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    SubjectRe: aacraid and large memory problem (2.6.0-test11)
    Date
    In article <1070396482.16903.11.camel@markh1.pdx.osdl.net>,
    Mark Haverkamp <markh@osdl.org> wrote:
    | On Tue, 2003-12-02 at 11:35, Kevin Fenzi wrote:
    | > -----BEGIN PGP SIGNED MESSAGE-----
    | > Hash: SHA1
    | >
    | >
    | > Greetings,
    | >
    | > Booting 2.6.0-test11 on a machine with 8GB memory and using the
    | > aacraid driver results in a hang on boot. Passing mem=2048M causes it
    | > to boot normally. 4GB also hangs. 2.6.0-test8 booted normally on this
    | > same hardware.
    | >
    | > 8GB memory, dual xeon 3.06mhz with hyperthreading, RedHat 9 on it
    | > currently.
    | >
    | > Happy to provide details on setup/software, etc.
    | >
    | > Perhaps this patch in 2.6.0-test9 is the culprit?
    | > http://www.linuxhq.com/kernel/v2.6/0-test9/drivers/scsi/aacraid/comminit.c
    |
    | This patch is what made aacraid work with over 4 gig of memory for me.
    | I have an 8 proc system with 16gig of memory and without this patch I
    | get data corruption in high memory.
    |
    | I don't boot on the aacraid though.

    It would be interesting to know what memory model is being used in each
    case. Both CONFIG_HIGHMEM* and maybe user/kernel split might play.

    Based on one boot with one machine, 4G RAM, it didn't hang.
    Unfortunately a production machine, I was playing following some
    "unscheduled maintenence."
    --
    bill davidsen <davidsen@tmr.com>
    CTO, TMR Associates, Inc
    Doing interesting things with little computers since 1979.
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