* [Bug 93199] IGT: Couldn't map MMIO region
[not found] <bug-93199-502@http.bugs.freedesktop.org/>
@ 2017-03-29 12:39 ` bugzilla-daemon
2017-10-02 21:34 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-03-29 12:39 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=93199
Jari Tahvanainen <jari.tahvanainen@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|DRM/Intel |IGT
Assignee|intel-gfx-bugs@lists.freede |dri-devel@lists.freedesktop
|sktop.org |.org
QA Contact|intel-gfx-bugs@lists.freede |
|sktop.org |
Status|REOPENED |NEEDINFO
--- Comment #23 from Jari Tahvanainen <jari.tahvanainen@intel.com> ---
Moving this from DRM/Intel to IGT, since it seems to be problem with that.
Sean, Jonathan, Dimitry and Rami - please check if this problem is still valid
with the latest igt.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 93199] IGT: Couldn't map MMIO region
[not found] <bug-93199-502@http.bugs.freedesktop.org/>
2017-03-29 12:39 ` [Bug 93199] IGT: Couldn't map MMIO region bugzilla-daemon
@ 2017-10-02 21:34 ` bugzilla-daemon
2017-10-02 21:35 ` bugzilla-daemon
` (3 subsequent siblings)
5 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-10-02 21:34 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=93199
--- Comment #24 from oskar@cetex.se ---
(In reply to Jari Tahvanainen from comment #23)
> Moving this from DRM/Intel to IGT, since it seems to be problem with that.
> Sean, Jonathan, Dimitry and Rami - please check if this problem is still
> valid with the latest igt.
I've found i have the same issue, running as root:
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# intel_gpu_top
(intel_gpu_top:6971) intel-mmio-CRITICAL: Test assertion failure function
intel_mmio_use_pci_bar, file ../../lib/intel_mmio.c:145:
(intel_gpu_top:6971) intel-mmio-CRITICAL: Failed assertion: !(error != 0)
(intel_gpu_top:6971) intel-mmio-CRITICAL: Last errno: 1, Operation not
permitted
(intel_gpu_top:6971) intel-mmio-CRITICAL: Couldn't map MMIO region
Stack trace:
#0 [_init+0x7369]
#1 [_init+0x4fd0]
#2 [_init+0x98e]
#3 [__libc_start_main+0xf1]
#4 [_init+0x1752]
#5 [<unknown>+0x1752]
Test (null) failed.
**** DEBUG ****
(intel_gpu_top:6971) intel-chipset-DEBUG: Test requirement passed: pci_dev
(intel_gpu_top:6971) intel-mmio-CRITICAL: Test assertion failure function
intel_mmio_use_pci_bar, file ../../lib/intel_mmio.c:145:
(intel_gpu_top:6971) intel-mmio-CRITICAL: Failed assertion: !(error != 0)
(intel_gpu_top:6971) intel-mmio-CRITICAL: Last errno: 1, Operation not
permitted
(intel_gpu_top:6971) intel-mmio-CRITICAL: Couldn't map MMIO region
**** END ****
FAIL (-1.000s)
strace shows failure on opening resource0:
open("/sys/bus/pci/devices/0000:00:02.0/resource", O_RDONLY|O_CLOEXEC) = 4
read(4, "0x00000000e0000000 0x00000000e0f"..., 512) = 512
close(4) = 0
open("/sys/bus/pci/devices/0000:00:02.0/resource0", O_RDWR|O_CLOEXEC) = 4
mmap(NULL, 2097152, PROT_READ|PROT_WRITE, MAP_SHARED, 4, 0) = -1 EPERM
(Operation not permitted)
close(4) = 0
write(2, "(intel_gpu_top:7094) intel-mmio-"..., 131(intel_gpu_top:7094)
intel-mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar,
file ../../lib/intel_mmio.c:145:
) = 131
write(2, "(intel_gpu_top:7094) intel-mmio-"..., 74(intel_gpu_top:7094)
intel-mmio-CRITICAL: Failed assertion: !(error != 0)
) = 74
write(2, "(intel_gpu_top:7094) intel-mmio-"..., 81(intel_gpu_top:7094)
intel-mmio-CRITICAL: Last errno: 1, Operation not permitted
) = 81
write(2, "(intel_gpu_top:7094) intel-mmio-"..., 67(intel_gpu_top:7094)
intel-mmio-CRITICAL: Couldn't map MMIO region
) = 67
checking if readable with cat:
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# cat resource
0x00000000e0000000 0x00000000e0ffffff 0x0000000000140204
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x00000000c0000000 0x00000000dfffffff 0x000000000014220c
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x000000000000e000 0x000000000000e03f 0x0000000000040101
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x00000000000c0000 0x00000000000dffff 0x0000000000000212
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# cat resource0
cat: resource0: Input/output error
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# cat resource2
cat: resource2: Input/output error
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# cat resource2_wc
cat: resource2_wc: Input/output error
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# cat resource4
cat: resource4: Invalid argument
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# ls -la resource*
-r--r--r-- 1 root root 4096 okt 2 22:38 resource
-rw------- 1 root root 16777216 okt 2 22:30 resource0
-rw------- 1 root root 536870912 okt 2 22:38 resource2
-rw------- 1 root root 536870912 okt 2 22:38 resource2_wc
-rw------- 1 root root 64 okt 2 22:38 resource4
root@oskar-ThinkPad-X270:/sys/bus/pci/devices/0000:00:02.0# uname -a
Linux oskar-ThinkPad-X270 4.10.0-35-generic #39-Ubuntu SMP Wed Sep 13 07:46:59
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
I wonder if it could be related to secure_boot?
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 93199] IGT: Couldn't map MMIO region
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2017-03-29 12:39 ` [Bug 93199] IGT: Couldn't map MMIO region bugzilla-daemon
2017-10-02 21:34 ` bugzilla-daemon
@ 2017-10-02 21:35 ` bugzilla-daemon
2018-05-09 21:07 ` bugzilla-daemon
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5 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-10-02 21:35 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=93199
--- Comment #25 from oskar@cetex.se ---
Forgot to mention this is ubuntu 17.04 and i intel-gpu-tools are version 1.17-1
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2017-10-02 21:35 ` bugzilla-daemon
@ 2018-05-09 21:07 ` bugzilla-daemon
2018-08-31 7:02 ` bugzilla-daemon
2018-08-31 7:02 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-05-09 21:07 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=93199
--- Comment #26 from Christian Kellner <gicmo@gnome.org> ---
Just stumbled into the same issue, disabled secure boot, and the issue
disappeared. Now I am having a different issue, but I think it is just my
version being too old.
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2018-05-09 21:07 ` bugzilla-daemon
@ 2018-08-31 7:02 ` bugzilla-daemon
2018-08-31 7:02 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-08-31 7:02 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=93199
Jani Nikula <jani.nikula@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |NOTOURBUG
Status|NEEDINFO |RESOLVED
--- Comment #27 from Jani Nikula <jani.nikula@intel.com> ---
Based on an IRC chat with Joonas and Dave, looks like this is indeed kernel
lockdown on UEFI secure boot doing its magic. The kernel lockdown patches
haven't been merged upstream, so you should not be able to reproduce this on
kernel.org upstream kernels. Please file your bugs against your distro if this
remains an issue for you.
See e.g. https://mjg59.dreamwidth.org/50577.html for background.
Sorry it took us so long to get this; we're obviously not running non-upstream
kernels with lockdown enabled.
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https://bugs.freedesktop.org/show_bug.cgi?id=93199
Jani Nikula <jani.nikula@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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