Bug 100296

Summary:	booting 4.4.55 guest kernel brings mdev device into unusable state
Product:	DRI	Reporter:	Gerd Hoffmann <kraxel>
Component:	DRM/iGVT-g	Assignee:	Du, Changbin <changbin.du>
Status:	RESOLVED FIXED	QA Contact:	Terrence Xu <terrence.xu>
Severity:	normal
Priority:	medium
Version:	XOrg git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Gerd Hoffmann 2017-03-21 09:10:49 UTC

reproduce:
 (1) boot 4.4 kernel in the guest.
 (2) load i915 driver.
 (3) kill guest.
 (4) restart guest.

result:
  starting qemu fails with:
  ERROR: PCI region size must be pow2 type=0x0, size=0x1fa1000

Comment 1 Du, Changbin 2017-03-30 03:40:38 UTC

Hi, Gerd, This is can be fixed by https://lists.freedesktop.org/archives/intel-gvt-dev/2017-March/000670.html.

Comment 2 Du, Changbin 2017-04-06 02:37:54 UTC

fixed by [PATCH] drm/i915/gvt: exclude cfg space from failsafe mode

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