PROBLEM: kernel oops (unable to handle paging request)

From: Samuel Mimram
Date: Mon Apr 05 2004 - 14:10:21 EST

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[1.] One line summary of the problem: the kernel oopsed because it was
unable to handle a paging request because of sh.

[2.] Full description of the problem/report: the kernel oopsed because
it was unable to handle a paging request because of sh. This is the
second time we're facing this problem. Its main consequence is that we
aren't able anymore to log on the computer.

[3.] Keywords (i.e., modules, networking, kernel): kernel.

[4.] Kernel version (from /proc/version):

Linux version 2.6.3-sci (smimram@sci1) (gcc version 3.3.3 20040125
(prerelease) (Debian)) #1 SMP Sat Feb 28 17:52:43 CET 2004

[5.] Output of Oops.. message (if applicable) with symbolic information
resolved (see Documentation/oops-tracing.txt)

Unable to handle kernel paging request at virtual address 2b53f0a8
c01f3d1d
*pde = 00000000
Oops: 0000 [#1]
CPU: 1
EIP: 0060:[init_dev+29/1392] Not tainted
EFLAGS: 00010246
eax: 846a8341 ebx: c97d1a80 ecx:c03232dc edx: 00000000
esi: 2b53f004 edi: c97d1a80 ebp:846a8341 esp: c1ba1e98
ds: 007b es: 007b ss: 0068
Stack: 846a8341 ca675580 c25a8005 00000003 c25a8005 c1ba1f70 00000000
00000000
c1353960 c0359140 c01789b1 c1353960 c0359140 00000000 ca675580
c0135935
c97d1a80 2b53f004 c97d1a80 00500000 c01f4bd8 2b53f004 846a8341
c1ba1f00
Call Trace:
[dput+49/624] dput+0x31/0x270
[in_group_p+37/48] in_group_p+0x25/0x30
[tty_open+152/944] tty_open+0x98/0x3b0
[chrdev_open+293/656] chrdev_open+0x125/0x290
[get_empty_filp+104/224] get_empty_filp+0x68/0xe0
[dentry_open+352/560] dentry_open+0x160/0x230
[filp_open+104/112] filp_open+0x68/0x70
[sys_open+91/144] sys_open+0x5b/0x90
[syscall_call+7/11] syscall_call+0x7/0xb

>>ebx; c97d1a80 <_end+93fb898/3fc27e18>
>>ecx; c03232dc <tty_sem+0/24>
>>edi; c97d1a80 <_end+93fb898/3fc27e18>
>>esp; c1ba1e98 <_end+17cbcb0/3fc27e18>

Apr 5 18:55:07 sci1 kernel: Code: 8b 86 a4 00 00 00 8b 1c a8 85 db 74
66 8b 83 a0 00 00 00 a9
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 8b 86 a4 00 00 00 mov 0xa4(%esi),%eax
Code; 00000006 Before first symbol
6: 8b 1c a8 mov (%eax,%ebp,4),%ebx
Code; 00000009 Before first symbol
9: 85 db test %ebx,%ebx
Code; 0000000b Before first symbol
b: 74 66 je 73 <_EIP+0x73>
Code; 0000000d Before first symbol
d: 8b 83 a0 00 00 00 mov 0xa0(%ebx),%eax
Code; 00000013 Before first symbol
13: a9 00 00 00 00 test $0x0,%eax

[7.] Environment
[7.1.] Software (add the output of the ver_linux script here)

Linux sci1 2.6.3-sci #1 SMP Sat Feb 28 17:52:43 CET 2004 i686 GNU/Linux

Gnu C 3.3.3
Gnu make 3.80
util-linux 2.12
mount 2.12
module-init-tools 3.0-pre10
e2fsprogs 1.35
nfs-utils 1.0.6
Linux C Library 2.3.2
Dynamic linker (ldd) 2.3.2
Procps 3.2.0
Net-tools 1.60
Console-tools 0.2.3
Sh-utils 5.0.91
Modules Loaded ipv6 nfs lockd sunrpc tulip

[7.2.] Processor information (from /proc/cpuinfo):

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 5
model name : Pentium II (Deschutes)
stepping : 2
cpu MHz : 451.034
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr
bogomips : 890.88

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 5
model name : Pentium II (Deschutes)
stepping : 2
cpu MHz : 451.034
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr
bogomips : 901.12

[7.3.] Module information (from /proc/modules):

ipv6 244000 22 - Live 0xd0953000
nfs 178268 1 - Live 0xd08df000
lockd 59176 2 nfs, Live 0xd0878000
sunrpc 127912 4 nfs,lockd, Live 0xd088a000
tulip 38368 0 - Live 0xd085a000

[7.4.] Loaded driver and hardware information (/proc/ioports,
/proc/iomem)

0000-001f : dma1
0020-0021 : pic1
0040-005f : timer
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
01f0-01f7 : ide0
02f8-02ff : serial
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial
0cf8-0cff : PCI conf1
d000-d07f : 0000:00:0a.0
d000-d07f : tulip
d400-d41f : 0000:00:04.2
d800-d80f : 0000:00:04.1
d800-d807 : ide0
d808-d80f : ide1
e400-e43f : 0000:00:04.3
e800-e81f : 0000:00:04.3

00000000-0009ffff : System RAM
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-0fffcfff : System RAM
00100000-002ce6b0 : Kernel code
002ce6b1-0035929f : Kernel data
0fffd000-0fffefff : ACPI Tables
0ffff000-0fffffff : ACPI Non-volatile Storage
dc000000-dfffffff : 0000:00:0c.0
e0800000-e080007f : 0000:00:0a.0
e0800000-e080007f : tulip
e1000000-e1ffffff : 0000:00:09.0
e2000000-e2007fff : 0000:00:09.0
e3000000-e3ffffff : 0000:00:09.0
e4000000-e7ffffff : 0000:00:00.0
fec00000-fec00fff : reserved
fee00000-fee00fff : reserved
ffff0000-ffffffff : reserved

[7.5.] PCI information ('lspci -vvv' as root)

00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host bridge
(rev 02)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort+ >SERR- <PERR-
Latency: 64
Region 0: Memory at e4000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64-
HTrans- 64bit- FW- AGP3- Rate=x1,x2
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW-
Rate=<none>

00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge
(rev 02) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000e000-0000dfff
Memory behind bridge: e2f00000-e2efffff
Prefetchable memory behind bridge: e4000000-e3ffffff
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B+

00:04.0 ISA bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0

00:04.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01)
(prog-if 80 [Master])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32
Region 4: I/O ports at d800 [size=16]

00:04.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01)
(prog-if 00 [UHCI])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32
Interrupt: pin D routed to IRQ 12
Region 4: I/O ports at d400 [size=32]

00:04.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02)
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin ? routed to IRQ 9

00:09.0 Bridge: Dolphin Interconnect Solutions AS PSB32 SCI-Adapter D31x
(rev 03)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF+ FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (1000ns min), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 12
Region 0: Memory at e2000000 (32-bit, non-prefetchable)
[size=32K]
Region 1: Memory at e1000000 (32-bit, non-prefetchable)
[size=16M]
Region 2: Memory at e3000000 (32-bit, prefetchable) [size=16M]

00:0a.0 Ethernet controller: Digital Equipment Corporation DECchip 21140
[FasterNet] (rev 22)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (5000ns min, 10000ns max), Cache Line Size: 0x08 (32
bytes)
Interrupt: pin A routed to IRQ 10
Region 0: I/O ports at d000 [size=128]
Region 1: Memory at e0800000 (32-bit, non-prefetchable)
[size=128]
Expansion ROM at <unassigned> [disabled] [size=256K]

00:0c.0 VGA compatible controller: S3 Inc. ViRGE/DX or /GX (rev 01)
(prog-if 00 [VGA])
Subsystem: S3 Inc. ViRGE/DX
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (1000ns min, 63750ns max)
Interrupt: pin A routed to IRQ 11
Region 0: Memory at dc000000 (32-bit, non-prefetchable)
[size=64M]
Expansion ROM at 000c0000 [disabled] [size=64K]

[7.6.] SCSI information (from /proc/scsi/scsi)

No scsi support.

Attachment: config-sci1
Description: Binary data

Attachment: pgp00000.pgp
Description: PGP signature

Next message: Ralf Baechle: "Re: drivers/char/dz.[ch]: reason for keeping?"
Previous message: wdebruij: "Re: [ANNOUNCE] various linux kernel devtools : device handling/memory mapping/profiling/etc"
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