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    SubjectRe: With Daniel Phillips Patch (was: aic7xxx with 2.4.9 on 7899P)
    On August 22, 2001 12:44 am, Sven Heinicke wrote:
    > Great, with 2.4.8-ac8 I get no memory problems. Can you tell me what
    > file(s) where modified to fix this to I can look for the fixes in
    > future vanilla kernels?
    > Thanks! Now to work on the drive speed problem, it's faster with your
    > fix but still slower at writing then my IDE drive on another systems.

    It's a highmem scanning problem, these were supposed to be fixed in a series
    of changes back in 2.4.8-pre, but they're not completely gone yet. I've cc'd
    a few people who've shown interest in this ugly^H^H^H^H particular corner of
    the kernel, but now I'm shutting down for the night. Guys, can you please
    take a look at this one? It's time to put the highmem allocation problem
    definitively to rest. Most likely, this problem occurs in -ac as well, just
    with less frequency.

    > Daniel Phillips writes:
    > > On August 21, 2001 06:48 pm, Sven Heinicke wrote:
    > > > Yes, highmem was on, the stystem got 4G of memory. I turned off
    > > > highmem and got no messages apart from one:
    > > >
    > > > Aug 21 07:29:19 ps1 kernel: (scsi0:A:0:0): Locking max tag count at 64
    > > >
    > > > which I was getting before.
    > > >
    > > > Disk access is faster then before but still slower then the IDE
    > > > drive. Any ideas?
    > >
    > > Two separate problems, I think. I don't know anything about the aic7xxx
    > > driver but I can take a look at the highmem problem. First, can you try
    > > it with highmem enabled, on a recent -ac kernel, say 2.4.8-ac7.
    > >
    > > --
    > > Daniel

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