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SubjectLinux 2.6.14: Badness in as-iosched
Hi Jens,

I just hit a badness (actually, tons of badness like this) in as-iosched
while ripping
an audio CD with ripperX (with cdparanoia as a backend).
I was using 2.6.14 on an IBM Thinkpad R52. The kernel has been compiled with
gcc-4.0.2-2 (Debian testing).

The first badness in dmesg is:

cdrom: dropping to single frame dma
arq->state: 4
Badness in as_insert_request at drivers/block/as-iosched.c:1519
[<c0237410>] as_insert_request+0x70/0x1d0
[<c022dc25>] __elv_add_request+0xa5/0xe0
[<c022dc8b>] elv_add_request+0x2b/0x40
[<c0230fe6>] blk_execute_rq_nowait+0x46/0x60
[<c023107a>] blk_execute_rq+0x7a/0xe0
[<c0231310>] blk_end_sync_rq+0x0/0x30
[<c0160b77>] bio_phys_segments+0x27/0x30
[<c0232610>] blk_rq_bio_prep+0x40/0xb0
[<c0230dc7>] blk_rq_map_user+0xb7/0xf0
[<c026bc32>] cdrom_read_cdda_bpc+0x182/0x210
[<c026bd1b>] cdrom_read_cdda+0x5b/0xc0
[<c026d4b6>] mmc_ioctl+0x846/0xb20
[<c0107bce>] timer_interrupt+0x3e/0x60
[<c013affd>] handle_IRQ_event+0x3d/0x70
[<c02352af>] scsi_cmd_ioctl+0xbf/0x510
[<c01202f2>] __do_softirq+0x42/0xa0
[<c0140f90>] buffered_rmqueue+0xc0/0x1c0
[<c013f544>] generic_file_aio_write+0x84/0x110
[<c026be66>] cdrom_ioctl+0xe6/0xe40
[<c0146bdd>] lru_cache_add_active+0x2d/0x40
[<c014c7b5>] do_anonymous_page+0x135/0x150
[<c0252b75>] idecd_ioctl+0x85/0xa0
[<c0233670>] blkdev_ioctl+0x140/0x1c0
[<c016457b>] block_ioctl+0x2b/0x30
[<c016e6a2>] do_ioctl+0x32/0x90
[<c016e860>] vfs_ioctl+0x60/0x1f0
[<c016ea35>] sys_ioctl+0x45/0x70
[<c0103105>] syscall_call+0x7/0xb

It found similar reports in the archives
(http://lkml.org/lkml/2005/10/31/238
or http://lkml.org/lkml/2005/9/14/201) without any interesting conclusion.

_after_ reboot, hdparm looks like this:
/dev/hdc:
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
HDIO_GETGEO failed: Invalid argument

dmesg (without the badness flooding), lspci and .config are attached.

Regards,
Brice Goglin

[unhandled content-type:application/x-gzip][A] -> GSI 16 (level, low) -> IRQ 169
Simple Boot Flag at 0x35 set to 0x1
Initializing Cryptographic API
ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 16 (level, low) -> IRQ 169
PCI: Setting latency timer of device 0000:00:01.0 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[pcie00]
Allocate Port Service[pcie03]
ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 20 (level, low) -> IRQ 177
PCI: Setting latency timer of device 0000:00:1c.0 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[pcie00]
Allocate Port Service[pcie02]
Allocate Port Service[pcie03]
ACPI: PCI Interrupt 0000:00:1c.2[C] -> GSI 22 (level, low) -> IRQ 185
PCI: Setting latency timer of device 0000:00:1c.2 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[pcie00]
Allocate Port Service[pcie02]
Allocate Port Service[pcie03]
ibm_acpi: IBM ThinkPad ACPI Extras v0.12a
ibm_acpi: http://ibm-acpi.sf.net/
ibm_acpi: dock device not present
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
ttyS0 at I/O 0x3f8 (irq = 4) is a NS16550A
ttyS0 at I/O 0x3f8 (irq = 4) is a NS16550A
ACPI: PCI Interrupt 0000:00:1e.3[B] -> GSI 23 (level, low) -> IRQ 225
ACPI: PCI interrupt for device 0000:00:1e.3 disabled
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ide0: I/O resource 0x1F0-0x1F7 not free.
ide0: ports already in use, skipping probe
Probing IDE interface ide1...
hdc: MATSHITADVD-RAM UJ-822S, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hdc: ATAPI 24X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache
Uniform CD-ROM driver Revision: 3.20
libata version 1.12 loaded.
ata_piix version 1.04
ata: 0x170 IDE port busy
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x18C0 irq 14
ata1: dev 0 cfg 49:0f00 82:746b 83:5be8 84:4003 85:f469 86:1848 87:4003 88:203f
ata1: dev 0 ATA, max UDMA/100, 156301488 sectors:
ata1(0): applying bridge limits
ata1: dev 0 configured for UDMA/100
scsi0 : ata_piix
Vendor: ATA Model: IC25N080ATMR04-0 Rev: MO4O
Type: Direct-Access ANSI SCSI revision: 05
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
SCSI device sda: drive cache: write back
sda: sda1 sda2 sda3 < sda5 sda6 sda7 > sda4
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
mice: PS/2 mouse device common for all mice
NET: Registered protocol family 2
input: AT Translated Set 2 keyboard on isa0060/serio0
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 4, 65536 bytes)
TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
TCP reno registered
TCP bic registered
Using IPI Shortcut mode
ACPI wakeup devices:
LID SLPB UART EXP0 EXP1 EXP2 EXP3 PCI1 USB0 USB1 USB3 USB7 AC9M
ACPI: (supports S0 S3 S4 S5)
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 188k freed
Synaptics Touchpad, model: 1, fw: 5.9, id: 0x2c6ab1, caps: 0x884793/0x0
serio: Synaptics pass-through port at isa0060/serio1/input0
input: SynPS/2 Synaptics TouchPad on isa0060/serio1
NET: Registered protocol family 1
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 915GM Chipset.
agpgart: AGP aperture is 256M @ 0x0
tg3.c:v3.42 (Oct 3, 2005)
ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 169
PCI: Setting latency timer of device 0000:02:00.0 to 64
eth0: Tigon3 [partno(BCM95751M) rev 4101 PHY(5750)] (PCI Express) 10/100/1000BaseT Ethernet 00:0a:e4:c1:49:c4
eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0] WireSpeed[1] TSOcap[1]
eth0: dma_rwctrl[76180000]
hw_random: RNG not detected
IBM TrackPoint firmware: 0x0e, buttons: 3/3
input: TPPS/2 IBM TrackPoint on synaptics-pt/serio0
usbcore: registered new driver usbfs
usbcore: registered new driver hub
USB Universal Host Controller Interface driver v2.3
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 169
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:1d.0: irq 169, io base 0x00001800
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 19 (level, low) -> IRQ 233
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: debug port 1
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 17 (level, low) -> IRQ 50
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2
ehci_hcd 0000:00:1d.7: irq 233, io mem 0xa8000000
PCI: cache line size of 32 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: USB 2.0 initialized, EHCI 1.00, driver 10 Dec 2004
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 8 ports detected
snd_pcm: Unknown symbol snd_timer_notify
snd_pcm: Unknown symbol snd_timer_interrupt
snd_pcm: Unknown symbol snd_timer_new
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.1: irq 50, io base 0x00001820
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 58
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.2: irq 58, io base 0x00001840
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 19 (level, low) -> IRQ 233
PCI: Setting latency timer of device 0000:00:1d.3 to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
uhci_hcd 0000:00:1d.3: irq 233, io base 0x00001860
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1e.3[B] -> GSI 23 (level, low) -> IRQ 225
PCI: Setting latency timer of device 0000:00:1e.3 to 64
ieee80211_crypt: registered algorithm 'NULL'
MC'97 1 converters and GPIO not ready (0xff00)
ACPI: PCI Interrupt 0000:04:00.0[A] -> GSI 16 (level, low) -> IRQ 169
Yenta: CardBus bridge found at 0000:04:00.0 [1014:0532]
ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver, 1.0.0
ipw2200: Copyright(c) 2003-2004 Intel Corporation
ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 22 (level, low) -> IRQ 185
PCI: Setting latency timer of device 0000:00:1e.2 to 64
Yenta: ISA IRQ mask 0x04b8, PCI irq 169
Socket status: 30000006
pcmcia: parent PCI bridge I/O window: 0x5000 - 0x8fff
cs: IO port probe 0x5000-0x8fff: clean.
pcmcia: parent PCI bridge Memory window: 0xa8400000 - 0xb7ffffff
pcmcia: parent PCI bridge Memory window: 0xd0000000 - 0xd7ffffff
ACPI: PCI Interrupt 0000:04:02.0[A] -> GSI 21 (level, low) -> IRQ 66
ipw2200: Detected Intel PRO/Wireless 2200BG Network Connection
ohci1394: $Rev: 1313 $ Ben Collins <bcollins@debian.org>
ACPI: PCI Interrupt 0000:04:00.1[B] -> GSI 17 (level, low) -> IRQ 50
ohci1394: fw-host0: OHCI-1394 1.0 (PCI): IRQ=[50] MMIO=[b1000000-b10007ff] Max Packet=[2048]
intel8x0_measure_ac97_clock: measured 54303 usecs
intel8x0: clocking to 48000
ieee1394: Host added: ID:BUS[0-00:1023] GUID[000ae40533400918]
Adding 497972k swap on /dev/sda6. Priority:-1 extents:1 across:497972k
EXT3 FS on sda5, internal journal
ACPI: CPU0 (power states: C1[C1] C2[C2] C3[C3])
ACPI: Processor [CPU] (supports 8 throttling states)
acpi-cpufreq: CPU0 - ACPI performance management activated.
Machine check exception polling timer started.
input: PC Speaker
hdaps: IBM ThinkPad R52 detected.
hdaps: initial latch check good (0x01).
hdaps: device successfully initialized.
hdaps: driver successfully loaded.
Non-volatile memory driver v1.2
kjournald starting. Commit interval 5 seconds
EXT3 FS on sda7, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
NTFS driver 2.1.24 [Flags: R/O MODULE].
NTFS volume version 3.1.
pcmcia: Detected deprecated PCMCIA ioctl usage.
pcmcia: This interface will soon be removed from the kernel; please expect breakage unless you upgrade to new tools.
pcmcia: see http://www.kernel.org/pub/linux/utils/kernel/pcmcia/pcmcia.html for details.
cs: IO port probe 0x100-0x4ff: excluding 0x3b8-0x3df 0x3f0-0x3ff 0x4d0-0x4d7
cs: IO port probe 0x800-0x8ff: clean.
cs: IO port probe 0xc00-0xcff: excluding 0xcf8-0xcff
cs: IO port probe 0xa00-0xaff: clean.
ACPI: Battery Slot [BAT0] (battery absent)
ACPI: AC Adapter [AC] (on-line)
ACPI: Power Button (FF) [PWRF]
ACPI: Lid Switch [LID]
ACPI: Sleep Button (CM) [SLPB]
ACPI: Thermal Zone [THM0] (56 C)
wifi (WE) : Driver using old /proc/net/wireless support, please fix driver !
fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel.
[fglrx] Maximum main memory to use for locked dma buffers: 431 MBytes.
ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 169
[fglrx] module loaded - fglrx 8.18.8 [Oct 25 2005] on minor 0
[fglrx] free PCIe = 54804480
[fglrx] max PCIe = 54804480
[fglrx] free LFB = 55504896
[fglrx] max LFB = 55504896
[fglrx] free Inv = 0
[fglrx] max Inv = 0
[fglrx] total Inv = 0
[fglrx] total TIM = 0
[fglrx] total FB = 0
[fglrx] total PCIe = 16384
ieee80211_crypt: registered algorithm 'WEP'
NET: Registered protocol family 17
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 0
Buffer I/O error on device hdc, logical block 0
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 4
Buffer I/O error on device hdc, logical block 1
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 8
Buffer I/O error on device hdc, logical block 2
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 12
Buffer I/O error on device hdc, logical block 3
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 16
Buffer I/O error on device hdc, logical block 4
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 20
Buffer I/O error on device hdc, logical block 5
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 24
Buffer I/O error on device hdc, logical block 6
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 28
Buffer I/O error on device hdc, logical block 7
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 32
Buffer I/O error on device hdc, logical block 8
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 36
Buffer I/O error on device hdc, logical block 9
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 40
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 44
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 48
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 52
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 56
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 60
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 0
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 4
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 512
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 516
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 512
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x51 { IllegalLengthIndication LastFailedSense=0x05 }
ide: failed opcode was: unknown
end_request: I/O error, dev hdc, sector 516
0000:00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 03)
Subsystem: IBM: Unknown device 0575
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-
Latency: 0
Capabilities: <available only to root>

0000:00:01.0 PCI bridge: Intel Corporation Mobile 915GM/PM Express PCI Express Root Port (rev 03) (prog-if 00 [Normal decode])
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-
Latency: 0, Cache Line Size: 0x08 (32 bytes)
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: a8100000-a81fffff
Prefetchable memory behind bridge: c0000000-c7ffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
Capabilities: <available only to root>

0000:00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 03) (prog-if 00 [Normal decode])
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-
Latency: 0, Cache Line Size: 0x08 (32 bytes)
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Memory behind bridge: a8200000-a82fffff
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
Capabilities: <available only to root>

0000:00:1c.2 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 3 (rev 03) (prog-if 00 [Normal decode])
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-
Latency: 0, Cache Line Size: 0x08 (32 bytes)
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 00004000-00004fff
Memory behind bridge: a8300000-a83fffff
Prefetchable memory behind bridge: 00000000c8000000-00000000c8000000
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
Capabilities: <available only to root>

0000:00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 03) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0565
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
Interrupt: pin A routed to IRQ 169
Region 4: I/O ports at 1800 [size=32]

0000:00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 03) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0565
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
Interrupt: pin B routed to IRQ 50
Region 4: I/O ports at 1820 [size=32]

0000:00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 03) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0565
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
Interrupt: pin C routed to IRQ 58
Region 4: I/O ports at 1840 [size=32]

0000:00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 03) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0565
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
Interrupt: pin D routed to IRQ 233
Region 4: I/O ports at 1860 [size=32]

0000:00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 03) (prog-if 20 [EHCI])
Subsystem: IBM: Unknown device 0566
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
Interrupt: pin D routed to IRQ 233
Region 0: Memory at a8000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <available only to root>

0000:00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d3) (prog-if 01 [Subtractive decode])
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-
Latency: 0
Bus: primary=00, secondary=04, subordinate=07, sec-latency=64
I/O behind bridge: 00005000-00008fff
Memory behind bridge: a8400000-b7ffffff
Prefetchable memory behind bridge: 00000000d0000000-00000000d7f00000
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
Capabilities: <available only to root>

0000:00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 03)
Subsystem: IBM: Unknown device 0567
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
Interrupt: pin A routed to IRQ 185
Region 0: I/O ports at 1c00 [size=256]
Region 1: I/O ports at 1880 [size=64]
Region 2: Memory at a8000800 (32-bit, non-prefetchable) [size=512]
Region 3: Memory at a8000400 (32-bit, non-prefetchable) [size=256]
Capabilities: <available only to root>

0000:00:1e.3 Modem: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller (rev 03) (prog-if 00 [Generic])
Subsystem: IBM: Unknown device 0576
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
Interrupt: pin B routed to IRQ 225
Region 0: I/O ports at 2400 [size=256]
Region 1: I/O ports at 2000 [size=128]
Capabilities: <available only to root>

0000:00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 03)
Subsystem: IBM: Unknown device 0568
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

0000:00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 03) (prog-if 80 [Master])
Subsystem: IBM: Unknown device 056a
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: I/O ports at <unassigned>
Region 1: I/O ports at <unassigned>
Region 2: I/O ports at <unassigned>
Region 3: I/O ports at <unassigned>
Region 4: I/O ports at 18c0 [size=16]
Capabilities: <available only to root>

0000:00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 03)
Subsystem: IBM: Unknown device 056b
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 11
Region 4: I/O ports at 18e0 [size=32]

0000:01:00.0 VGA compatible controller: ATI Technologies Inc M22 [Radeon Mobility M300] (prog-if 00 [VGA])
Subsystem: IBM: Unknown device 056e
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-
Latency: 0, Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 169
Region 0: Memory at c0000000 (32-bit, prefetchable) [size=128M]
Region 1: I/O ports at 3000 [size=256]
Region 2: Memory at a8100000 (32-bit, non-prefetchable) [size=64K]
Expansion ROM at a8120000 [disabled] [size=128K]
Capabilities: <available only to root>

0000:02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751M Gigabit Ethernet PCI Express (rev 11)
Subsystem: IBM: Unknown device 0577
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-
Latency: 0, Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 169
Region 0: Memory at a8200000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <available only to root>

0000:04:00.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b3)
Subsystem: IBM: Unknown device 0532
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: 168
Interrupt: pin A routed to IRQ 169
Region 0: Memory at a8400000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=04, secondary=05, subordinate=08, sec-latency=176
Memory window 0: d0000000-d1fff000 (prefetchable)
Memory window 1: aa000000-abfff000
I/O window 0: 00005000-000050ff
I/O window 1: 00005400-000054ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001

0000:04:00.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (rev 08) (prog-if 10 [OHCI])
Subsystem: IBM: Unknown device 01cf
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 (500ns min, 1000ns max)
Interrupt: pin B routed to IRQ 50
Region 0: Memory at b1000000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <available only to root>

0000:04:02.0 Network controller: Intel Corporation PRO/Wireless 2200BG (rev 05)
Subsystem: Intel Corporation: Unknown device 2712
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 (750ns min, 6000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 66
Region 0: Memory at a8401000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <available only to root>

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