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Исправление merhalak, (текущая версия) :

Как проверить? Кстати есть странное поведение intel_gpu_top: 

[root@white ploskov]# intel_gpu_top
(intel_gpu_top:3489) intel-mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar, file intel_mmio.c:144:
Failed assertion: !(error != 0)
Last errno: 1, Operation not permitted
Couldn't map MMIO region
Stack trace:
  #0 [_init+0x7eb9]
  #1 [_init+0x5d96]
  #2 [_init+0x1291]
  #3 [__libc_start_main+0xf0]
  #4 [_init+0x2d11]
  #5 [<unknown>+0x2d11]
Test (null) failed.
**** DEBUG ****
(intel_gpu_top:3489) intel-mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar, file intel_mmio.c:144:
Failed assertion: !(error != 0)
Last errno: 1, Operation not permitted
Couldn't map MMIO region
****  END  ****
FAIL (3366.246s)
Этот микрокод? 
[root@white ploskov]# dmesg | grep microcode
[    0.734495] microcode: CPU0 sig=0x30678, pf=0x8, revision=0x815
[    0.734520] microcode: CPU1 sig=0x30678, pf=0x8, revision=0x815
[    0.734556] microcode: CPU2 sig=0x30678, pf=0x8, revision=0x815
[    0.734575] microcode: CPU3 sig=0x30678, pf=0x8, revision=0x815
[    0.734706] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba

Исправление merhalak, :

Как проверить? Кстати есть странное поведение intel_gpu_top: 

[root@white ploskov]# intel_gpu_top
(intel_gpu_top:3489) intel-mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar, file intel_mmio.c:144:
Failed assertion: !(error != 0)
Last errno: 1, Operation not permitted
Couldn't map MMIO region
Stack trace:
  #0 [_init+0x7eb9]
  #1 [_init+0x5d96]
  #2 [_init+0x1291]
  #3 [__libc_start_main+0xf0]
  #4 [_init+0x2d11]
  #5 [<unknown>+0x2d11]
Test (null) failed.
**** DEBUG ****
(intel_gpu_top:3489) intel-mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar, file intel_mmio.c:144:
Failed assertion: !(error != 0)
Last errno: 1, Operation not permitted
Couldn't map MMIO region
****  END  ****
FAIL (3366.246s)

Исходная версия Deleted, :

Как проверить?