Bug 100296 - booting 4.4.55 guest kernel brings mdev device into unusable state
Summary: booting 4.4.55 guest kernel brings mdev device into unusable state
Status: RESOLVED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/iGVT-g (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Du, Changbin
QA Contact: Terrence Xu
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-03-21 09:10 UTC by Gerd Hoffmann
Modified: 2017-04-06 02:37 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments

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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