Test report for xen-unstable and qemu-xen

[Fabio Fantoni <fabio.fantoni@m2r.biz>]

Dom0:
Wheezy 64 bit with kernel from package linux-image-3.2.0-4-amd64 version 
3.2.41-2+deb7u2, package blktap-dkms and all dependency packages for 
xen, spice and usb redirection.
Seabios 1.7.2-2 and latest spice and usbredir compiled from debian 
unstable sources.
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/etc/modules
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loop max_loop=64
xenfs
xen-evtchn
blktap
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git clone git://xenbits.xen.org/xen.git (in this build commit is 
3a4a1d297766c0617129fb9eeef164293926ae89)
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Added some patches:
- tools-configure-qemu-for-spice-and-usbredir
- libxl-Add-spice-vdagent-support-for-upstream-qemu
- tools-firmware-seabios-packaged
- tools: Improve make deb
- vgabios-stdvga.bin custom build from Frediano
- tools-fix-xendomain-restore-xl
- qemu-xen change for support other resolutions:
hw/vga.c: # from Frediano patch
     - if ((val <= VBE_DISPI_MAX_XRES) && ((val & 7) == 0)) {
     + if ((val <= VBE_DISPI_MAX_XRES) && ((val & 1) == 0)) {
- fix for one qxl bug: # from anthony perard
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -390,6 +390,7 @@ static void init_qxl_ram(PCIQXLDevice *d)
      d->ram->int_pending = cpu_to_le32(0);
      d->ram->int_mask    = cpu_to_le32(0);
      d->ram->update_surface = 0;
+    d->ram->monitors_config = 0;
      SPICE_RING_INIT(&d->ram->cmd_ring);
      SPICE_RING_INIT(&d->ram->cursor_ring);
      SPICE_RING_INIT(&d->ram->release_ring);
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./configure --prefix=/usr
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make debball

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Issues solved from my previous test build report:
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- restore with xl on xendomain not work
   solved with patch "xl problems with xendomains":
   http://lists.xen.org/archives/html/xen-devel/2013-05/msg02107.html
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Recent regression:
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- on W7 pro 64 bit domU error in the begin of qemu log, while domU seem 
to work:
xc: error: linux_gnttab_set_max_grants: ioctl SET_MAX_GRANTS failed (22 
= Invalid argument): Internal error
xen be: qdisk-832: xc_gnttab_set_max_grants failed: Invalid argument
-------------------------

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Old issue:
- Network is not working after restore on Windows domU with qemu-xen and 
gplpv
   Workaround: fixed mac address
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- Unable to get QXL vga working correctly
   Status: one fix available and work in progress about the remaining 
problem (for now I made quick tests without success)
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- nested hvm probably bugged: started test it on windows 7 pro 64 domU 
on qemu-xen,
   xpmode crash on install without show error, no error on logs and 
havdetection works
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- Starting xendomain with "xl create" show some debug options:
   Starting auto Xen domains: W7.cfgxc: info: VIRTUAL MEMORY ARRANGEMENT:
   Loader:        0000000000100000->000000000019eb68
   Modules:       0000000000000000->0000000000000000
   TOTAL:         0000000000000000->000000007f000000
   ENTRY ADDRESS: 0000000000100000
xc: info: PHYSICAL MEMORY ALLOCATION:
   4KB PAGES: 0x0000000000000200
   2MB PAGES: 0x00000000000003f7
   1GB PAGES: 0x0000000000000000
[done].
I think it is would be better hiding them here
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