FW: [Bug 9859] hp smart array E200i kernel panic upon boot

[Miller, Mike (OS Dev)]

> -----Original Message-----
> From: bugme-daemon@xxxxxxxxxxxxxxxxxxx
> [mailto:bugme-daemon@xxxxxxxxxxxxxxxxxxx]
> Sent: Thursday, February 14, 2008 8:16 AM
> To: Miller, Mike (OS Dev)
> Subject: [Bug 9859] hp smart array E200i kernel panic upon boot
>
> http://bugzilla.kernel.org/show_bug.cgi?id=9859
>
>
> spam@xxxxxxxx changed:
>
>            What    |Removed                     |Added
> --------------------------------------------------------------
> --------------
>                  CC|                            |spam@xxxxxxxx
>
>
>
>
> ------- Comment #14 from spam@xxxxxxxx  2008-02-14 06:16
> ------- I'm facing a problem that seems related also using
> gentoo on a x86_64 configuration (Dual Opteron 270 on Tyan
> K8SE) I'm booting from a 3ware 9500s controller.
> Everything went find with 2.6.23 but stating from 2.6.24 i
> get the same kernel panic message: Unable to mount root fs on
> unknown-block(0,0) The sd messages for sda and sdb that
> appear under 2.6.23 do no longer appear with 2.6.24 though
> the 3ware driver reports it's loaded
>

Andrew,
The latest reports being added to the bug point to something other than cciss. This user is reporting the same problem on a white box with a 3ware SAS card. I've recreated the problem in my lab with a DL385 Opteron server. I've confirmed the 2.6.24.x kernels do not fail on Intel based platforms.
The question is what changed in the kernel to to break AMD platforms. I'll keep looking and post any updates.

-- mikem

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