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From
SubjectRe: [BUG] 2.2.0-pre5 Oops at boot time
Date
> 
> Hi guys
>
> 2.2.0-pre5 didn't boot on a DELL2300 with a PERC/2 raid controller (AMI
> Megaraid) as the boot device.
> The 2.0.3x from the rh52 boot image at the AMI support ftp site works.
>
> I want 2.2 to work well on Megaraid, and I can arrange a ssh account on
> this machine if that helps.
>
>
>
> Options used: -V (specified)
> -O (specified)
> -K (specified)
> -L (specified)
> -m /mnt/System.map-2.2.0-pre5 (specified)
> -c 1 (default)
>
> Unable to handle kernel NULL pointer dereference at virtual address
> 00000014
...

Try this for now... many more changes to the original driver have been made,
but these have not been released officially yet because we like to do most of
the testing before the general public gets their hands on it. Sorry for the
inconvenience...


diff -r1.1.2.1 megaraid.c
683a684,690
> spin_unlock_irqrestore(&mega_lock,flags);
> spin_lock_irqsave(&io_request_lock, flags);
> mega_runque(NULL);
> spin_unlock_irqrestore(&io_request_lock,flags);
>
> #if 0
687,688c694,695
< spin_unlock_irqrestore(&mega_lock,flags);
<
---
> #endif

-
Jeff L Jones (jeffreyj@ami.com)
RAID SW Dev, American Megatrends Inc.

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