On 2014-05-15 08:55, Arthur Chunqi Li wrote:
> On Thu, May 15, 2014 at 2:39 PM, Jan Kiszka wrote:
>> On 2014-05-15 07:54, Arthur Chunqi Li wrote:
>>> Hi Jan and there,
>>>
>>> I want to disable IDE BMDMA in Qemu/KVM and let guest OS uses only PIO
>>> mode. Are there any configurations in Qemu or K
On Thu, May 15, 2014 at 2:39 PM, Jan Kiszka wrote:
> On 2014-05-15 07:54, Arthur Chunqi Li wrote:
>> Hi Jan and there,
>>
>> I want to disable IDE BMDMA in Qemu/KVM and let guest OS uses only PIO
>> mode. Are there any configurations in Qemu or KVM to disable the
>> hardware support of DMA?
>
> No
On 2014-05-15 07:54, Arthur Chunqi Li wrote:
> Hi Jan and there,
>
> I want to disable IDE BMDMA in Qemu/KVM and let guest OS uses only PIO
> mode. Are there any configurations in Qemu or KVM to disable the
> hardware support of DMA?
Not that I know. These features are built into the chipsets we
Hi Jan and there,
I want to disable IDE BMDMA in Qemu/KVM and let guest OS uses only PIO
mode. Are there any configurations in Qemu or KVM to disable the
hardware support of DMA?
I have tried to disable IDE DMA in guest OS booting params as follows:
ide-core.nodma=0.0 libata.dma=0 ide=nodma ide0=