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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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