Re: [QEMU-KVM]: Megasas + TCM_Loop + SG_IO into Windows XP guests

On Tue, 2010-05-18 at 04:18 -0700, Nicholas A. Bellinger wrote: > On Tue, 2010-05-18 at 11:43 +0200, Hannes Reinecke wrote: > > Nicholas A. Bellinger wrote: > > > On Fri, 2010-05-14 at 02:42 -0700, Nicholas A. Bellinger wrote: > > > Greetings Hannes, > > > > > > So I spent some more time with XP g

Info on Unix Domain Socket Device

Hi, There is a small scale TODO task in kvm, 'Add a Unix domain socket device. With this, the guest can talk to a pci device which is connected to a Unix domain socket on the host.'. I would like to park on this and contribute a patch. If any one is also planning to to do this, we can coordinate a

how to unbind the device from guest to host with vt-d

Hi, everyone, I 'm here ask how to unbind the device from guest to host with vt-d. I use the /sys/bus/pci/driver/pci-stub/remove_id and the /sys/bus/pci/driver/pci-stub/unbind but I can't find the dir : /sys/bus/pci/device/:09:00.0/driver . So I can't bind the driver back to host system any m

RE: Hey, Opt In Email Lists Give Away!

Hey, You have to check this out if your a webmaster. http://www.traffictractor.com is giving away thousands of opt in emails. This is huge! Everyone is talking about it now. With these opt in email addresses you can do so much. It takes years and a lot of money to build a list from scratch b

Re: Perf trace event parse errors for KVM events

On Sat, 2010-05-29 at 14:50 +0300, Avi Kivity wrote: > On 05/29/2010 12:45 AM, Steven Rostedt wrote: > > On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote: > > > >> I get parse errors when using Steven Rostedt's trace-cmd tool, too. > >> > >> Any ideas what is going on here? I can provi

Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

On 05/29/2010 02:55 PM, Arnd Bergmann wrote: On Saturday 29 May 2010, Tom Lyon wrote: +/* + * Structure for DMA mapping of user buffers + * vaddr, dmaaddr, and size must all be page aligned + * buffer may only be larger than 1 page if (a) there is + * an iommu in the system, or (b) buffer is

Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

On Saturday 29 May 2010, Tom Lyon wrote: > +/* > + * Structure for DMA mapping of user buffers > + * vaddr, dmaaddr, and size must all be page aligned > + * buffer may only be larger than 1 page if (a) there is > + * an iommu in the system, or (b) buffer is part of a huge page > + */ > +struct vfio

Re: Perf trace event parse errors for KVM events

On 05/29/2010 12:45 AM, Steven Rostedt wrote: On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote: I get parse errors when using Steven Rostedt's trace-cmd tool, too. Any ideas what is going on here? I can provide more info (e.g. trace files) if necessary. Does trace-cmd fail o

Re: raw disks no longer work in latest kvm (kvm-88 was fine)

On Sat, May 29, 2010 at 11:34 AM, Christoph Hellwig wrote: > In what benchmark do you see worse results for aio=native compared to > aio=threads? Sequential reads using 4 concurrent dd if=/dev/vdb iflag=direct of=/dev/null bs=8k processes. 2 vcpu guest with 4 GB RAM, virtio block devices, cache=

Re: raw disks no longer work in latest kvm (kvm-88 was fine)

On Sat, May 29, 2010 at 10:55:18AM +0100, Stefan Hajnoczi wrote: > I would expect that aio=native is faster but benchmarks show that this > isn't true for all workloads. In what benchmark do you see worse results for aio=native compared to aio=threads? -- To unsubscribe from this list: send the l

Re: raw disks no longer work in latest kvm (kvm-88 was fine)

On Sat, May 29, 2010 at 04:42:59PM +0700, Antoine Martin wrote: > Can someone explain the aio options? > All I can find is this: > # qemu-system-x86_64 -h | grep -i aio >[,addr=A][,id=name][,aio=threads|native] > I assume it means the aio=threads emulates the kernel's aio with > separate th

Re: raw disks no longer work in latest kvm (kvm-88 was fine)

On Sat, May 29, 2010 at 10:42 AM, Antoine Martin wrote: > Can someone explain the aio options? > All I can find is this: > # qemu-system-x86_64 -h | grep -i aio >       [,addr=A][,id=name][,aio=threads|native] > I assume it means the aio=threads emulates the kernel's aio with > separate threads? A

Re: raw disks no longer work in latest kvm (kvm-88 was fine)

On 05/24/2010 12:47 AM, Stefan Hajnoczi wrote: > On Sun, May 23, 2010 at 5:18 PM, Antoine Martin wrote: >> Why does it work in a chroot for the other options (aio=native, if=ide, etc) >> but not for aio!=native?? >> Looks like I am misunderstanding the semantics of chroot... > > It might not be t

Re: Perf trace event parse errors for KVM events

On Fri, May 28, 2010 at 05:45:57PM -0400, Steven Rostedt wrote: > On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote: > > I get parse errors when using Steven Rostedt's trace-cmd tool, too. > > > > Any ideas what is going on here? I can provide more info (e.g. trace > > files) if necessary.