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