Re: [Xen-devel] Xen 4.6 Development Update (three months reminder)

[Jim Fehlig <jfehlig@xxxxxxxx>]

Fabio Fantoni wrote:
> Il 29/04/2015 18:39, Jim Fehlig ha scritto:
>> dom0 and domU are both SLES12.  Xen is fairly recent xen-unstable plus a
>> few libxl patches.
>>
>> Regards,
>> Jim
>>
>
> But the domU was without qxl driver installed?

No, it was installed:

linux-tyb8:~/ # dmesg | grep -i qxl
[    4.901158] [drm] qxl: 16M of VRAM memory size
[    4.901159] [drm] qxl: 63M of IO pages memory ready (VRAM domain)
[    4.951545] fb: switching to qxldrmfb from VESA VGA
[    4.951702] fbcon: qxldrmfb (fb0) is primary device
[    4.976292] qxl 0000:00:04.0: fb0: qxldrmfb frame buffer device
[    4.976293] qxl 0000:00:04.0: registered panic notifier
[    4.976296] [drm] Initialized qxl 0.1.0 20120117 for 0000:00:04.0 on
minor 0
linux-tyb8:~/ # hwinfo --gfxcard
16: PCI 04.0: 0300 VGA compatible controller (VGA)             
  [Created at pci.328]
  Unique ID: 8otl.q8E9rb_JDj6
  SysFS ID: /devices/pci0000:00/0000:00:04.0
  SysFS BusID: 0000:00:04.0
  Hardware Class: graphics card
  Model: "Red Hat VGA compatible controller"
  Vendor: pci 0x1b36 "Red Hat, Inc."
  Device: pci 0x0100
  SubVendor: pci 0x1af4 "Red Hat, Inc"
  SubDevice: pci 0x1100
  Revision: 0x04
  Driver: "qxl"
  Driver Modules: "drm"
  Memory Range: 0xf0000000-0xf3ffffff (rw,non-prefetchable)
  Memory Range: 0xf4000000-0xf7ffffff (rw,non-prefetchable)
  Memory Range: 0xf9050000-0xf9051fff (rw,non-prefetchable)
  I/O Ports: 0xc240-0xc25f (rw)
  Memory Range: 0xf9040000-0xf904ffff (ro,non-prefetchable,disabled)
  IRQ: 32 (150 events)
  I/O Ports: 0x3c0-0x3df (rw)
  Module Alias: "pci:v00001B36d00000100sv00001AF4sd00001100bc03sc00i00"
  Driver Info #0:
    Driver Status: qxl is active
    Driver Activation Cmd: "modprobe qxl"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
Primary display adapter: #16

> With driver installed should always fails with error similar a what I
> reported FWIK. I mean this:
> http://lists.xen.org/archives/html/xen-devel/2015-04/txtGtntonxpzb.txt
> http://lists.xen.org/archives/html/xen-devel/2015-04/msg03064.html

I'm not seeing that.

> Or you have domU with qxl driver installed, used and working? In this
> case we must find solution or workaround present in SLES12 and apply
> it also upstream if missed.

The base system is SLES12, but Xen and the tools (including qemu) are
fairly recent xen-unstable.  So the only thing SLES12 specific would be
domU kernel and qxl driver.

Regards,
Jim


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