From: "Alexei V. Mezin" <mezin@ntmdt.ru> To: hardware@altlinux.ru Subject: [Hardware] kernel 2.6.6 , USB2 и Adaptec SCSI Date: Mon, 28 Jun 2004 10:57:27 +0400 Message-ID: <111492055.20040628105727@ntmdt.ru> (raw) 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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