From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 105311] AMD-Vi: Event logged [INVALID_DEVICE_REQUEST
device=00:14.0 address=0x000000fdf9103300 flags=0x0600]
Date: Sat, 24 Sep 2016 19:40:17 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=105311
Vedran Miletić changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vedran@miletic.net
--- Comment #14 from Vedran Miletić ---
There was a patch posted at [1] which was merged as
commit cbf3ccd09d683abf1cacd36e3640872ee912d99b
Author: Joerg Roedel
Date: Tue Oct 20 14:59:36 2015 +0200
iommu/amd: Don't clear DTE flags when modifying it
During device assignment/deassignment the flags in the DTE
get lost, which might cause spurious faults, for example
when the device tries to access the system management range.
Fix this by not clearing the flags with the rest of the DTE.
Reported-by: G. Richard Bellamy
Tested-by: G. Richard Bellamy
Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel
Can anyone mark this resolved?
[1] https://lists.linuxfoundation.org/pipermail/iommu/2015-October/014682.html
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