Re: [Xen-devel] dom0 as pvh boot problem

2015-01-07 Thread Elena Ufimtseva
On Wed, Jan 7, 2015 at 2:51 AM, Jan Beulich wrote: On 06.01.15 at 23:20, wrote: >> On Mon, Jan 5, 2015 at 3:44 AM, Jan Beulich wrote: >>> >>> Elena Ufimtseva 01/02/15 7:32 PM >>> >>> >The last successful command is the reading status register of second IOMMU >>> >unit: >>> > >>> >>> >./xen

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-07 Thread Elena Ufimtseva
On Tue, Jan 6, 2015 at 10:39 PM, Zhang, Yang Z wrote: > Elena Ufimtseva wrote on 2015-01-07: > > > > > > On Mon, Jan 5, 2015 at 7:53 AM, Zhang, Yang Z > > wrote: > > > > > > Jan Beulich wrote on 2015-01-05: > > > > Elena Ufimtseva 01/02/15 7:32 PM >>> >>> The > > last s

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-06 Thread Jan Beulich
>>> On 06.01.15 at 23:20, wrote: > On Mon, Jan 5, 2015 at 3:44 AM, Jan Beulich wrote: >> >>> Elena Ufimtseva 01/02/15 7:32 PM >>> >> >The last successful command is the reading status register of second IOMMU >> >unit: >> > >> >> >./xen/drivers/passthrough/vtd/iommu.c> >> > >> >746:sts = dma

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-06 Thread Elena Ufimtseva
On Mon, Jan 5, 2015 at 3:44 AM, Jan Beulich wrote: > >>> Elena Ufimtseva 01/02/15 7:32 PM >>> > >The last successful command is the reading status register of second IOMMU > >unit: > > > > >./xen/drivers/passthrough/vtd/iommu.c> > > > >746:sts = dmar_readl(iommu->reg, DMAR_GSTS_REG); > >747:

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-05 Thread Zhang, Yang Z
Jan Beulich wrote on 2015-01-05: Elena Ufimtseva 01/02/15 7:32 PM >>> >> The last successful command is the reading status register of second >> IOMMU >> unit: >> >> > ./xen/drivers/passthrough/vtd/iommu.c> >> >> 746:sts = dmar_readl(iommu->reg, DMAR_GSTS_REG); 747: >> dmar_writel(io

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-05 Thread Jan Beulich
>>> Elena Ufimtseva 01/02/15 7:32 PM >>> >The last successful command is the reading status register of second IOMMU >unit: > >./xen/drivers/passthrough/vtd/iommu.c> > >746:sts = dmar_readl(iommu->reg, DMAR_GSTS_REG); >747:dmar_writel(iommu->reg, DMAR_GCMD_REG, sts | DMA_GCMD_TE); > > > >A

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-02 Thread Elena Ufimtseva
On Fri, Jan 2, 2015 at 12:04 PM, Jan Beulich wrote: > >>> Elena Ufimtseva 12/22/14 3:45 PM >>> > >There is a problem with booting dom0 as pvh (xen-4.5rc3, kernel 3.18.0+). > > Hi Jan. This is all bit confusing: How does the Dom0 type matter when Dom0 doesn't > even get started? > I guess I use

Re: [Xen-devel] dom0 as pvh boot problem

2015-01-02 Thread Jan Beulich
>>> Elena Ufimtseva 12/22/14 3:45 PM >>> >There is a problem with booting dom0 as pvh (xen-4.5rc3, kernel 3.18.0+). This is all bit confusing: How does the Dom0 type matter when Dom0 doesn't even get started? >After digging a bit into this it seems that the booting gets stuck upon >enabling sec

[Xen-devel] dom0 as pvh boot problem

2014-12-22 Thread Elena Ufimtseva
Hi There is a problem with booting dom0 as pvh (xen-4.5rc3, kernel 3.18.0+). After digging a bit into this it seems that the booting gets stuck upon enabling second IOMMU by writing to DMAR_GCMD_REG (See the attaches debug log). The boot process passes this stage if second iommu was not enabled.