Kernel crashed at iommu_flush_dev_iotlb() in Red Hat Enterprise Linux 7

Solution Unverified - Updated -

Issue

  • Kernel crashed with follwoing call trace :
[1469445.932232] NULL pointer dereference
[1469445.937567]  at 0000000000000308
[1469445.940872] IP: [<ffffffff989aaa8e>] iommu_flush_dev_iotlb+0x2e/0xa0
[1469445.949392] PGD 8000002030286067 PUD 2030269067 PMD 0
[1469445.956533] Oops: 0000 [#1] SMP

Environment

  • Red Hat Enterprise Linux 7
  • Seen on kernel-3.10.0-862.11.6.el7

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