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SubjectKernel Bug 2.4.{4,5} page_alloc.c:81
I've recently been getting strange system lock-ups - often my system
just dies, but occasionally I get messages in dmesg. I've tried to
isolate the problem by increasing the available swap (I now have > 2x
RAM), removing my reiserfs partitions (I'm now running with ext2) and
downgrading from kernel 2.4.5 to 2.4.4, but I'm still seeing the
problem.

Here are the two logs that I've been able to get - after I got these
logs I rebooted my machine and it failed to unmount my /home partition
with the message "device busy".

The first one happened on June 4th with a 2.4.5 kernel:

/var/log/messages:

kernel BUG at page_alloc.c:81!
invalid operand: 0000
CPU: 1
EIP: 0010:[__free_pages_ok+168/780]
EFLAGS: 00210282
eax: 0000001f ebx: c1af144c ecx: 00200046 edx: 00000001
esi: 000000df edi: e900fc24 ebp: 00000000 esp: ddccfecc
ds: 0018 es: 0018 ss: 0018
Process rm (pid: 2695, stackpage=ddccf000)
Stack: c022c36a c022c3fe 00000051 c1af144c 000000df e900fc24 00000000 00000000
c1af144c c1af144c c0123e33 c1af144c c012d1ef c012409a c1af144c ddccff40
e900fc2c e900fc24 e900fc34 df01d840 c1af144c ddccff40 c0124168 e900fb80
Call Trace: [remove_inode_page+59/72] [__free_pages+27/28] [truncate_list_pages+322/436] [truncate_inode_pages+92/148] [iput+162/360] [d_delete+98/160] [vfs_unlink+377/428]
[sys_unlink+166/280] [system_call+51/56]

Code: 0f 0b 83 c4 0c 8d 76 00 8b 43 18 a8 20 74 19 6a 53 68 fe c3


ksymoops:

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: 83 c4 0c add $0xc,%esp
Code; 00000005 Before first symbol
5: 8d 76 00 lea 0x0(%esi),%esi
Code; 00000008 Before first symbol
8: 8b 43 18 mov 0x18(%ebx),%eax
Code; 0000000b Before first symbol
b: a8 20 test $0x20,%al
Code; 0000000d Before first symbol
d: 74 19 je 28 <_EIP+0x28> 00000028 Before first symbol
Code; 0000000f Before first symbol
f: 6a 53 push $0x53
Code; 00000011 Before first symbol
11: 68 fe c3 00 00 push $0xc3fe


/usr/src/linux-2.4/scripts/ver_linux:

If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux jim.imdb.com 2.4.5 #20 SMP Sat May 26 09:11:38 BST 2001 i686 unknown

Gnu C egcs-2.91.66
Gnu make 3.78.1
binutils 2.9.5.0.22
util-linux 2.10p
mount 2.10r
modutils 2.4.2
e2fsprogs 1.19
PPP 2.4.0
Linux C Library 2.1.3
Dynamic linker (ldd) 2.1.3
Procps 2.0.6
Net-tools 1.54
Console-tools 0.3.3
Sh-utils 2.0
Modules Loaded bsd_comp ppp_async ppp_generic slhc ipchains tdfx w83781d eeprom sensors i2c-isa i2c-piix4 i2c-core via-rhine de4x5 es1371 ac97_codec

The second one happened today with a 2.4.4 kernel:

dmesg:

kernel BUG at page_alloc.c:81!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c012cb58>]
EFLAGS: 00010282
eax: 0000001f ebx: c181b6e8 ecx: 00000002 edx: 00000002
esi: 00000530 edi: eee832c4 ebp: 00000000 esp: f53adecc
ds: 0018 es: 0018 ss: 0018
Process xemacs (pid: 1539, stackpage=f53ad000)
Stack: c022cde9 c022cebe 00000051 c181b6e8 00000530 eee832c4 00000000 00000000
c181b6e8 c181b6e8 c0123d33 c181b6e8 c012d423 c0123f9a c181b6e8 f53adf40
eee832cc eee832c4 eee832d4 e77d27c0 c181b6e8 f53adf40 c0124068 eee83220
Call Trace: [<c0123d33>] [<c012d423>] [<c0123f9a>] [<c0124068>] [<c0147e6e>] [<c0146106>] [<c013ef0d>]
[<c013efe6>] [<c0106cdb>]

Code: 0f 0b 83 c4 0c 8d 76 00 8b 43 18 a8 20 74 19 6a 53 68 be ce


ksymoops:

>>EIP; c012cb58 <__free_pages_ok+a8/310> <=====
Trace; c0123d33 <remove_inode_page+3b/48>
Trace; c012d423 <__free_pages+1b/1c>
Trace; c0123f9a <truncate_list_pages+142/1b4>
Trace; c0124068 <truncate_inode_pages+5c/94>
Trace; c0147e6e <iput+a2/168>
Trace; c0146106 <d_delete+62/a0>
Trace; c013ef0d <vfs_unlink+179/1ac>
Trace; c013efe6 <sys_unlink+a6/118>
Trace; c0106cdb <system_call+33/38>
Code; c012cb58 <__free_pages_ok+a8/310>
00000000 <_EIP>:
Code; c012cb58 <__free_pages_ok+a8/310> <=====
0: 0f 0b ud2a <=====
Code; c012cb5a <__free_pages_ok+aa/310>
2: 83 c4 0c add $0xc,%esp
Code; c012cb5d <__free_pages_ok+ad/310>
5: 8d 76 00 lea 0x0(%esi),%esi
Code; c012cb60 <__free_pages_ok+b0/310>
8: 8b 43 18 mov 0x18(%ebx),%eax
Code; c012cb63 <__free_pages_ok+b3/310>
b: a8 20 test $0x20,%al
Code; c012cb65 <__free_pages_ok+b5/310>
d: 74 19 je 28 <_EIP+0x28> c012cb80 <__free_pages_ok+d0/310>
Code; c012cb67 <__free_pages_ok+b7/310>
f: 6a 53 push $0x53
Code; c012cb69 <__free_pages_ok+b9/310>
11: 68 be ce 00 00 push $0xcebe


/usr/src/linux-2.4/scripts/ver_linux:
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux jim.imdb.com 2.4.4 #21 SMP Sat Jun 16 23:10:05 BST 2001 i686 unknown

Gnu C egcs-2.91.66
Gnu make 3.78.1
binutils 2.9.5.0.22
util-linux 2.10p
mount 2.10r
modutils 2.4.2
e2fsprogs 1.19
reiserfsprogs 3.x.0j
PPP 2.4.0
Linux C Library 2.1.3
Dynamic linker (ldd) 2.1.3
Procps 2.0.6
Net-tools 1.54
Console-tools 0.3.3
Sh-utils 2.0
Modules Loaded bsd_comp ppp_async ppp_generic slhc ipchains tdfx w83781d eeprom sensors i2c-isa i2c-piix4 i2c-core via-rhine de4x5 es1371 ac97_codec

Here's some more information about my system:

% free
total used free shared buffers cached
Mem: 899808 273212 626596 0 7924 113852
-/+ buffers/cache: 151436 748372
Swap: 1836376 0 1836376

% cat /proc/version
Linux version 2.4.4 (root@jim.imdb.com) (gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #21 SMP Sat Jun 16 23:10:05 BST 2001

% cat /proc/modules
ppp_async 6576 1 (autoclean)
ppp_generic 17008 3 (autoclean) [ppp_async]
slhc 4752 1 (autoclean) [ppp_generic]
ipchains 35488 0 (unused)
tdfx 55856 1
w83781d 17328 0
eeprom 3120 0
sensors 6016 0 [w83781d eeprom]
i2c-isa 1168 0 (unused)
i2c-piix4 3904 0 (unused)
i2c-core 12080 0 [w83781d eeprom sensors i2c-isa i2c-piix4]
via-rhine 10720 0 (autoclean) (unused)
de4x5 42480 1 (autoclean)

% cat /proc/ioports
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
0290-0297 : w83781d
02f8-02ff : serial(auto)
0376-0376 : ide1
03c0-03df : vga+
03f8-03ff : serial(auto)
0400-043f : Intel Corporation 82371AB PIIX4 ACPI
0440-045f : Intel Corporation 82371AB PIIX4 ACPI
0440-0447 : piix4-smbus
0cf8-0cff : PCI conf1
d000-dfff : PCI Bus #01
d800-d8ff : 3Dfx Interactive, Inc. Voodoo Banshee
e400-e4ff : VIA Technologies, Inc. Ethernet Controller
e400-e4ff : via-rhine
e800-e8ff : Adaptec AHA-2940U2/W / 7890
ec00-ec7f : Digital Equipment Corporation DECchip 21040 [Tulip]
ec00-ec7f : DE434/5 (eth0)
ef00-ef3f : Ensoniq ES1371 [AudioPCI-97]
ef80-ef9f : Intel Corporation 82371AB PIIX4 USB
ffa0-ffaf : Intel Corporation 82371AB PIIX4 IDE

% cat /proc/iomem
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000c8000-000cd7ff : Extension ROM
000f0000-000fffff : System ROM
00100000-37fdffff : System RAM
00100000-002208f1 : Kernel code
002208f2-002842df : Kernel data
37fe0000-37ff7fff : ACPI Tables
37ff8000-37ffffff : ACPI Non-volatile Storage
ee800000-f28fffff : PCI Bus #01
f0000000-f1ffffff : 3Dfx Interactive, Inc. Voodoo Banshee
f4000000-f7ffffff : Intel Corporation 440GX - 82443GX Host bridge
faa00000-feafffff : PCI Bus #01
fc000000-fdffffff : 3Dfx Interactive, Inc. Voodoo Banshee
febfee80-febfeeff : Digital Equipment Corporation DECchip 21040 [Tulip]
febfef00-febfefff : VIA Technologies, Inc. Ethernet Controller
febfef00-febfefff : via-rhine
febff000-febfffff : Adaptec AHA-2940U2/W / 7890
febff000-febfffff : aic7xxx
fec00000-fec00fff : reserved
fee00000-fee00fff : reserved
fffc0000-ffffffff : reserved

# lspci -vvv
00:00.0 Host bridge: Intel Corporation 440GX - 82443GX Host bridge
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 set
Region 0: Memory at f4000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

00:01.0 PCI bridge: Intel Corporation 440GX - 82443GX AGP bridge (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 set
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: faa00000-feafffff
Prefetchable memory behind bridge: ee800000-f28fffff
BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B+

00:07.0 ISA bridge: Intel Corporation 82371AB 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 set

00:07.1 IDE interface: Intel Corporation 82371AB 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: 64 set
Region 4: I/O ports at ffa0 [size=16]

00:07.2 USB Controller: Intel Corporation 82371AB 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: 64 set
Interrupt: pin D routed to IRQ 5
Region 4: I/O ports at ef80 [size=32]

00:07.3 Bridge: Intel Corporation 82371AB 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

00:0d.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
Subsystem: Ensoniq: Unknown device 1371
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort+ <MAbort+ >SERR- <PERR-
Latency: 12 min, 128 max, 64 set
Interrupt: pin A routed to IRQ 14
Region 0: I/O ports at ef00 [size=64]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- AuxPwr+ DSI+ D1- D2+ PME+
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:0e.0 SCSI storage controller: Adaptec AHA-2940U2/W / 7890
Subsystem: Adaptec: Unknown device 000f
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: 39 min, 25 max, 64 set, cache line size 08
Interrupt: pin A routed to IRQ 10
BIST result: 00
Region 0: I/O ports at e800 [disabled] [size=256]
Region 1: Memory at febff000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at febc0000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- AuxPwr- DSI- D1- D2- PME-
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:10.0 Ethernet controller: VIA Technologies, Inc.: Unknown device 3065 (rev 43)
Subsystem: D-Link System Inc: Unknown device 1400
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: 3 min, 8 max, 64 set, cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at e400 [size=256]
Region 1: Memory at febfef00 (32-bit, non-prefetchable) [size=256]
Expansion ROM at febe0000 [disabled] [size=64K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- AuxPwr- DSI- D1- D2- PME+
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:12.0 Ethernet controller: Digital Equipment Corporation DECchip 21040 [Tulip] (rev 23)
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: 96 set
Interrupt: pin A routed to IRQ 14
Region 0: I/O ports at ec00 [size=128]
Region 1: Memory at febfee80 (32-bit, non-prefetchable) [size=128]

01:00.0 VGA compatible controller: 3Dfx Interactive, Inc. Voodoo Banshee (rev 03) (prog-if 00 [VGA])
Subsystem: CardExpert Technology: Unknown device 0001
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 11
Region 0: Memory at fc000000 (32-bit, non-prefetchable) [size=32M]
Region 1: Memory at f0000000 (32-bit, prefetchable) [size=32M]
Region 2: I/O ports at d800 [size=256]
Expansion ROM at feaf0000 [disabled] [size=32K]
Capabilities: [54] AGP version 1.0
Status: RQ=7 SBA+ 64bit+ FW- Rate=x1
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>
Capabilities: [60] Power Management version 1
Flags: PMEClk- AuxPwr- DSI+ D1- D2- PME-
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

% cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: IBM Model: DDYS-T09170N Rev: S80D
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: IBM Model: DDYS-T09170N Rev: S80D
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 02 Lun: 00
Vendor: IBM Model: DDYS-T18350N Rev: S96H
Type: Direct-Access ANSI SCSI revision: 03

--
Jim Randell // jim@imdb.com // +44.117.944.4227
http://www.imdb.com/ Mobile: +44.779.087.6488
:d
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