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#1
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IDE extend card anything related to OS?
Hello. Recently my FreeBSD keep complaining DMA ICRC error on r/w hdd
(os hangs sometimes). I tried to hang my hdd to both primary/secondary ide controller in either slave or master mode, and the problem keeps still. I later turned off dma in the OS thus I no longer get complains. I think it's enough to say my IDE controllers are broken. I decide I should by an IDE extend card (I am not sure of the device's English name, it is a PCI card that has several IDE slot where you can plug ide hdd/cdrom on it.) My question: is IDE extend card related to OS? Do I have to buy an 'freebsd complaint' card, or it is not related to OS and any such device will work? My FreeBSD IDE controller driver said it could support many controllers, and the manual says for unknown controllers the max speed is 16/MB If the IDE extend card has a supported controller, I don't need anything else to make FreeBSD use it? |
#2
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Hello. Recently my FreeBSD keep complaining DMA ICRC error on r/w hdd
(os hangs sometimes). I tried to hang my hdd to both primary/secondary ide controller in either slave or master mode, and the problem keeps still. I later turned off dma in the OS thus I no longer get complains. If you have another hard drive you can use, try windows on that machine and see if the same thing occurs. I would suspect the drive itself is the problem and not the controller though.. although if it runs fine in PIO mode (non-dma), then it could be something as simple as the cable is worn (and having problems at udma speeds).. Are you using standard 40 wire IDE cables, or 80 wire ATA cables (will usually be blue/red on one end) ? A google search for "freebsd"+"UDMA ICRC error" reveals a number of posts to various freebsd forums. My question: is IDE extend card related to OS? Do I have to buy an 'freebsd complaint' card, or it is not related to OS and any such device will work? Check the supported hardware list on freebsd.org for the version you're running (e.g. 4.x, 5.x, etc).. freebsd it pretty good with support for just about anything so you shouldn't have too many troubles.. Regards, Chris |
#3
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IDE expansion cards emulate SCSI. You will need a driver for FreeBSD. The Promise cards I am familiar with have excellent performance with hard drives but poor performance with optical drives. It would be much to your advantage to get your optical drives to work on the motherboard ports. Zhang Weiwu wrote: Hello. Recently my FreeBSD keep complaining DMA ICRC error on r/w hdd (os hangs sometimes). I tried to hang my hdd to both primary/secondary ide controller in either slave or master mode, and the problem keeps still. I later turned off dma in the OS thus I no longer get complains. I think it's enough to say my IDE controllers are broken. I decide I should by an IDE extend card (I am not sure of the device's English name, it is a PCI card that has several IDE slot where you can plug ide hdd/cdrom on it.) My question: is IDE extend card related to OS? Do I have to buy an 'freebsd complaint' card, or it is not related to OS and any such device will work? My FreeBSD IDE controller driver said it could support many controllers, and the manual says for unknown controllers the max speed is 16/MB If the IDE extend card has a supported controller, I don't need anything else to make FreeBSD use it? -- When replying by Email include NewSGrouP (case sensitive) in Subject Mike Walsh West Palm Beach, Florida, U.S.A. |
#4
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Skeleton Man wrote:
Hello. Recently my FreeBSD keep complaining DMA ICRC error on r/w hdd (os hangs sometimes). I tried to hang my hdd to both primary/secondary ide controller in either slave or master mode, and the problem keeps still. I later turned off dma in the OS thus I no longer get complains. If you have another hard drive you can use, try windows on that machine and see if the same thing occurs. Yesterday I tried Linux which could not even boot. Linux hangs at any large r/w operation like lunching KDE. I would suspect the drive itself is the problem and not the controller though.. although if it runs fine in PIO mode (non-dma), then it could be something as simple as the cable is worn (and having problems at udma speeds).. Are you using standard 40 wire IDE cables, or 80 wire ATA cables (will usually be blue/red on one end) ? standard 40 wires. I did a bit more test and it seems something on the motherboard is wrong because the motherboard is taken from another box where Linux complains "DMA Timeout". But after the other box replace motherboard this did not happen again. |
#5
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1. On my FreeBSD 4.10 the promise Ultra66 is recognized as ad5 by
default ata drive, no drive needed. However I have to manually run /dev sh MAKEDEV ad5 in order to get root mounted from /dev/hd5 2. The BIOS and Windows (after installed drive) think the HDD is SCSI disc but FreeBSD is smart enough to know it is IDE device. In freeBSD no need to compile kernel with SCSI support. 3. Following advice, I did not plug CDROM onto the IDE card. 4. Seems not possible to adjust boot sequance on IDE card. It ssmes, if I set to boot from SCSI (which is the IDE expansion card) in BIOS, it always boot from first bootable device, from ad5 to ad8 (in FreeBSD term) 5. The extended hdd on IDE card r/w much faster in FreeBSD then in Win2k. Not sure if it is just my feeling. |
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