* [Hardware] kernel 2.6.6 , USB2 и Adaptec SCSI
@ 2004-06-28 6:57 Alexei V. Mezin
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From: Alexei V. Mezin @ 2004-06-28 6:57 UTC (permalink / raw)
To: hardware
Hello ,
С удивлением обнаружил, что на 2.6.6-vs26-smp-alt5 перестала правильно
работать USB2. Имеем кроме встроенного в плату (VIA 694D) USB, еще
карту в PCI:
00:0e.0 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc. PCI-USB2 (OHCI subsystem)
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 (250ns min, 10500ns max), cache line size 08
Interrupt: pin A routed to IRQ 16
Region 0: Memory at df020000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] 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-
Кроме того имеется:
00:10.0 SCSI storage controller: Adaptec AHA-2940U/UW/D / AIC-7881U
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 (2000ns min, 2000ns max), cache line size 08
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at c800 [disabled] [size=256]
Region 1: Memory at df023000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at <unassigned> [disabled] [size=64K]
При загруженных ehci-hcd и aic7xxx скорость чтения с CF-reader'а
уверенно составляет всего 400 кб. Без aic7xxx скорость около 800 кб,
т.е. прям как на USB1.
Тут же для проверки загружаю 2.4.26-alt-что-то-там, и скорость чтения
с той же флэшки 4.5-5 Мб.
Это чего ж такое?
--
Best regards,
Alexei V. Mezin mailto:mezin@ntmdt.ru
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2004-06-28 6:57 [Hardware] kernel 2.6.6 , USB2 и Adaptec SCSI Alexei V. Mezin
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