Re: [Xen-devel] SMMU, Unhandled context fault

2016-05-08 Thread Peng Fan
Hi Julien, On Fri, May 06, 2016 at 01:48:54PM +0100, Julien Grall wrote: >Hello Peng, > >On 03/05/16 14:58, Peng Fan wrote: >>On Tue, May 03, 2016 at 11:58:17AM +0100, Julien Grall wrote: >>>On 29/04/16 15:28, Peng Fan wrote: Hi Julien, >>> >>>Hello Peng, >>> On Thu, Apr 28, 2016 at

Re: [Xen-devel] SMMU, Unhandled context fault

2016-05-06 Thread Julien Grall
Hello Peng, On 03/05/16 14:58, Peng Fan wrote: On Tue, May 03, 2016 at 11:58:17AM +0100, Julien Grall wrote: On 29/04/16 15:28, Peng Fan wrote: Hi Julien, Hello Peng, On Thu, Apr 28, 2016 at 02:14:58PM +0100, Julien Grall wrote: Is there any big difference between XEN SMMU driver and

Re: [Xen-devel] SMMU, Unhandled context fault

2016-05-03 Thread Peng Fan
On Tue, May 03, 2016 at 11:58:17AM +0100, Julien Grall wrote: >On 29/04/16 15:28, Peng Fan wrote: >>Hi Julien, > >Hello Peng, > >>On Thu, Apr 28, 2016 at 02:14:58PM +0100, Julien Grall wrote: Is there any big difference between XEN SMMU driver and linux SMMU driver? I know that XEN only

Re: [Xen-devel] SMMU, Unhandled context fault

2016-05-03 Thread Julien Grall
On 29/04/16 15:28, Peng Fan wrote: Hi Julien, Hello Peng, On Thu, Apr 28, 2016 at 02:14:58PM +0100, Julien Grall wrote: Is there any big difference between XEN SMMU driver and linux SMMU driver? I know that XEN only support Stage 2. But the initliaization flow is almost the same. The

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-29 Thread Peng Fan
Hi Julien, On Thu, Apr 28, 2016 at 02:14:58PM +0100, Julien Grall wrote: >Hello, > >On 28/04/16 13:56, Peng Fan wrote: >>On Thu, Apr 28, 2016 at 11:27:22AM +0100, Julien Grall wrote: >>> >>> >>>On 28/04/16 07:39, Peng Fan wrote: Hi Julien, >>> >>>Hello Peng, >>> On Thu, Apr 28, 2016 at

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-28 Thread Julien Grall
Hello, On 28/04/16 13:56, Peng Fan wrote: On Thu, Apr 28, 2016 at 11:27:22AM +0100, Julien Grall wrote: On 28/04/16 07:39, Peng Fan wrote: Hi Julien, Hello Peng, On Thu, Apr 28, 2016 at 10:37:54AM +0800, Peng Fan wrote: Hi Julien, On Wed, Apr 27, 2016 at 10:58:28AM +0100, Julien Grall

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-28 Thread Peng Fan
On Thu, Apr 28, 2016 at 11:27:22AM +0100, Julien Grall wrote: > > >On 28/04/16 07:39, Peng Fan wrote: >>Hi Julien, > >Hello Peng, > >>On Thu, Apr 28, 2016 at 10:37:54AM +0800, Peng Fan wrote: >>>Hi Julien, >>>On Wed, Apr 27, 2016 at 10:58:28AM +0100, Julien Grall wrote: Hello Peng, On

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-28 Thread Julien Grall
On 28/04/16 07:39, Peng Fan wrote: Hi Julien, Hello Peng, On Thu, Apr 28, 2016 at 10:37:54AM +0800, Peng Fan wrote: Hi Julien, On Wed, Apr 27, 2016 at 10:58:28AM +0100, Julien Grall wrote: Hello Peng, On 27/04/2016 03:02, Peng Fan wrote: On Tue, Apr 26, 2016 at 04:30:03PM +0200, Edgar

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-28 Thread Peng Fan
Hi Julien, On Thu, Apr 28, 2016 at 10:37:54AM +0800, Peng Fan wrote: >Hi Julien, >On Wed, Apr 27, 2016 at 10:58:28AM +0100, Julien Grall wrote: >>Hello Peng, >> >>On 27/04/2016 03:02, Peng Fan wrote: >>>On Tue, Apr 26, 2016 at 04:30:03PM +0200, Edgar E. Iglesias wrote: On Tue, Apr 26, 2016 at

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-27 Thread Peng Fan
Hi Julien, On Wed, Apr 27, 2016 at 10:58:28AM +0100, Julien Grall wrote: >Hello Peng, > >On 27/04/2016 03:02, Peng Fan wrote: >>On Tue, Apr 26, 2016 at 04:30:03PM +0200, Edgar E. Iglesias wrote: >>>On Tue, Apr 26, 2016 at 09:56:33PM +0800, Peng Fan wrote: You mean the PNU bit(Privileged Not

Re: [Xen-devel] SMMU, Unhandled context fault

2016-04-27 Thread Julien Grall
Hello Peng, On 27/04/2016 03:02, Peng Fan wrote: On Tue, Apr 26, 2016 at 04:30:03PM +0200, Edgar E. Iglesias wrote: On Tue, Apr 26, 2016 at 09:56:33PM +0800, Peng Fan wrote: You mean the PNU bit(Privileged Not Unprivileged) is 1? I did not met Unhandled context fault each time. Actually

[Xen-devel] SMMU, Unhandled context fault

2016-04-25 Thread Peng Fan
Hi Julien, Stefano I met an issue when passthrough a device to DomU, and have no clear idea what's wrong. " (XEN) smmu: /iommu@5c80: Unhandled context fault: iova=0x42188000, fsynr=0x433, cb=0 (XEN) smmu: /iommu@5c80: Unhandled context fault: iova=0x42188020, fsynr=0x433, cb=0 " fsynr