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Re: [Xen-devel] xen4.5 dom0pvh test failed

>>> On 28.01.15 at 10:19, <vitas.yuzhou@xxxxxxxxxx> wrote:
> (1). Base on xen4.5, linux3.18.3, dom0pvh=1, dom0_mem=4096000 ;  boot 
> failed!
>    From boot log, I think the disk device can not be scaned.

[   13.990269] mpt2sas0: no suitable DMA mask for 0000:03:00.0
[   13.990369] mpt2sas0: failure at 

makes it pretty obvious where to continue looking. It doesn't look
like it's the problem fixed by David's series allowing arch overrides
to dma_get_required_mask(), so perhaps instrumenting the
driver's _base_config_dma_addressing() is the way to go.

Apart from that there appears to be a huge chunk of the log
missing (between these two messages:

[    0.000000] ACPI: LAPIC (acpi_id[0x30] lapic_id[0xff] disabled
[   13.438147] Freeing initrd memory: 12056K (ffff880002000000 - 

) and hence it's impossible to tell whether you got a properly sized
SWIOTLB enabled.


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