Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 8 Aug 2002 12:09:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 8 Aug 2002 12:09:40 -0400 Received: from mail.cdlsystems.com ([207.228.116.20]:34289 "EHLO cdlsystems.com") by vger.kernel.org with ESMTP id ; Thu, 8 Aug 2002 12:09:36 -0400 Message-ID: <051801c23ef6$6fac8790$2c0e10ac@frinkiac7> From: "Mark Cuss" To: , "Linux-Kernel ML" References: <1028762508.1992.309.camel@ldb> <048001c23e6b$20e1ffe0$2c0e10ac@frinkiac7> <200208072058.54512.jkorpi@mindspring.com> Subject: Re: DMA Problems with Intel 845 Chipset and Northwood CPU Date: Thu, 8 Aug 2002 10:12:47 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Return-Path: mcuss@cdlsystems.com X-MDaemon-Deliver-To: linux-kernel@vger.kernel.org Reply-To: mcuss@cdlsystems.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 13938 Lines: 347 Thanks - that did the trick - the system runs much better with DMA on the hard disk :) Does anyone know if this patch will be included in the 2.4.20 release kernel? Thanks Mark ----- Original Message ----- From: "John L. Korpi" To: ; "Linux-Kernel ML" Sent: Wednesday, August 07, 2002 6:58 PM Subject: Re: DMA Problems with Intel 845 Chipset and Northwood CPU > Had a similar problem with similar chipsets. 2.4.19-ac4 fixed the problem. > > Cheers > > jlk > > On Wednesday 07 August 2002 07:35 pm, Mark Cuss wrote: > > Hello all, > > > > Please accept my apologies if this question has already been answered.... > > > > I have a new Pentium 4 computer and I can't get the DMA working for hard > > disk transfers. Specifically, its a Dell Dimension 4500 with a Pentium 4 > > 2.26 GHz processor (Northwood) and an 845 (Brookdale) chipset. RedHat > > 7.3.... > > > > I noticed that the hard disk transfers were very slow. I tried to set up > > DMA with hdparm - see below: > > > > [root@yoda ide]# hdparm /dev/hda > > > > /dev/hda: > > multcount = 16 (on) > > I/O support = 0 (default 16-bit) > > unmaskirq = 0 (off) > > using_dma = 0 (off) > > keepsettings = 0 (off) > > nowerr = 0 (off) > > readonly = 0 (off) > > readahead = 8 (on) > > geometry = 4866/255/63, sectors = 78177792, start = 0 > > busstate = 1 (on) > > [root@yoda ide]# hdparm -d1 /dev/hda > > > > /dev/hda: > > setting using_dma to 1 (on) > > HDIO_SET_DMA failed: Operation not permitted > > using_dma = 0 (off) > > [root@yoda ide]# > > > > I thought that perhaps the chipset had changed between this Northwood > > machine an the older core - I have a P4 1.8 GHz machine that DMA works fine > > on. I upgraded to kernel 2.4.19 with no change. > > > > The IDE controller (according to Windows XP....) is an Intel 82801DB Ultra > > ATA Storage Controller - 24CB. I've included the lspci --vvx listing from > > the problem machine below - my aplogies for the long list. If anyone has > > any suggestions I'd really appreciate them... > > > > Thanks.... > > > > Mark > > > > lspci listing: > > > > 00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge > > (rev 11) > > Subsystem: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR+ FastB2B- > > Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- > SERR- > Latency: 0 > > Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M] > > Capabilities: [e4] #09 [a104] > > Capabilities: [a0] AGP version 2.0 > > Status: RQ=31 SBA+ 64bit- FW+ Rate=x1,x2 > > Command: RQ=0 SBA- AGP+ 64bit- FW- Rate= > > 00: 86 80 30 1a 06 01 90 20 11 00 00 06 00 00 00 00 > > 10: 08 00 00 f0 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 30 1a > > 30: 00 00 00 00 e4 00 00 00 00 00 00 00 00 00 00 00 > > > > 00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP Bridge > > (rev 11) (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- > SERR- > Latency: 64 > > Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 > > Memory behind bridge: fc700000-fe7fffff > > Prefetchable memory behind bridge: dc300000-ec4fffff > > BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B- > > 00: 86 80 31 1a 07 01 a0 00 11 00 04 06 00 40 01 00 > > 10: 00 00 00 00 00 00 00 00 00 01 01 40 f0 00 a0 22 > > 20: 70 fc 70 fe 30 dc 40 ec 00 00 00 00 00 00 00 00 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0a 00 > > > > 00:1d.0 USB Controller: Intel Corp.: Unknown device 24c2 (rev 01) (prog-if > > 00 [UHCI]) > > Subsystem: Dell Computer Corporation: Unknown device 0132 > > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR- FastB2B- > > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 0 > > Interrupt: pin A routed to IRQ 11 > > Region 4: I/O ports at e800 [size=32] > > 00: 86 80 c2 24 05 00 80 02 01 00 03 0c 00 00 80 00 > > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 01 e8 00 00 00 00 00 00 00 00 00 00 28 10 32 01 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 0b 01 00 00 > > > > 00:1d.1 USB Controller: Intel Corp.: Unknown device 24c4 (rev 01) (prog-if > > 00 [UHCI]) > > Subsystem: Dell Computer Corporation: Unknown device 0132 > > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR- FastB2B- > > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 0 > > Interrupt: pin B routed to IRQ 5 > > Region 4: I/O ports at e880 [size=32] > > 00: 86 80 c4 24 05 00 80 02 01 00 03 0c 00 00 00 00 > > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 81 e8 00 00 00 00 00 00 00 00 00 00 28 10 32 01 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 05 02 00 00 > > > > 00:1d.2 USB Controller: Intel Corp.: Unknown device 24c7 (rev 01) (prog-if > > 00 [UHCI]) > > Subsystem: Dell Computer Corporation: Unknown device 0132 > > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR- FastB2B- > > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 0 > > Interrupt: pin C routed to IRQ 9 > > Region 4: I/O ports at ec00 [size=32] > > 00: 86 80 c7 24 05 00 80 02 01 00 03 0c 00 00 00 00 > > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 01 ec 00 00 00 00 00 00 00 00 00 00 28 10 32 01 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 09 03 00 00 > > > > 00:1d.7 USB Controller: Intel Corp.: Unknown device 24cd (rev 01) (prog-if > > 20 [EHCI]) > > Subsystem: Dell Computer Corporation: Unknown device 0132 > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR+ FastB2B- > > Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 0 > > Interrupt: pin D routed to IRQ 10 > > Region 0: Memory at febffc00 (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: 86 80 cd 24 06 01 90 02 01 20 03 0c 00 00 00 00 > > 10: 00 fc bf fe 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 32 01 > > 30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 04 00 00 > > > > 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA PCI Bridge (rev 81) (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- > SERR- > Latency: 0 > > Bus: primary=00, secondary=02, subordinate=02, sec-latency=32 > > I/O behind bridge: 0000d000-0000dfff > > Memory behind bridge: fe800000-feafffff > > Prefetchable memory behind bridge: ec500000-ec5fffff > > BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B- > > 00: 86 80 4e 24 07 01 80 80 81 00 04 06 00 00 01 00 > > 10: 00 00 00 00 00 00 00 00 00 02 02 20 d0 d0 80 22 > > 20: 80 fe a0 fe 50 ec 50 ec 00 00 00 00 00 00 00 00 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06 00 > > > > 00:1f.0 ISA bridge: Intel Corp.: Unknown device 24c0 (rev 01) > > Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- > > Stepping- SERR+ FastB2B- > > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 0 > > 00: 86 80 c0 24 0f 01 80 02 01 00 01 06 00 00 80 00 > > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > > > 00:1f.1 IDE interface: Intel Corp.: Unknown device 24cb (rev 01) (prog-if > > 8a [Master SecP PriP]) > > Subsystem: Dell Computer Corporation: Unknown device 0132 > > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR- FastB2B- > > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 0 > > Interrupt: pin A routed to IRQ 9 > > Region 0: I/O ports at [size=8] > > Region 1: I/O ports at [size=4] > > Region 2: I/O ports at [size=8] > > Region 3: I/O ports at [size=4] > > Region 4: I/O ports at ffa0 [size=16] > > Region 5: Memory at 20000000 (32-bit, non-prefetchable) [disabled] > > [size=1K] > > 00: 86 80 cb 24 05 00 80 02 01 8a 01 01 00 00 00 00 > > 10: 01 00 00 00 01 00 00 00 01 00 00 00 01 00 00 00 > > 20: a1 ff 00 00 00 00 00 20 00 00 00 00 28 10 32 01 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 01 00 00 > > > > 00:1f.3 SMBus: Intel Corp.: Unknown device 24c3 (rev 01) > > Subsystem: Dell Computer Corporation: Unknown device 0132 > > Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR- FastB2B- > > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Interrupt: pin B routed to IRQ 3 > > Region 4: I/O ports at e480 [size=32] > > 00: 86 80 c3 24 01 00 80 02 01 00 05 0c 00 00 00 00 > > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > 20: 81 e4 00 00 00 00 00 00 00 00 00 00 28 10 32 01 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 03 02 00 00 > > > > 01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4 > > Ti4200] (rev a3) (prog-if 00 [VGA]) > > Subsystem: nVidia Corporation: Unknown device 0132 > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR- FastB2B- > > Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 248 (1250ns min, 250ns max) > > Interrupt: pin A routed to IRQ 11 > > Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M] > > Region 1: Memory at e0000000 (32-bit, prefetchable) [size=128M] > > Region 2: Memory at ec480000 (32-bit, prefetchable) [size=512K] > > Expansion ROM at fe7e0000 [disabled] [size=128K] > > Capabilities: [60] 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- > > Capabilities: [44] AGP version 2.0 > > Status: RQ=31 SBA+ 64bit- FW+ Rate=x1,x2 > > Command: RQ=31 SBA- AGP+ 64bit- FW- Rate= > > 00: de 10 53 02 07 00 b0 02 a3 00 00 03 00 f8 00 00 > > 10: 00 00 00 fd 08 00 00 e0 08 00 48 ec 00 00 00 00 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 de 10 32 01 > > 30: 00 00 00 00 60 00 00 00 00 00 00 00 0b 01 05 01 > > > > 02:00.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev > > 10) > > Subsystem: Intel Corp.: Unknown device 0071 > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > > Stepping- SERR+ FastB2B- > > Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- > Latency: 64 (2000ns min, 14000ns max), cache line size 08 > > Interrupt: pin A routed to IRQ 11 > > Region 0: Memory at feaff000 (32-bit, non-prefetchable) [size=4K] > > Region 1: I/O ports at dc00 [size=64] > > Region 2: Memory at feac0000 (32-bit, non-prefetchable) [size=128K] > > Expansion ROM at feae0000 [disabled] [size=64K] > > 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=2 PME- > > 00: 86 80 29 12 17 01 90 02 10 00 00 02 08 40 00 00 > > 10: 00 f0 af fe 01 dc 00 00 00 00 ac fe 00 00 00 00 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 71 00 > > 30: 00 00 ae fe dc 00 00 00 00 00 00 00 0b 01 08 38 > > > > 02:02.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24 > > [CrystalClear SoundFusion Audio Accelerator] (rev 01) > > Subsystem: Voyetra Technologies: Unknown device 3357 > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > > Stepping- SERR+ FastB2B- > > Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- > SERR- > Latency: 64 (1000ns min, 6000ns max) > > Interrupt: pin A routed to IRQ 9 > > Region 0: Memory at feafd000 (32-bit, non-prefetchable) [size=4K] > > Region 1: Memory at fe900000 (32-bit, non-prefetchable) [size=1M] > > 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- > > 00: 13 10 03 60 06 01 10 04 01 00 01 04 00 40 00 00 > > 10: 00 d0 af fe 00 00 90 fe 00 00 00 00 00 00 00 00 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 53 50 57 33 > > 30: 00 00 00 00 40 00 00 00 00 00 00 00 09 01 04 18 > > > > > > - > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > -- > John L. Korpi, Ph.D. -- Senior Scientist, Networks & Infrastructure > NeuStar, Inc. > Voice: 1.216.241.2919, 1.703.435.0682 > Mobile: 1.216.233.3042 Pager: 1.800.398.2959 > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/