Re: [Xen-devel] Re: pv_ops dom0 USB fixed

["Andrew Lyon" <andrew.lyon@xxxxxxxxx>]

On Fri, Dec 12, 2008 at 11:15 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Fri, 2008-12-12 at 09:12 +0000, Andrew Lyon wrote:
>> (XEN) Xen-e820 RAM map:
>> (XEN)  0000000000000000 - 000000000009ec00 (usable)
>> (XEN)  00000000000f0000 - 0000000000100000 (reserved)
>> (XEN)  0000000000100000 - 00000000cfdff800 (usable)
>> (XEN)  00000000cfdff800 - 00000000cfe53c00 (ACPI NVS)
>> (XEN)  00000000cfe53c00 - 00000000cfe55c00 (ACPI data)
>> (XEN)  00000000cfe55c00 - 00000000d0000000 (reserved)
>> (XEN)  00000000e0000000 - 00000000f0000000 (reserved)
>> (XEN)  00000000fec00000 - 00000000fed00400 (reserved)
>> (XEN)  00000000fed20000 - 00000000feda0000 (reserved)
>> (XEN)  00000000fee00000 - 00000000fef00000 (reserved)
>> (XEN)  00000000ffb00000 - 0000000100000000 (reserved)
>> (XEN)  0000000100000000 - 0000000128000000 (usable)
>> BIOS-provided physical RAM map:
>>  Xen: 0000000000000000 - 00000000000a0000 (usable)
>>  Xen: 00000000000a0000 - 0000000000100000 (reserved)
>>  Xen: 0000000000100000 - 000000000087d000 (usable)
>>  Xen: 000000000087d000 - 0000000000fd1000 (reserved)
>>  Xen: 0000000000fd1000 - 00000000ea567000 (usable)
>
> It's only peripherally related (and a bit of a stab in the dark) but
> since you have plenty of host RAM your pseudo-physical addresses overlap
> with the ACPI tables and such so it would be worth trying out the patch
> I just pushed to reserve these. Although I saw actual warnings and you
> don't seem to it's possible there are other failures due to the
> conflicts. Alternatively you could try limiting the domain 0 memory,
> e.g. with dom0_mem=3G on the Xen command line.
>
> Ian.
>
>

I tried with dom0_mem=3G and =1G, neither seems to make any
difference, I also tried libata.force=noncq.

Is it still worth trying your patch?

I followed the instructions on the wiki to download the pv_ops source
tree, what method can I use to update the source to the latest commits
without downloading it all from scratch?

Andy

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