<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - IGT: Couldn't map MMIO region" href="https://bugs.freedesktop.org/show_bug.cgi?id=93199#c24">Comment # 24</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - IGT: Couldn't map MMIO region" href="https://bugs.freedesktop.org/show_bug.cgi?id=93199">bug 93199</a> from <a class="email" href="mailto:oskar@cetex.se" title="oskar@cetex.se">oskar@cetex.se</a> <pre>(In reply to Jari Tahvanainen from <a href="show_bug.cgi?id=93199#c23">comment #23</a>) > 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?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>