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[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

NorthAmTransAm

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  • TB3-fake-crc.txt
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  • TB3_wrongCRC32.txt
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@CaseySJ @Elias64Fr - Congratulations and thank you for all the work !!

To everyone who understands this -

This is exiting stuff - I've been trying to follow the conversation closely but I must admit I am a bit lost.
What does the interpretation of the DROM lead to ? It is fantastic that we know what all the bits mean but how does that help us ? Plus what happens when the DROM does not contain the same format as the Designare ?

My DROM has the following (JHL6240 PCIe 3.0 ×2 link to provide one Thunderbolt 3 port 15BF).

75000000 00000049 185FA466 A9014900 49180400 66020881 80028000 00000882 80028000 00000283 0B842001 003C0000 00000005 85500000 09014153 526F636B 0015025A 33373020 47616D69 6E672D49 54582F61 63000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

So I interpret it as follows

75 --CRC-8
00 00 00 00 00 00 49 --18 UID
5F A4 66 A9 --CRC-32
01 49 00 49 18 04 00 66 02 -- Fixed or pre-defined values for each Mac model
08 81 80 02 80 00 00 00 --TBPort1
08 82 80 02 80 00 00 00 --TBPort2
02 83 --TBSwitch7 -- TBPort8 PCI Down Adapter DSB1
0B 84 20 01 00 3C 00 00 00 00 00
05 85 50 00 00 --TBPortB DisplayPort Adapter
09 01 41 53 52 6F 63 6B 00 15 02 5A 33 37 30 20 47 61 6D 69 6E 67 2D 49 54 58 2F 61 63 --The String AS Rock Z370
 

CaseySJ

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Already had one on hand.
Wonderful! This is the difference between your two files:
  • When you specify bad CRC, you get log messages from IOThunderboltFamily
  • When you specify good CRC, there are no logs from IOThunderboltFamily
Bad CRC:
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) AppleThunderboltNHI - ERROR: adding entry to config handler array.
kernel: (AppleThunderboltNHI) 5957640us AppleThunderboltNHI - ERROR: adding entry to config handler array.
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0042 SS=0x0040 SC=0x0008 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0042 SS=0x0040 SC=0x0008 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff
kernel: (IOThunderboltFamily) IOThunderboltEEPROM: ParseDROMData - Failed CRC32 Verification: 0xbd01ea2d != 0xcb96b939
kernel: (IOThunderboltFamily) IOThunderboltEEPROM::getDROM - Error getting DROM from I/O Registry (0xe0000001)
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.mau.plugin.thunderboltupdater.ThunderboltType3Switch
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.mau.plugin.usbcupdater.ThunderboltType1Switch

Good CRC:
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) AppleThunderboltNHI - ERROR: adding entry to config handler array.
kernel: (AppleThunderboltNHI) 5963841us AppleThunderboltNHI - ERROR: adding entry to config handler array.
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0042 SS=0x0040 SC=0x0008 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff LWRT=0xffffffff PRRT=0xffffffff
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0042 SS=0x0040 SC=0x0008 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff LWRT=0xffffffff PRRT=0xffffffff
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.mau.plugin.thunderboltupdater.ThunderboltType3Switch
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.mau.plugin.usbcupdater.ThunderboltType1Switch
fud: (MobileAccessoryUpdater) -[FudStateMachine isActive]: state=3 nextState=-1 filter=com.apple.mau.plugin.thunderboltupdater.ThunderboltType3Switch

But in my case I get this with or without bad CRC: Notice there is no IOThunderboltFamily:

kernel: (AppleThunderboltNHI) AppleThunderboltGenericHAL: Probe
kernel: (AppleThunderboltNHI) 6065576us AppleThunderboltGenericHAL: Probe
kernel: (AppleThunderboltNHI) AppleThunderboltGenericHAL::start
kernel: (AppleThunderboltNHI) 6065598us AppleThunderboltGenericHAL::start
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0040 SS=0x0140 SC=0x0000 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff LWRT=0xffffffff PRRT=0xffffffff TRT=0x0000 TNLRT=0x0000 TLWRT=0x0000 TPRRT=0x0000 TLUP=0x0001
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0040 SS=0x0140 SC=0x0000 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff LWRT=0xffffffff PRRT=0xffffffff TRT=0x0000 TNLRT=0x0000 TLWRT=0x0000 TPRRT=0x0000 TLUP=0x0001
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.MobileAsset.MobileAccessoryUpdate.ThunderboltType3Switch
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.MobileAsset.MobileAccessoryUpdate.ThunderboltType3Switch
fud: (MobileAccessoryUpdater) -[FudStateMachine isActive]: state=1 nextState=-1 filter=com.apple.MobileAsset.MobileAccessoryUpdate.ThunderboltType3Switch

Screen Shot 2020-03-18 at 6.12.21 AM.png
 
Last edited:

CaseySJ

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As requested :)
You have the same (good) results as @NorthAmTransAm:

With bad CRC:

kernel: (AppleThunderboltNHI) AppleThunderboltGenericHAL: Probe
kernel: (AppleThunderboltNHI) 8320539us AppleThunderboltGenericHAL: Probe
kernel: (AppleThunderboltNHI) AppleThunderboltGenericHAL::start
kernel: (AppleThunderboltNHI) 8320561us AppleThunderboltGenericHAL::start
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) Thunderbolt runtime power conservation disabled.
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0040 SS=0x0140 SC=0x0008 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff LWRT=0xffffffff PRRT=0xffffffff TRT=0x0000 TNLRT=0x0000 TLWRT=0x0000 TPRRT=0x0000 TLUP=0x0001
kernel: (AppleThunderboltNHI) Thunderbolt 255 PCI - LS=0x7043 LC=0x0040 SS=0x0140 SC=0x0008 PMCSR=0x0000 RT=0xffffffff NLRT=0xffffffff LWRT=0xffffffff PRRT=0xffffffff TRT=0x0000 TNLRT=0x0000 TLWRT=0x0000 TPRRT=0x0000 TLUP=0x0001
kernel: (IOThunderboltFamily) IOThunderboltEEPROM: ParseDROMData - Failed CRC32 Verification: 0x11111111 != 0xbd01ea2d
kernel: (IOThunderboltFamily) IOThunderboltEEPROM::getDROM - Error getting DROM from I/O Registry (0xe0000001)
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.MobileAsset.MobileAccessoryUpdate.ThunderboltType3Switch
fud: (MobileAccessoryUpdater) Stream event happened for filter: com.apple.MobileAsset.MobileAccessoryUpdate.ThunderboltType3Switch
 

CaseySJ

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...
This is exiting stuff - I've been trying to follow the conversation closely but I must admit I am a bit lost.
What does the interpretation of the DROM lead to ? It is fantastic that we know what all the bits mean but how does that help us ? Plus what happens when the DROM does not contain the same format as the Designare ?
...
Very fair questions. This is our current understanding (which is subject to change):
  • Enabling Port 7 might provide more robust Thunderbolt Local Node capabilities such as Thunderbolt Ethernet Bridge. It might be required for Target Disk Mode (which we have not tested).
  • Enabling Port 7 might provide more robust compatibility with certain Thunderbolt devices, including perhaps some digital audio interfaces. More work needed to establish this.
 
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