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SubjectA CD with errors (scratches etc.) blocks the whole system while reading damadged files
Problem:

I use SuSE Linux 7.2 and when I create md5sums from damaged files on a
CD, the WHOLE system freezes or is ugly slow untill md5 has passed the
damaged part of the file !

My CDRom drive is a HP8100i IDE CD Writer attached as HDD at the onbord
IDE Controller



test case:

md5 "/cdrom/damaged file"



cat /proc/version output:

Linux version 2.4.4-4GB (root@Pentium.suse.de) (gcc version 2.95.3
20010315 (SuSE)) #1 Wed May 16 00:37:55 GMT 2001



linux_ver output:

Linux filez 2.4.4-4GB #1 Wed May 16 00:37:55 GMT 2001 i586 unknown

Gnu C 2.95.3
Gnu make 3.79.1
binutils 2.10.91.0.4
util-linux 2.11b
mount 2.11b
modutils 2.4.5
e2fsprogs 1.19
reiserfsprogs 3.x.0j
PPP 2.4.0
isdn4k-utils 3.1pre1a
Linux C Library x 1 root root 1343073 Mai 11 2001
/lib/libc.so.6
Dynamic linker (ldd) 2.2.2
Procps 2.0.7
Net-tools 1.60
Kbd 1.04
Sh-utils 2.0
Modules Loaded ppp_async ppp_generic nls_iso8859-1 snd-pcm-oss
snd-pcm-plugin snd-mixer-oss snd-synth-emu8000 snd-synth-emux
snd-seq-midi-emul snd-seq-virmidi snd-emux-mem snd-seq-midi
snd-seq-midi-event snd-seq snd-card-sbawe isa-pnp snd-sb16-csp
snd-sb16-dsp snd-pcm snd-mixer snd-opl3 snd-hwdep snd-timer
snd-mpu401-uart snd-rawmidi snd-seq-device snd soundcore af_packet nfsd
lp parport usbcore ne2k-pci 8390 hisax isdn loop_fish2 ide-scsi rtl8139
reiserfs



cat /proc/cpuinfo output:

processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 7
model name : AMD-K6tm w/ multimedia extensions
stepping : 0
cpu MHz : 267.281
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 mmx
bogomips : 532.48



cat /proc/modules output:

ppp_async 6480 0 (autoclean) (unused)
ppp_generic 14416 0 (autoclean) [ppp_async]
nls_iso8859-1 2880 1 (autoclean)
snd-pcm-oss 18816 1 (autoclean)
snd-pcm-plugin 15024 0 (autoclean) [snd-pcm-oss]
snd-mixer-oss 5120 0 (autoclean) [snd-pcm-oss]
snd-synth-emu8000 16176 0 (unused)
snd-synth-emux 26592 0 [snd-synth-emu8000]
snd-seq-midi-emul 4480 0 [snd-synth-emux]
snd-seq-virmidi 8496 0 [snd-synth-emux]
snd-emux-mem 1616 0 [snd-synth-emu8000 snd-synth-emux]
snd-seq-midi 3568 0 (unused)
snd-seq-midi-event 2992 0 [snd-seq-virmidi snd-seq-midi]
snd-seq 42656 0 [snd-synth-emux snd-seq-virmidi
snd-seq-midi snd-seq-midi-event]
snd-card-sbawe 5536 1
isa-pnp 28176 0 [snd-card-sbawe]
snd-sb16-csp 15888 0 [snd-card-sbawe]
snd-sb16-dsp 15888 0 [snd-card-sbawe snd-sb16-csp]
snd-pcm 30560 0 [snd-pcm-oss snd-pcm-plugin snd-sb16-dsp]
snd-mixer 24224 0 [snd-mixer-oss snd-synth-emu8000
snd-sb16-csp snd-sb16-dsp]
snd-opl3 4848 0 [snd-card-sbawe]
snd-hwdep 3376 0 [snd-sb16-csp snd-opl3]
snd-timer 8560 0 [snd-seq snd-pcm snd-opl3]
snd-mpu401-uart 2512 0 [snd-card-sbawe]
snd-rawmidi 9664 0 [snd-seq-midi snd-mpu401-uart]
snd-seq-device 4032 0 [snd-synth-emu8000 snd-synth-emux
snd-seq-midi snd-seq snd-card-sbawe snd-rawmidi]
snd 34032 1 [snd-pcm-oss snd-pcm-plugin
snd-mixer-oss snd-synth-emu8000 snd-synth-emux snd-seq-virm
idi snd-emux-mem snd-seq-midi snd-seq-midi-event snd-seq snd-card-sbawe
snd-sb16-csp snd-sb16-dsp snd-pcm snd-mixer snd-
opl3 snd-hwdep snd-timer snd-mpu401-uart snd-rawmidi snd-seq-device]
soundcore 3632 7 [snd]
af_packet 11648 2 (autoclean)
nfsd 67280 4 (autoclean)
lp 5392 0 (autoclean)
parport 24352 0 (autoclean) [lp]
usbcore 47120 0 (autoclean)
ne2k-pci 4640 1 (autoclean)
8390 6240 0 (autoclean) [ne2k-pci]
hisax 496192 1
isdn 123056 2 [hisax]
loop_fish2 9280 0 (unused)
ide-scsi 7856 1
rtl8139 11520 1
reiserfs 156432 3




cat /proc/ioports output:

0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0213-0213 : isapnp read
0220-022f : Sound Blaster AWE32/64
0330-0331 : Sound Blaster AWE32/64 - MPU-401
0376-0376 : ide1
0388-038b : Sound Blaster AWE32/64 - FM
03c0-03df : vga+
03f6-03f6 : ide0
0620-0623 : Sound Blaster AWE32/64 - WaveTable
0a20-0a23 : Sound Blaster AWE32/64 - WaveTable
0a79-0a79 : isapnp write
0cf8-0cff : PCI conf1
0e20-0e23 : Sound Blaster AWE32/64 - WaveTable
4000-40ff : PCI device 1106:3040
c000-cfff : PCI Bus #01
d000-d00f : PCI device 1106:0571
d000-d007 : ide0
d008-d00f : ide1
d800-d8ff : PCI device 10ec:8139
d800-d8ff : 8139too
dc00-dc1f : PCI device 1244:0a00
dc00-dc1f : avm PCI
e000-e01f : PCI device 10ec:8029
e000-e01f : ne2k-pci




cat /proc/iomem output:

00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-0fffffff : System RAM
00100000-002327d1 : Kernel code
002327d2-0031bdcb : Kernel data
e0000000-e3ffffff : PCI device 1106:0598
e4000000-e40000ff : PCI device 10ec:8139
e4000000-e40000ff : 8139too
e4001000-e400101f : PCI device 1244:0a00
ffff0000-ffffffff : reserved




lspci -vvv output:

00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3] (rev 04)
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
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
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. VT82C598/694x [Apollo
MVP3/Pro133x 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: 0000c000-0000cfff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C586/A/B PCI-to-ISA
[Apollo VP] (rev 47)
Subsystem: VIA Technologies, Inc. MVP3 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: 64
Region 4: I/O ports at d000 [size=16]

00:07.3 Host bridge: VIA Technologies, Inc. VT82C586B 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-

00:12.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139
(rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. RT8139
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 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at d800 [size=256]
Region 1: Memory at e4000000 (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-

00:13.0 Network controller: AVM Audiovisuelles MKTG & Computer System
GmbH A1 ISDN [Fritz] (rev 02)
Subsystem: AVM Audiovisuelles MKTG & Computer System GmbH
FRITZ!Card ISDN Controller
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 A routed to IRQ 5
Region 0: Memory at e4001000 (32-bit, non-prefetchable) [size=32]
Region 1: I/O ports at dc00 [size=32]

00:14.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
Subsystem: Realtek Semiconductor Co., Ltd. RT8029(AS)
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 A routed to IRQ 7
Region 0: I/O ports at e000 [size=32]




cat /proc/scsi/scsi output:

Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: CD-Writer+ 8100 Rev: 1.0g
Type: CD-ROM ANSI SCSI revision: 02



/var/log/messages

Apr 18 15:06:18 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x03 00 00 00 40 00
Apr 18 15:06:20 filez kernel: hdd: irq timeout: status=0xd0 { Busy }
Apr 18 15:06:20 filez kernel: hdd: ATAPI reset complete
Apr 18 15:06:20 filez kernel: hdd: irq timeout: status=0x80 { Busy }
Apr 18 15:06:20 filez kernel: hdd: ATAPI reset complete
Apr 18 15:06:21 filez kernel: hdd: irq timeout: status=0x80 { Busy }
Apr 18 15:06:21 filez kernel: hdd: status error: status=0x08 { DataRequest }
Apr 18 15:06:21 filez kernel: hdd: drive not ready for command
Apr 18 15:06:21 filez kernel: SCSI cdrom error : host 0 channel 0 id 0
lun 0 return code = 27000002
Apr 18 15:06:21 filez kernel: I/O error: dev 0b:00, sector 5780
Apr 18 15:06:51 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:51 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:51 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:51 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:51 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:51 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:52 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:52 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:52 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:52 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:52 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:52 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:53 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:53 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:53 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:53 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:53 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:53 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:54 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:54 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:54 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:54 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:54 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:54 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:55 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:55 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:55 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:55 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:55 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:55 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:56 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:56 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:56 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:56 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:56 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:56 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:57 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x28 00 00 00 05 24 00 00 39 00
Apr 18 15:06:57 filez kernel: SCSI host 0 abort (pid 0) timed out -
resetting
Apr 18 15:06:57 filez kernel: SCSI bus is being reset for host 0 channel 0.
Apr 18 15:06:59 filez kernel: scsi : aborting command due to timeout :
pid 0, scsi0, channel 0, id 0, lun 0 0x03 00 00 00 40 00
Apr 18 15:06:59 filez kernel: hdd: irq timeout: status=0xd0 { Busy }
Apr 18 15:06:59 filez kernel: hdd: ATAPI reset complete
Apr 18 15:06:59 filez kernel: hdd: irq timeout: status=0x80 { Busy }
Apr 18 15:06:59 filez kernel: hdd: ATAPI reset complete





Have i forget something ? If yes just Mail me

Frederik Reiss





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