Re: [Xen-devel] Re: Attempt to load 2.6.29-rc3 with pv_ops suppot for Dom0 under Xen 3.3.1 Hypervisor

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

  What was the spec for South Bridge (and board in general)  you succeeded with ?  It might be hardware or even BIOS release dependent issue.
 
  PIIX would be also loaded for pretty old ULTRA DMA (IDE) controllers
as well and for any Intel ICH(X) (X=6,7,8) without "R" extension chip.
 
  The last ones actually don't support AHCI at all, no matter of BIOS
setup. View Intel Storage Matrix for details.
     My guess  would be to address Intel with this kind of problems.
  
  How behaves 2.6.29-rc3 (pv_ops Dom0) under Xen on SAS/SCSI controllers ( Dell PowerEdge 2900) ?

--- On Mon, 2/2/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: Attempt to load 2.6.29-rc3 with pv_ops suppot for Dom0 under Xen 3.3.1 Hypervisor
To: bderzhavets@xxxxxxxxx
Cc: "Todd Deshane" <deshantm@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Andrew Lyon" <andrew.lyon@xxxxxxxxx>, "Ian Campbell" <Ian.Campbell@xxxxxxxxxx>
Date: Monday, February 2, 2009, 6:11 PM

Boris Derzhavets wrote:
> I just tried to load kernel with the most recent patches under Xen
Unstable
>   South bridge Intel ICH9R.
>   1. AHCI mode - same picture. Drops to stack trace after messages
>      SATA Link down ( exactly down)
> 

Yeah.  AHCI doesn't work, but I don't know why yet. 
> 
>  2. IDE Emulation. Doesn't drop to stack trace, but drops
>      to (initramfs) prompt continue to boot slowly.
>      Seems to activate ata_piix for both drives, but hangs
>     
 attempting to load CDROM driver (sr0) or detecting CDROM.
>      Press enter brings to prompt  (initramfs)
> 

Hm...  I have had PIIX working pretty well in the past.

   J

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