Re: [Xen-users] Xen 4.4 VM loses card with more 3.5Gb memory

[Etzion Bar-Noy <etzion@xxxxxxxxxxxx>]

It felt very much like pci memory hole behavior...

Etzion

On Oct 13, 2014 5:33 PM, "David Sutton" <kantras@xxxxxxxxx> wrote:

On Mon, Oct 13, 2014 at 9:16 AM, darkshvein l <darkshvein@xxxxxxxxx> wrote:

Any ideas?

This sounds very similar to another known issue, where VMs that were utilizing graphics passthrough along with 4Gb of RAM or greater were unable to work properly (blue screen, driver issues, etc).

I believe that issue was being tracked under the Xen Hypervisor bug tracker: http://bugs.xenproject.org/xen/bug/28

Regards,

 David

Â

12.10.2014 16:01 ÐÐÐÑÐÐÐÐÑÐÐÑ "Etzion Bar-Noy" <etzion@xxxxxxxxxxxx> ÐÐÐÐÑÐÐ:

Raise as in "bring it up", "share this case", etc.

Etzion

On 12 October 2014 14:23, darkshvein l <darkshvein@xxxxxxxxx> wrote:

raise it in bugtracker?

2014-10-12 15:09 GMT+04:00 Etzion Bar-Noy <etzion@xxxxxxxxxxxx>:

I encountered it while using Intel VGA via a passthrough setup. Exactly 3.5GB. I got corrupted display and many a time blue screens on the VM (Windows 7 x86_64). I never pushed it further, however, if you raise it, I join the query :-)

Etzion

On 12 October 2014 14:02, darkshvein l <darkshvein@xxxxxxxxx> wrote:

Hi, all.
If I add to windows VM more than 3.5(?) gb of memory, windows says "not enough resources to run hardware". 3Gb - video find and work successfully.
xl info
http://pastebin.com/jXJgUnW5
vm config
http://pastebin.com/ajrzGbZX
also tried with this config:
http://pastebin.com/xsNPkq4F

kernel config:
http://pastebin.com/zRVK9bet

00:14.2 - onboard sound card - works fine in VM.
/etc/default/xend
XENCONSOLED_ARGS=
XENSTORED_ARGS=

grub cl
iommu=1 iommu_inclusive_mapping=1 elevator=cfq iommu=pt amd_iommu=fullflush cpufreq=dom0-kernel console=xvc console=tty xen-pciback.passthrough=1 xen-pciback.hide="(01:00.0)(01:00.1)(00:12.2)(00:14.2)"

Thanks and sorry for my english.

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