Re: Umax 600s/Adaptec 2906 trouble

From: Henning Meier-Geinitz (
Date: Wed Dec 27 2000 - 02:35:10 PST

  • Next message: Rod Pike: "Re: Umax 600s/Adaptec 2906 trouble"


    On Tue, Dec 26, 2000 at 10:44:10PM -0500, Andy Angrick wrote:
    > able to narrow it down to is the aic7xxx driver (i also have Mandrake 7.1 ..
    > i wonder if there is a problem there???).

    I had similar problems with older Linux kernels. There is a paragraph
    in README.linux:

    Adaptec 1542 SCSI adapter:
      Using buffer sizes of more than 32768 bytes with the aha1542 driver can
      lead to kernel panic. To avoid this, set --enable-scsibuffersize or
      SANE_SG_BUFFERSIZE to 32768, or download and install the SG driver
      2.1.37 or newer from

    Further more there is a comment about that in man sane-scsi.

    I has the same problems (sometimes) with the 2940. But after upgrading
    to Linux 2.2.17 the problems seem to be fixed.

    As a work around decrease the scsi buffer size to 32 kb.

    PS: Please don't quote the full message. Thanks.

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