Re: [Xen-devel] Time went backwards errors booting unstable cs 17557 with 64GB memory

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

You'll probably have to binary chop to find the offending changeset. All
sorts of stuff has gone in since c/s 17318.

 -- Keir

On 6/5/08 16:16, "Carb, Brian A" <Brian.Carb@xxxxxxxxxx> wrote:

> I've built the latest xen unstable cs 17557 to run on a multi-cell
> ES7000/one. When I boot with the procs and memory from a single cell (4
> cores aka 8 cpus from cell0, 32gb memory from cell0), dom0 boots cleanly
> . However, if I use the memory from 2 cells (4 cores aka 8 cpus from
> cell0, 64gb memory interleaved from cell0 & cell1), dom0 boots
> eventually, but produces multiple Timer errors as shown below. I tried
> setting numa=on but timer errors persist. FYI Xen unstable cs 17318 ran
> successfully without timer errors on this multi-cell configuration.
> 
> Timer ISR/0: Time went backwards: delta=-2679966594 delta_cpu=10033406
> shadow=13664567457 off=530033587 processed=16874567457
> cpu_processed=14184567457
> 0: 14184567457
> 1: 16874567457
> 2: 16874567457
> 3: 16874567457
> 4: 16874567457
> 5: 16874567457
> 6: 16874567457
> 7: 16874567457
> 
> The attached serial trace shows a boot with 32gb and then a boot with
> 64gb. 
> 
> brian carb
> unisys corporation - malvern, pa
> 
>  
> 
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