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Ext3-Bug in Kernel 2.4.21?



Hi,

The following error message appeared in syslog while the filesharing
client overnet was running and writing to the disk.

I first only noticed that suddenly Opera was frozen and no new terminals
could be started.

Regards

W. Pichler


syslog

Jun 15 13:15:34 pc kernel: Unable to handle kernel NULL pointer
dereference at virtual address 0000000e
Jun 15 13:15:34 pc kernel:  printing eip:
Jun 15 13:15:34 pc kernel: c01523c6
Jun 15 13:15:34 pc kernel: *pde = 00000000
Jun 15 13:15:34 pc kernel: Oops: 0000
Jun 15 13:15:34 pc kernel: CPU:    0
Jun 15 13:15:34 pc kernel: EIP:   
0010:[ext3_do_update_inode+738/912]    Not tainted
Jun 15 13:15:34 pc kernel: EFLAGS: 00010246
Jun 15 13:15:34 pc kernel: eax: 07f78000   ebx: c0a6fae0   ecx:
0000000e   edx: 00000000
Jun 15 13:15:34 pc kernel: esi: c37a4da8   edi: c0a6f9c0   ebp:
0000027c   esp: c3cdbe9c
Jun 15 13:15:34 pc kernel: ds: 0018   es: 0018   ss: 0018
Jun 15 13:15:34 pc kernel: Process overnet_s_45 (pid: 2130,
stackpage=c3cdb000)
Jun 15 13:15:34 pc kernel: Stack: c3cdbef8 00000000 c3ad8de0 0000027c
00000000 c3b68920 c3ad8de0 c3b68920
Jun 15 13:15:34 pc kernel:        c3cdbef8 c0a6f9c0 c0152701 c3ad8de0
c0a6f9c0 c3cdbef8 c3cdbef8 c0a6f9c0
Jun 15 13:15:34 pc kernel:        c0152809 c3ad8de0 c0a6f9c0 c3cdbef8
00000000 c3ad8de0 c0a6f9c0 c3b68920
Jun 15 13:15:34 pc kernel: Call Trace:    [ext3_mark_iloc_dirty+33/80]
[ext3_mark_inode_dirty+41/52] [ext3_dirty_inode+195/260]
[__mark_inode_dirty+46/140] [generic_file_write+828/1824]
Jun 15 13:15:34 pc kernel:   [ext3_file_write+34/156]
[sys_write+150/240] [system_call+51/64]
Jun 15 13:15:34 pc kernel:
Jun 15 13:15:34 pc kernel: Code: 8b 04 11 89 04 16 83 c2 04 49 79 f4 8b
44 24 14 50 8b 44 24


cat /proc/version

Linux version 2.4.21 (root pc) (gcc version 2.95.4 (Debian prerelease))
#2 Sam Jun 14 15:15:37 CEST 2003

cat /proc/modules

pppoe                   6752   0 (autoclean)
pppox                   1208   1 (autoclean) [pppoe]
ppp_generic            15308   0 (autoclean) [pppoe pppox]
slhc                    4544   0 (autoclean) [ppp_generic]
8139too                13696   0 (autoclean)
mii                     2288   0 (autoclean) [8139too]
snd-mixer-oss           4672   0 (autoclean)
hfs                    74176   0 (unused)
ide-floppy             11712   0
ide-scsi                7648   0
scsi_mod               83464   1 [ide-scsi]
snd-seq-midi            3008   0 (autoclean) (unused)
snd-card-via686a        6688   0 (autoclean)
snd-pcm                29184   0 (autoclean) [snd-card-via686a]
snd-ac97-codec         23200   0 (autoclean) [snd-card-via686a]
snd-mixer              22824   0 (autoclean) [snd-mixer-oss
snd-ac97-codec]
snd-mpu401-uart         2256   0 (autoclean) [snd-card-via686a]
snd-rawmidi             9632   0 (autoclean) [snd-seq-midi
snd-mpu401-uart]
snd-seq-oss            23040   0 (unused)
snd-seq-midi-event      2880   0 [snd-seq-midi snd-seq-oss]
snd-seq                37584   0 [snd-seq-midi snd-seq-oss
snd-seq-midi-event]
snd-timer               8000   0 [snd-pcm snd-seq]
snd-seq-device          3740   0 [snd-seq-midi snd-rawmidi snd-seq-oss
snd-seq]
snd                    31136   1 [snd-mixer-oss snd-seq-midi
snd-card-via686a snd-pcm snd-ac97-codec snd-mixer snd-mpu401-uart
snd-rawmidi snd-seq-oss snd-seq-midi-event snd-seq snd-timer
snd-seq-device]
soundcore               3492   5 [snd]
vfat                    9308   0 (unused)
fat                    29368   0 [vfat]

lspci -vvv

00:00.0 Host bridge: VIA Technologies, Inc. VT8501 [Apollo MVP4] (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: 32
	Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
	Capabilities: [a0] AGP version 2.0
		Status: RQ=7 SBA+ 64bit- FW- Rate=x1,x2
		Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

00:01.0 PCI bridge: VIA Technologies, Inc. VT8501 [Apollo MVP4 AGP]
(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: 0
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000f000-00000fff
	Memory behind bridge: e4000000-e7ffffff
	Prefetchable memory behind bridge: fff00000-000fffff
	BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 14)
	Subsystem: VIA Technologies, Inc. VT82C686/A PCI to ISA 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: 0

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06)
(prog-if 8a [Master SecP PriP])
	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 d000 [size=16]

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 06)
(prog-if 00 [UHCI])
	Subsystem: Unknown device 0925:1234
	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, cache line size 08
	Interrupt: pin D routed to IRQ 10
	Region 4: I/O ports at d400 [size=32]

00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
(rev 10)
	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

00:07.5 Multimedia audio controller: VIA Technologies, Inc. AC97 Audio
Controller (rev 12)
	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 C routed to IRQ 11
	Region 0: I/O ports at dc00 [size=256]
	Region 1: I/O ports at e000 [size=4]

00:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139
(rev 10)
	Subsystem: Allied Telesyn International: Unknown device 2503
	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 (8000ns min, 16000ns max)
	Interrupt: pin A routed to IRQ 9
	Region 0: I/O ports at e400 [size=256]
	Region 1: Memory at e8000000 (32-bit, non-prefetchable) [size=256]
	Capabilities: [50] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:00.0 VGA compatible controller: Trident Microsystems CyberBlade/i7
(rev 5b) (prog-if 00 [VGA])
	Subsystem: Trident Microsystems CyberBlade i7 AGP
	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 A routed to IRQ 11
	Region 0: Memory at e5800000 (32-bit, non-prefetchable) [size=8M]
	Region 1: Memory at e6000000 (32-bit, non-prefetchable) [size=128K]
	Region 2: Memory at e5000000 (32-bit, non-prefetchable) [size=8M]
	Expansion ROM at <unassigned> [disabled] [size=64K]
	Capabilities: [80] AGP version 1.0
		Status: RQ=32 SBA+ 64bit- FW- Rate=x1,x2
		Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>
	Capabilities: [90] Power Management version 1
		Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-


cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 5
model           : 8
model name      : AMD-K6(tm) 3D processor
stepping        : 12
cpu MHz         : 451.035
cache size      : 64 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow
k6_mtrr
bogomips        : 897.84




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