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 02:14:

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 linu

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 sup

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 SMMU

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 10:

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 w

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 E

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

2016-04-27 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 Unp

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 during

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

2016-04-26 Thread Julien Grall
On 25/04/2016 09:54, Peng Fan wrote: Hi Julien, Stefano Hello Peng, I met an issue when passthrough a device to DomU, and have no clear idea what's wrong. Which version of the SMMU is present on the board? Is it SMMUv1 or SMMUv2? The SMMU drivers in Xen has been ported from Linux last y

[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 i