Unable to handle kernel paging request

To: "Debian GNU/Linux User Mailing List" <debian-user@lists.debian.org>
Subject: Unable to handle kernel paging request
From: "Ralf G. R. Bergs" <rabe@RWTH-Aachen.DE>
Date: Sat, 26 Jan 2002 11:38:23 +0100
Message-id: <[🔎] E16UQE8-0006nY-00@ADSL-Bergs.RZ.RWTH-Aachen.DE>
Reply-to: "Ralf G. R. Bergs" <rabe@RWTH-Aachen.DE>
Hi there,

since a few hours I'm getting messages like the following in my syslog. The 
strange thing is that they only seem to pertain to processes doing SNMP (mrtg 
and snmpget.) I don't think it's an "out of memory" issue since there is 
PLENTY of swap available (512M,) and apart from 10 FTP processes there's not 
much load on the machine.

Jan 26 10:05:07 MyMachine kernel:  <1>Unable to handle kernel paging request 
at virtual address 16534fc1
Jan 26 10:05:07 MyMachine kernel:  printing eip:
Jan 26 10:05:07 MyMachine kernel: c013cba0
Jan 26 10:05:07 MyMachine kernel: *pde = 00000000
Jan 26 10:05:07 MyMachine kernel: Oops: 0000
Jan 26 10:05:07 MyMachine kernel: CPU:    0
Jan 26 10:05:08 MyMachine kernel: EIP:    0010:[d_lookup+96/256]    Not 
tainted
Jan 26 10:05:08 MyMachine kernel: EFLAGS: 00010207
Jan 26 10:05:08 MyMachine kernel: eax: c1165350   ebx: 16534fb1   ecx: 
0000000e   edx: c1160000
Jan 26 10:05:08 MyMachine kernel: esi: 997bda26   edi: c128ff8c   ebp: 
16534fc1   esp: c128fed8
Jan 26 10:05:08 MyMachine kernel: ds: 0018   es: 0018   ss: 0018
Jan 26 10:05:08 MyMachine kernel: Process mrtg (pid: 10585, 
stackpage=c128f000)
Jan 26 10:05:08 MyMachine kernel: Stack: 997bda26 c29c2d60 c128ff8c c128ff3c 
c1165350 c23ce00a 997bda26 00000010 
Jan 26 10:05:08 MyMachine kernel:        c0134800 c29c2d60 c128ff3c 997bda26 
c0134eb8 c29c2d60 c128ff3c 00000000 
Jan 26 10:05:08 MyMachine kernel:        00000000 c23ce000 c128ff8c 00000001 
c128e000 c128e000 00000001 c23ce01a 
Jan 26 10:05:08 MyMachine kernel: Call Trace: [cached_lookup+16/96] 
[link_path_walk+1208/1792] [path_walk+26/32] [open_namei+122/1520] [filp_open+
48/80] 
Jan 26 10:05:08 MyMachine kernel:    [sys_open+54/160] [system_call+51/64] 
Jan 26 10:05:08 MyMachine kernel: 
Jan 26 10:05:08 MyMachine kernel: Code: 8b 6d 00 8b 74 24 18 39 73 44 75 7c 8b 
74 24 24 39 73 0c 75 
Jan 26 10:05:10 MyMachine kernel:  <1>Unable to handle kernel paging request 
at virtual address 16534fc1
Jan 26 10:05:10 MyMachine kernel:  printing eip:
Jan 26 10:05:10 MyMachine kernel: c013cba0
Jan 26 10:05:10 MyMachine kernel: *pde = 00000000
Jan 26 10:05:10 MyMachine kernel: Oops: 0000
Jan 26 10:05:10 MyMachine kernel: CPU:    0
Jan 26 10:05:10 MyMachine kernel: EIP:    0010:[d_lookup+96/256]    Not 
tainted
Jan 26 10:05:10 MyMachine kernel: EFLAGS: 00010217
Jan 26 10:05:10 MyMachine kernel: eax: c1165358   ebx: 16534fb1   ecx: 
0000000e   edx: c1160000
Jan 26 10:05:10 MyMachine kernel: esi: 31296d66   edi: c46d7f8c   ebp: 
16534fc1   esp: c46d7ed8
Jan 26 10:05:10 MyMachine kernel: ds: 0018   es: 0018   ss: 0018
Jan 26 10:05:10 MyMachine kernel: Process snmpget (pid: 10590, 
stackpage=c46d7000)
Jan 26 10:05:10 MyMachine kernel: Stack: 31296d66 c4c12580 c46d7f8c c46d7f3c 
c1165358 c4e8d015 31296d66 00000016 
Jan 26 10:05:10 MyMachine kernel:        c0134800 c4c12580 c46d7f3c 31296d66 
c0134eb8 c4c12580 c46d7f3c 00000000 
Jan 26 10:05:10 MyMachine kernel:        00000000 c4e8d000 c46d7f8c 00000001 
c46d6000 c46d6000 00000001 c4e8d02b 
Jan 26 10:05:10 MyMachine kernel: Call Trace: [cached_lookup+16/96] 
[link_path_walk+1208/1792] [path_walk+26/32] [open_namei+122/1520] [filp_open+
48/80] 
Jan 26 10:05:10 MyMachine kernel:    [sys_open+54/160] [system_call+51/64] 
Jan 26 10:05:10 MyMachine kernel: 
Jan 26 10:05:10 MyMachine kernel: Code: 8b 6d 00 8b 74 24 18 39 73 44 75 7c 8b 
74 24 24 39 73 0c 75 
Jan 26 10:05:11 MyMachine kernel:  <1>Unable to handle kernel paging request 
at virtual address 16534fc1
Jan 26 10:05:11 MyMachine kernel:  printing eip:
Jan 26 10:05:11 MyMachine kernel: c013cba0
Jan 26 10:05:11 MyMachine kernel: *pde = 00000000
Jan 26 10:05:11 MyMachine kernel: Oops: 0000
Jan 26 10:05:11 MyMachine kernel: CPU:    0
Jan 26 10:05:11 MyMachine kernel: EIP:    0010:[d_lookup+96/256]    Not 
tainted
Jan 26 10:05:11 MyMachine kernel: EFLAGS: 00010217
Jan 26 10:05:11 MyMachine kernel: eax: c1165358   ebx: 16534fb1   ecx: 
0000000e   edx: c1160000
Jan 26 10:05:11 MyMachine kernel: esi: 31296d66   edi: c4e5bf8c   ebp: 
16534fc1   esp: c4e5bed8
Jan 26 10:05:11 MyMachine kernel: ds: 0018   es: 0018   ss: 0018
Jan 26 10:05:11 MyMachine kernel: Process snmpget (pid: 10596, 
stackpage=c4e5b000)
Jan 26 10:05:11 MyMachine kernel: Stack: 31296d66 c4c12580 c4e5bf8c c4e5bf3c 
c1165358 c2848015 31296d66 00000016 
Jan 26 10:05:11 MyMachine kernel:        c0134800 c4c12580 c4e5bf3c 31296d66 
c0134eb8 c4c12580 c4e5bf3c 00000000 
Jan 26 10:05:11 MyMachine kernel:        00000000 c2848000 c4e5bf8c 00000001 
c4e5a000 c4e5a000 00000001 c284802b 
Jan 26 10:05:11 MyMachine kernel: Call Trace: [cached_lookup+16/96] 
[link_path_walk+1208/1792] [path_walk+26/32] [open_namei+122/1520] [filp_open+
48/80] 
Jan 26 10:05:11 MyMachine kernel:    [sys_open+54/160] [system_call+51/64] 
Jan 26 10:05:11 MyMachine kernel: 
Jan 26 10:05:11 MyMachine kernel: Code: 8b 6d 00 8b 74 24 18 39 73 44 75 7c 8b 
74 24 24 39 73 0c 75 
Jan 26 10:05:19 MyMachine kernel:  <1>Unable to handle kernel paging request 
at virtual address 16534fc1
Jan 26 10:05:19 MyMachine kernel:  printing eip:
Jan 26 10:05:19 MyMachine kernel: c013cba0
Jan 26 10:05:19 MyMachine kernel: *pde = 00000000
Jan 26 10:05:19 MyMachine kernel: Oops: 0000
Jan 26 10:05:19 MyMachine kernel: CPU:    0
Jan 26 10:05:19 MyMachine kernel: EIP:    0010:[d_lookup+96/256]    Not 
tainted
Jan 26 10:05:19 MyMachine kernel: EFLAGS: 00010217
Jan 26 10:05:19 MyMachine kernel: eax: c1165358   ebx: 16534fb1   ecx: 
0000000e   edx: c1160000
Jan 26 10:05:19 MyMachine kernel: esi: 31296d66   edi: c262df8c   ebp: 
16534fc1   esp: c262ded8
Jan 26 10:05:19 MyMachine kernel: ds: 0018   es: 0018   ss: 0018
Jan 26 10:05:19 MyMachine kernel: Process snmpget (pid: 10612, 
stackpage=c262d000)
Jan 26 10:05:19 MyMachine kernel: Stack: 31296d66 c4c12580 c262df8c c262df3c 
c1165358 c3fe4015 31296d66 00000016 
Jan 26 10:05:19 MyMachine kernel:        c0134800 c4c12580 c262df3c 31296d66 
c0134eb8 c4c12580 c262df3c 00000000 
Jan 26 10:05:19 MyMachine kernel:        00000000 c3fe4000 c262df8c 00000001 
c262c000 c262c000 00000001 c3fe402b 
Jan 26 10:05:19 MyMachine kernel: Call Trace: [cached_lookup+16/96] 
[link_path_walk+1208/1792] [path_walk+26/32] [open_namei+122/1520] [filp_open+
48/80] 
Jan 26 10:05:19 MyMachine kernel:    [sys_open+54/160] [system_call+51/64] 
Jan 26 10:05:19 MyMachine kernel: 
Jan 26 10:05:19 MyMachine kernel: Code: 8b 6d 00 8b 74 24 18 39 73 44 75 7c 8b 
74 24 24 39 73 0c 75 
Jan 26 10:05:20 MyMachine kernel:  <1>Unable to handle kernel paging request 
at virtual address 16534fc1
Jan 26 10:05:20 MyMachine kernel:  printing eip:
Jan 26 10:05:20 MyMachine kernel: c013cba0
Jan 26 10:05:20 MyMachine kernel: *pde = 00000000
Jan 26 10:05:20 MyMachine kernel: Oops: 0000
Jan 26 10:05:20 MyMachine kernel: CPU:    0
Jan 26 10:05:20 MyMachine kernel: EIP:    0010:[d_lookup+96/256]    Not 
tainted
Jan 26 10:05:20 MyMachine kernel: EFLAGS: 00010217
Jan 26 10:05:20 MyMachine kernel: eax: c1165358   ebx: 16534fb1   ecx: 
0000000e   edx: c1160000
Jan 26 10:05:20 MyMachine kernel: esi: 31296d66   edi: c1317f8c   ebp: 
16534fc1   esp: c1317ed8
Jan 26 10:05:20 MyMachine kernel: ds: 0018   es: 0018   ss: 0018
Jan 26 10:05:20 MyMachine kernel: Process snmpget (pid: 10619, 
stackpage=c1317000)
Jan 26 10:05:20 MyMachine kernel: Stack: 31296d66 c4c12580 c1317f8c c1317f3c 
c1165358 c40b3015 31296d66 00000016 
Jan 26 10:05:20 MyMachine kernel:        c0134800 c4c12580 c1317f3c 31296d66 
c0134eb8 c4c12580 c1317f3c 00000000 
Jan 26 10:05:20 MyMachine kernel:        00000000 c40b3000 c1317f8c 00000001 
c1316000 c1316000 00000001 c40b302b 
Jan 26 10:05:20 MyMachine kernel: Call Trace: [cached_lookup+16/96] 
[link_path_walk+1208/1792] [path_walk+26/32] [open_namei+122/1520] [filp_open+
48/80] 
Jan 26 10:05:20 MyMachine kernel:    [sys_open+54/160] [system_call+51/64] 
Jan 26 10:05:20 MyMachine kernel: 
Jan 26 10:05:20 MyMachine kernel: Code: 8b 6d 00 8b 74 24 18 39 73 44 75 7c 8b 
74 24 24 39 73 0c 75 
Jan 26 10:05:21 MyMachine kernel:  <1>Unable to handle kernel paging request 
at virtual address 16534fc1
Jan 26 10:05:21 MyMachine kernel:  printing eip:
Jan 26 10:05:21 MyMachine kernel: c013cba0
Jan 26 10:05:21 MyMachine kernel: *pde = 00000000
Jan 26 10:05:21 MyMachine kernel: Oops: 0000
Jan 26 10:05:21 MyMachine kernel: CPU:    0
Jan 26 10:05:21 MyMachine kernel: EIP:    0010:[d_lookup+96/256]    Not 
tainted
Jan 26 10:05:21 MyMachine kernel: EFLAGS: 00010217
Jan 26 10:05:21 MyMachine kernel: eax: c1165358   ebx: 16534fb1   ecx: 
0000000e   edx: c1160000
Jan 26 10:05:21 MyMachine kernel: esi: 31296d66   edi: c407ff8c   ebp: 
16534fc1   esp: c407fed8
Jan 26 10:05:21 MyMachine kernel: ds: 0018   es: 0018   ss: 0018
Jan 26 10:05:21 MyMachine kernel: Process snmpget (pid: 10623, 
stackpage=c407f000)
Jan 26 10:05:21 MyMachine kernel: Stack: 31296d66 c4c12580 c407ff8c c407ff3c 
c1165358 c2b4c015 31296d66 00000016 
Jan 26 10:05:21 MyMachine kernel:        c0134800 c4c12580 c407ff3c 31296d66 
c0134eb8 c4c12580 c407ff3c 00000000 
Jan 26 10:05:21 MyMachine kernel:        00000000 c2b4c000 c407ff8c 00000001 
c407e000 c407e000 00000001 c2b4c02b 
Jan 26 10:05:21 MyMachine kernel: Call Trace: [cached_lookup+16/96] 
[link_path_walk+1208/1792] [path_walk+26/32] [open_namei+122/1520] [filp_open+
48/80] 
Jan 26 10:05:21 MyMachine kernel:    [sys_open+54/160] [system_call+51/64] 
Jan 26 10:05:21 MyMachine kernel: 
Jan 26 10:05:21 MyMachine kernel: Code: 8b 6d 00 8b 74 24 18 39 73 44 75 7c 8b 
74 24 24 39 73 0c 75 

Of course I could simply reboot the machine and the problems could even go 
away -- but that's not a real solution since I'd like to know WHAT caused 
this. Apart from that we're not running Windoze where frequent reboots are 
normal, are we?! ;-)

Any ideas?!

Thanks,

Ralf


-- 
Verkaufe Original-BMW-Raeder:                    L I N U X       .~.
http://adsl-bergs.rz.rwth-aachen.de/~rabe       The  Choice      /V\
                                                 of a  GNU      /( )\
                                                Generation      ^^-^^
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