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Daniel Drake posted <44312B63.1090009@g.o>, excerpted below, on |
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Mon, 03 Apr 2006 15:04:19 +0100: |
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>> Linux 2.6.16 will be in the tree very soon. Assuming there aren't any |
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>> major problems, we'll hopefully be marking it stable in 2-3 weeks. |
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> |
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> We're planning to mark it stable on 10th April. Maybe a few days later, |
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> need to double check that we don't have any in-kernel 2.6.16 showstoppers. |
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This isn't a show-stopper, but it's possible you'll get others running |
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into the issue that understand as little as I did about it... Maybe this |
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will save folks the hair tearing frustration I went thru tracing it. |
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AMD64 > 4G memory: SCSI formerly (2.6.15 and earlier) used |
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bounce-buffers. It now relies on the IOMMU, either the hardware GART |
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IOMMU for true AMD64, or a software emulation thereof for Intel's EM64T. |
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It'll need to be configured into the kernel and working. Also, here, I |
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had a BIOS issue. AGP Hypertransport Fast-writes had to be disabled in |
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ordered for the IOMMU (and DRI/DRM) to function. Because the kernel froze |
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every time I tried IOMMU, I had the kernel configured without it, so I had |
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/two/ changes to trace down and make, before it would work, thus the |
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problem, since either one alone wasn't enough. |
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-- |
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Duncan - List replies preferred. No HTML msgs. |
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"Every nonfree program has a lord, a master -- |
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and if you use the program, he is your master." Richard Stallman in |
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http://www.linuxdevcenter.com/pub/a/linux/2004/12/22/rms_interview.html |
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-- |
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