disi-bigtop linux-2.6.39 # git bisect log
git bisect start
# bad: [62b218cb13724881b5314f10ac0f177f4fdef8b6] Linux 2.6.39.2
git bisect bad 62b218cb13724881b5314f10ac0f177f4fdef8b6
# good: [cf29f916c310c9b13c19514b496700c549597e11] Linux 2.6.39.1
git bisect good cf29f916c310c9b13c19514b496700c549597e11
# good: [cf29f916c310c9b13c19514b496700c549597e11] Linux 2.6.39.1
git bisect good cf29f916c310c9b13c19514b496700c549597e11
# bad: [a4d37345244dea111a49dda25cc30b2ae7dab05c] x86/amd-iommu: Use only
per-device dma_ops
git bisect bad a4d37345244dea111a49dda25cc30b2ae7dab05c
# bad: [0db9466ed48263ab2951e89240b482912695c4a6] iwl4965: fix 5GHz operation
git bisect bad 0db9466ed48263ab2951e89240b482912695c4a6
# bad: [646543453327a2b85083f4012d3bbeb5dabdabb8] arch/tile: allocate PCI IRQs
later in boot
git bisect bad 646543453327a2b85083f4012d3bbeb5dabdabb8
# good: [3a2bc9ae5ee092a0db8aa07d695e15b14a3fe2a4] intel-iommu: Speed up
processing of the identity_mapping function
git bisect good 3a2bc9ae5ee092a0db8aa07d695e15b14a3fe2a4
# bad: [b8f794de1463ab32ed90c97ad6edbcecd931abed] intel-iommu: Remove Host
Bridge devices from identity mapping
git bisect bad b8f794de1463ab32ed90c97ad6edbcecd931abed
# bad: [80ebe0ace73cb376f66bdeeb92f4e7b5d4a3f8fb] intel-iommu: Use coherent DMA
mask when requested
git bisect bad 80ebe0ace73cb376f66bdeeb92f4e7b5d4a3f8fb
# bad: [87cc4d1e3e05af38c7c51323a3d86fe2572ab033] intel-iommu: Dont cache iova
above 32bit
git bisect bad 87cc4d1e3e05af38c7c51323a3d86fe2572ab033