Re: installing 6.0-BETA3

From: Mikhail Teterin (mi+mx_at_aldan.algebra.com)
Date: 08/30/05

  • Next message: stanley jobson: "Re: gjournal beta3" 
    To: Miguel Mendez <flynn@energyhq.es.eu.org>
Date: Tue, 30 Aug 2005 12:23:20 -0400

    > > . Something is wrong with the ed-driver (in my case --
    > > Kingston's KNE-PC2T, FCC ID L40WST200). Kernel reports
    > > being unable to do something with pccard1, then reports
    > > ed1: ....
    > > and hangs. I let it wait for an hour and it never continued
    > > booting. I'll try to investigate, when I'm done installing.
    > > The card worked just fine in a newer Pentium-II laptop under
    > > FreeBSD-5.x
    >
    > If the card is a 16bit pcmcia car make sure the bridge is set to 16bit.

    How do I do that?

    > I had a similar problem on an old Thinkpad when trying to use a 32bit
    > cardbus nic while the bridge was set to default to 16bit in the BIOS.

    Both -- the hanging ed1 and the working wi0 are 16bit 5volt cards, according
    to their labeling. Prior to the ed1-hang, there is a message about 32 cfe
    allocation failure.

    > I don't see any advantage in using the partition-less mode.

    Less layers, and (slightly) more diskspace -- just feels neater, I guess. But
    the BIOS would not boot, so out with it in this case.

    > I wouldn't blame WITNESS on this. Laptops, especially old ones, have
    > incredibly slow disks. The buildworld process is heavily i/o bounded,
    > my bet is on the disk subsystem.

    According to systat and top, the CPU is never idle -- as would've been the
    case, if the I/O were the limiting factor. The Sys-component of `systat -vm'
    was steadily above 50%.

    Now that I have a witness-less kernel, the builds are, indeed, I/O bound.

            -mi
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