• Bug#267006: Bug#267014: I think it's a hardware bug

    From Matthew Wilcox@1:229/2 to Mike Fedyk on Sat Aug 21 02:00:29 2004
    XPost: linux.debian.kernel
    From: [email protected]

    On Fri, Aug 20, 2004 at 02:29:50PM -0700, Mike Fedyk wrote:
    Hi,

    Sorry for the premature bug report, but it looks like the problem was
    caused by a 32-bit PCI SCSI card in a 64-bit slot.

    32-bit PCI cards should work without problems in 64-bit slots, though.

    --
    "Next the statesmen will invent cheap lies, putting the blame upon
    the nation that is attacked, and every man will be glad of those conscience-soothing falsities, and will diligently study them, and refuse
    to examine any refutations of them; and thus he will by and by convince
    himself that the war is just, and will thank God for the better sleep
    he enjoys after this process of grotesque self-deception." -- Mark Twain


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  • From Mike Fedyk@1:229/2 to Matthew Wilcox on Sat Aug 21 02:40:07 2004
    XPost: linux.debian.kernel
    From: [email protected]

    Matthew Wilcox wrote:

    On Fri, Aug 20, 2004 at 02:29:50PM -0700, Mike Fedyk wrote:


    Hi,

    Sorry for the premature bug report, but it looks like the problem was >>caused by a 32-bit PCI SCSI card in a 64-bit slot.



    32-bit PCI cards should work without problems in 64-bit slots, though.

    That's what I thought, but I have an Adaptec 2940UW card that causes instability reliably in 64bit pci slots.

    Maybe the card can't handle 66Mhz? Does 64bit pci always mean 66Mhz?


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  • From Matthew Wilcox@1:229/2 to Mike Fedyk on Sat Aug 21 14:40:06 2004
    XPost: linux.debian.kernel
    From: [email protected]

    On Fri, Aug 20, 2004 at 05:15:36PM -0700, Mike Fedyk wrote:
    Matthew Wilcox wrote:
    32-bit PCI cards should work without problems in 64-bit slots, though.

    That's what I thought, but I have an Adaptec 2940UW card that causes instability reliably in 64bit pci slots.

    Maybe the card can't handle 66Mhz? Does 64bit pci always mean 66Mhz?

    Nope, 64-bit and 66-MHz are independent features. Unless the card lies
    (by claiming to do 66MHz when it can't), putting a 33MHz card on a 66MHz
    bus will simply cause the entire bus to run at 33MHz.

    --
    "Next the statesmen will invent cheap lies, putting the blame upon
    the nation that is attacked, and every man will be glad of those conscience-soothing falsities, and will diligently study them, and refuse
    to examine any refutations of them; and thus he will by and by convince
    himself that the war is just, and will thank God for the better sleep
    he enjoys after this process of grotesque self-deception." -- Mark Twain


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