] 0x0 (0xcac3bf38))
Sep  6 22:32:08 localhost kernel: [<c0134750>] generic_file_read
[kernel] 0xb0 (0xcac3bf58))
Sep  6 22:32:08 localhost kernel: [<c01345c0>] file_read_actor
[kernel] 0x0 (0xcac3bf68))
Sep  6 22:32:08 localhost kernel: [<c0146d53>] sys_read [kernel] 0xa3
(0xcac3bf94))
Sep  6 22:32:08 localhost kernel: [<c0109537>] system_call [kernel]
0x33 (0xcac3bfc0))
Sep  6 22:32:08 localhost kernel:
Sep  6 22:32:08 localhost kernel:
Sep  6 22:32:08 localhost kernel: Code: 8b 43 04 85 c0 74 0a 89 1f 89
7e 24 89 57 7c eb eb 8b 43 7c



Sep  7 13:54:40 localhost kernel:  <1>Unable to handle kernel paging
request at virtual address 0088007c
Sep  7 13:54:40 localhost kernel:  printing eip:
Sep  7 13:54:40 localhost kernel: c0143ce0
Sep  7 13:54:40 localhost kernel: *pde = 00000000
Sep  7 13:54:40 localhost kernel: Oops: 0000
Sep  7 13:54:40 localhost kernel: ipt_state iptable_nat ip_conntrack
iptable_filter ip_tables 8139too mii sis900 keybdev mous
edev input usbcore ext3 jbd
Sep  7 13:54:40 localhost kernel: CPU:    0
Sep  7 13:54:40 localhost kernel: EIP:    0060:[<c0143ce0>]    Not
tainted
Sep  7 13:54:40 localhost kernel: EFLAGS: 00010206
Sep  7 13:54:40 localhost kernel:
Sep  7 13:54:40 localhost kernel: EIP is at page_referenced [kernel]
0x170 (2.4.20-8)
Sep  7 13:54:40 localhost kernel: eax: c11ea298   ebx: c11ea2b4   ecx:
c030d100   edx: c11ea298
Sep  7 13:54:40 localhost kernel: esi: 0000001e   edi: 00880000   ebp:
00000000   esp: cdfb5f74
Sep  7 13:54:40 localhost kernel: ds: 0068   es: 0068   ss: 0068
Sep  7 13:54:40 localhost kernel: Process kswapd (pid: 5,
stackpage=cdfb5000)
Sep  7 13:54:40 localhost kernel: Stack: c43f5900 00000000 00000000
cdfb5fc0 c11ea298 c11ea2b4 0000478e c11ea298
Sep  7 13:54:40 localhost kernel:        0000478f c013c54b cdfb5fbc
c013d348 00000000 c030d234 0000003f ffffffff
Sep  7 13:54:40 localhost kernel:        00000005 00000001 00000252
00000001 cdfb4000 c030d100 cdfb4305 00000000
Sep  7 13:54:40 localhost kernel: Call Trace:   [<c013c54b>]
refill_inactive_zone [kernel] 0x5eb (0xcdfb5f98))
Sep  7 13:54:40 localhost kernel: [<c013d348>] wakeup_memwaiters
[kernel] 0xd8 (0xcdfb5fa0))
Sep  7 13:54:40 localhost kernel: [<c013d08c>] kswapd [kernel] 0xec
(0xcdfb5fd4))
Sep  7 13:54:40 localhost kernel: [<c013cfa0>] kswapd [kernel] 0x0
(0xcdfb5fe4))
Sep  7 13:54:40 localhost kernel: [<c010742d>] kernel_thread_helper
[kernel] 0x5 (0xcdfb5ff0))
Sep  7 13:54:40 localhost kernel:
Sep  7 13:54:40 localhost kernel:
Sep  7 13:54:40 localhost kernel: Code: 8b 44 b7 04 85 c0 0f 84 b6 00
00 00 89 c2 8b 0d 30 c7 39 c0

Is it a memory problem?

Regards
Morten Isaksen
http://www.aub.dk/~misak/

.