PROBLEM: 2.6.0-test11 missing acpi-performance interface on centrino

From: Robert Freund
Date: Tue Dec 02 2003 - 11:13:09 EST

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[1.] One line summary of the problem:
In 2.6.0-test11 the acpi/performance interface is missing on centrino.

[2.] Full description of the problem/report:
On a centrino/pentium m machine (cpu family 6, model 9, stepping 5) running
2.6.0-test11 I have the problem that in spite of
CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
with activated cpu frequency scaling the acpi/performance interface
(/proc/acpi/.../performance) is missing.

[3.] Keywords (i.e., modules, networking, kernel):
acpi, cpufreq, centrino, pentium m

[4.] Kernel version (from /proc/version):
Linux version 2.6.0-test11-gentoo (root@kaim) (gcc version
3.3.2 20031022 (Gentoo Linux 3.3.2-r2, propolice)) #7 Mon Dec 1 00:57:25 UTC
2003

[5.] Output ...
When booting, I get this message:
cpufreq: No CPUs supporting ACPI performance management found.

[7.2.] Processor information (from /proc/cpuinfo):
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 9
model name : Intel(R) Pentium(R) M processor 1300MHz
stepping : 5
cpu MHz : 1299.085
cache size : 1024 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 mce cx8 apic sep mtrr pge mca cmov
pat clflush dts acpi mmx fxsr sse sse2 tm pbe tm2 est
bogomips : 2564.09

[7.3.] Module information (from /proc/modules):
sd_mod 14624 2 - Live 0xe0904000
usb_storage 27136 1 - Live 0xe0940000
hid 33472 0 - Live 0xe0936000
uhci_hcd 32912 0 - Live 0xe092c000
ehci_hcd 24836 0 - Live 0xe08f6000
usbcore 111836 6 usb_storage,hid,uhci_hcd,ehci_hcd, Live 0xe090f000

[X.] Other notes, patches, fixes, workarounds:
/proc/acpi/.../performance works under 2.4.22 (without cpu-freq-scaling).
In 2.6.0-test11 cpu frequency scaling works as far as I can judge, I can
make all settings through /sys/.../cpufreq and these seem to actually work,
too.
The kernel .config can be viewed at
http://www-lehre.inf.uos.de/~rfreund/config-2.6.0-test11
if needed.

[7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
/proc/ioports:
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
0170-0177 : ide1
01f0-01f7 : ide0
0376-0376 : ide1
03c0-03df : vga+
03f6-03f6 : ide0
04d0-04d1 : pnp 00:0b
0cf8-0cff : PCI conf1
1000-107f : 0000:00:1f.0
1000-105f : pnp 00:0b
1060-107f : pnp 00:0b
1180-11bf : 0000:00:1f.0
1180-11bf : pnp 00:0b
1800-181f : 0000:00:1d.0
1800-181f : uhci_hcd
1820-183f : 0000:00:1d.1
1820-183f : uhci_hcd
1840-185f : 0000:00:1d.2
1840-185f : uhci_hcd
1860-186f : 0000:00:1f.1
1860-1867 : ide0
1868-186f : ide1
1880-189f : 0000:00:1f.3
18c0-18ff : 0000:00:1f.5
1c00-1cff : 0000:00:1f.5
2000-207f : 0000:00:1f.6
2400-24ff : 0000:00:1f.6
3000-3fff : PCI Bus #01
3000-30ff : 0000:01:00.0

/proc/iomem:
00000000-0009f7ff : System RAM
0009f800-0009ffff : reserved
000a0000-000bffff : Video RAM area
000d0000-000d17ff : Extension ROM
000f0000-000fffff : System ROM
00100000-1ff6ffff : System RAM
00100000-003828b4 : Kernel code
003828b5-00476d7f : Kernel data
1ff70000-1ff7afff : ACPI Tables
1ff7b000-1ff7ffff : ACPI Non-volatile Storage
1ff80000-1fffffff : reserved
20000000-200003ff : 0000:00:1f.1
20001000-20001fff : 0000:02:06.1
d0000000-d00003ff : 0000:00:1d.7
d0000000-d00003ff : ehci_hcd
d0000800-d00008ff : 0000:00:1f.5
d0000800-d00008ff : Intel 82801DB-ICH4 - Controller
d0000c00-d0000dff : 0000:00:1f.5
d0000c00-d0000dff : Intel 82801DB-ICH4 - AC'97
d0100000-d01fffff : PCI Bus #01
d0100000-d010ffff : 0000:01:00.0
d0200000-d0203fff : 0000:02:07.0
d0204000-d0205fff : 0000:02:02.0
d0204000-d0205fff : b44
d0206000-d0206fff : 0000:02:04.0
d0207000-d0207fff : 0000:02:06.0
d0208000-d0208fff : 0000:02:06.2
d0209000-d02097ff : 0000:02:07.0
d0209000-d02097ff : ohci1394
d8000000-dfffffff : PCI Bus #01
d8000000-dfffffff : 0000:01:00.0
e0000000-efffffff : 0000:00:00.0
ff800000-ffbfffff : reserved
fff00000-ffffffff : reserved

[7.5.] PCI information ('lspci -vvv' as root)
00:00.0 Host bridge: Intel Corp. 82855PM Processor to I/O Controller (rev
03)
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=256M]
Capabilities: [e4] #09 [f104]
Capabilities: [a0] AGP version 2.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64-
HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW-
Rate=x1

00:01.0 PCI bridge: Intel Corp. 82855PM Processor to AGP Controller (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: 96
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 00003000-00003fff
Memory behind bridge: d0100000-d01fffff
Prefetchable memory behind bridge: d8000000-dfffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-

00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 03) (prog-if
00 [UHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 10
Region 4: I/O ports at 1800 [size=32]

00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 03) (prog-if
00 [UHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 5
Region 4: I/O ports at 1820 [size=32]

00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 03) (prog-if
00 [UHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 10
Region 4: I/O ports at 1840 [size=32]

00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 03) (prog-if 20
[EHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 10
Region 0: Memory at d0000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] #0a [2080]

00:1e.0 PCI bridge: Intel Corp. 82801BAM/CAM PCI Bridge (rev 83) (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
Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
I/O behind bridge: 00004000-00004fff
Memory behind bridge: d0200000-d05fffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-

00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller (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: 0

00:1f.1 IDE interface: Intel Corp. 82801DBM Ultra ATA Storage Controller
(rev 03) (prog-if 8a [Master SecP PriP])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 10
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 1860 [size=16]
Region 5: Memory at 20000000 (32-bit, non-prefetchable) [size=1K]

00:1f.3 SMBus: Intel Corp. 82801DB/DBM SMBus Controller (rev 03)
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 B routed to IRQ 10
Region 4: I/O ports at 1880 [size=32]

00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio
Controller (rev 03)
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 10
Region 0: I/O ports at 1c00 [size=256]
Region 1: I/O ports at 18c0 [size=64]
Region 2: Memory at d0000c00 (32-bit, non-prefetchable) [size=512]
Region 3: Memory at d0000800 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:1f.6 Modem: Intel Corp. 82801DB AC'97 Modem Controller (rev 03) (prog-if
00 [Generic])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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 10
Region 0: I/O ports at 2400 [size=256]
Region 1: I/O ports at 2000 [size=128]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R250 Lf
[Radeon Mobility 9000 M9] (rev 01) (prog-if 00 [VGA])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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: 66 (2000ns min), cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d8000000 (32-bit, prefetchable) [size=128M]
Region 1: I/O ports at 3000 [size=256]
Region 2: Memory at d0100000 (32-bit, non-prefetchable) [size=64K]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [58] AGP version 2.0
Status: RQ=48 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64-
HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
Command: RQ=1 ArqSz=0 Cal=0 SBA+ AGP- GART64- 64bit- FW-
Rate=<none>
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-

02:02.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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: 64
Interrupt: pin A routed to IRQ 5
Region 0: Memory at d0204000 (32-bit, non-prefetchable) [size=8K]
Expansion ROM at <unassigned> [disabled] [size=32K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-

02:04.0 Network controller: Intel Corp. PRO/Wireless LAN 2100 3B Mini PCI
Adapter (rev 04)
Subsystem: Intel Corp.: Unknown device 2527
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, 8500ns max), cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d0206000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-

02:06.0 CardBus bridge: O2 Micro, Inc.: Unknown device 7114 (rev 20)
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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: 64
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d0207000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
Memory window 0: d0400000-d04ff000 (prefetchable)
Memory window 1: d0300000-d03ff000 (prefetchable)
I/O window 0: 00004400-000044ff
I/O window 1: 00004000-000040ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+
PostWrite-
16-bit legacy interface ports at 0001

02:06.1 CardBus bridge: O2 Micro, Inc.: Unknown device 7114 (rev 20)
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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-
Interrupt: pin A routed to IRQ 10
Region 0: Memory at 20001000 (32-bit, non-prefetchable) [disabled]
[size=4K]
Bus: primary=02, secondary=07, subordinate=0a, sec-latency=176
Memory window 0: 00000000-00000000 [disabled]
Memory window 1: 00000000-00000000 [disabled]
I/O window 0: 00000000-00000003 [disabled]
I/O window 1: 00000000-00000003 [disabled]
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt-
PostWrite-
16-bit legacy interface ports at 0001

02:06.2 System peripheral: O2 Micro, Inc.: Unknown device 7110
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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-
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d0208000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [a0] 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-

02:07.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000
Controller (PHY/Link) (prog-if 10 [OHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
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), cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d0209000 (32-bit, non-prefetchable) [size=2K]
Region 1: Memory at d0200000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] 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+

[7.6.] SCSI information (from /proc/scsi/scsi)
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: QSI Model: CDRW/DVD SBW-242 Rev: UX08
Type: CD-ROM ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: ST312002 Model: 2A Rev: 0 0
Type: Direct-Access ANSI SCSI revision: 02

[7.7.] Other information that might be relevant to the problem
(please look in /proc and include all information that you
think to be relevant):
/proc/acpi/cpu/CPU0/info:
processor id: 0
acpi id: 0
bus mastering control: yes
power management: yes
throttling control: no
performance management: no
limit interface: yes

Interesting parts of .config:
#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
# CONFIG_CPU_FREQ_PROC_INTF is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_24_API=y
CONFIG_CPU_FREQ_TABLE=y

#
# CPUFreq processor drivers
#
CONFIG_X86_ACPI_CPUFREQ=y
CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
# CONFIG_X86_POWERNOW_K6 is not set
# CONFIG_X86_POWERNOW_K7 is not set
# CONFIG_X86_POWERNOW_K8 is not set
# CONFIG_X86_GX_SUSPMOD is not set
CONFIG_X86_SPEEDSTEP_CENTRINO=y

Regards,
Robert

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