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    SubjectRE: legacy megaraid driver bug in mm-series
    Date
    Hi,

    On Monday, September 05, 2005 9:06 PM, Jack Byer wrote:
    > 2.6.12-mm1: will not compile megaraid driver
    I've tried and it works fine.
    I'm not sure where the problem is related to compilation.
    Please provide more details.

    Thank you,

    Seokmann

    > -----Original Message-----
    > From: Jack Byer [mailto:ojbyer@usa.net]
    > Sent: Monday, September 05, 2005 9:06 PM
    > To: linux-kernel@vger.kernel.org
    > Subject: legacy megaraid driver bug in mm-series
    >
    > My AMI megaraid card no longer works with recent mm-series
    > kernels. The
    > bug appears on mm- kernels newer than 2.6.12-rc6-mm1; mainline kernels
    > are not affected.
    >
    > The driver will load and detect both devices on the card (sda
    > and sdb).
    > It will scan each device and read the partition table successfully,
    > however the megaraid driver message will include the following errors:
    >
    > sda: sector size 0 reported, assuming 512.
    > sda: asking for cache data failed.
    > sda: assuming drive cache: write through
    >
    > When the kernel tries to mount the root file system, I get
    > the following
    > error:
    >
    > ReiserFS: sda3: warning: sh-2006: read_super_block: bread failed (dev
    > sda3, block 2, size 4096)
    > ReiserFS: sda3: warning: sh-2006: read_super_block: bread failed (dev
    > sda3, block 16, size 4096)
    > VFS: Cannot open root device "sda3" or unknown-block(0,3)
    >
    > Here is a summary of the kernels I have tested for this bug:
    >
    > 2.6.11-mm1: works
    > 2.6.11-mm4: works
    > 2.6.12-rc5-mm1: will not compile
    > 2.6.12-rc6-mm1: works
    > 2.6.12-mm1: will not compile megaraid driver
    > 2.6.12-mm2: broken
    > 2.6.13-mm1: broken
    >
    > 2.6.12: works
    > 2.6.13: works
    >
    > -
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