Ubuntu 18, Intel(R) UHD Graphics 620
$ sudo intel_gpu_top
(intel_gpu_top:832) intel-mmio-CRITICAL: Test assertion failure function
intel_mmio_use_pci_bar, file ../../lib/intel_mmio.c:145:
(intel_gpu_top:832) intel-mmio-CRITICAL: Failed assertion: !(error != 0)
(intel_gpu_top:832) intel-mmio-CRIT
I've hit this too on 18.04.
It may be related to kernel lockdown in UEFI secure boot.
https://bugs.freedesktop.org/show_bug.cgi?id=93199
** Bug watch added: freedesktop.org Bugzilla #93199
https://bugs.freedesktop.org/show_bug.cgi?id=93199
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I have exactly the same "Couldn't map MMIO region: Operation not permitted"
problem with Ubuntu 19.04.
==
(intel_gpu_top:23801) intel-mmio-CRITICAL: Test assertion failure function
intel_mmio_use_pci_bar, file ../../lib/intel_mmio.c:145:
(intel_gpu_top:23801) intel-mmio-CRITI
Hitting this on 18.04 with Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz and
i915 driver.
Package: intel-gpu-tools
Architecture: amd64
Version: 1.22-1
Priority: optional
Section: x11
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Debian X Strike Force
Bugs: https://bugs.launchpad.n
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: intel-gpu-tools (Ubuntu)
Status: New => Confirmed
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but of course the intel-gpu-tool for trusty hasn't been updated since
2014 so likely it doesn't support i7-7700 (released in 2017) as you
described. However it's the same MIMO error message I am getting. I'm
hoping the same fix will be updated to the version for trusty.
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Yes I did run with sudo. The error message is different without sudo. I
think the new 14.04.5 fixed a lot of problems with the new intel cpu. At
least it fixed all my graphics card driver issue in one shot. However,
how do I find out what is supported with intel-gpu-tools?
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They need to be run under sudo. also the intel-gpu-tools in 14.04
shouldn't have support for an i7-7700.
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https://bugs.launchpad.net/bugs/1752194
Title:
Intel GPU
I have exactly the same "Couldn't map MMIO region: Operation not
permitted" problem with Ubuntu 14.04.5 with 1.3-0ubuntu2.1 build. My CPU
is Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz on my ASUS VivoMini PC.
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