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Mieze

Driver for Realtek's RTL810x Fast Ethernet Series

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Meize,

 

I really really want to thank you very much for taking the effort and building the FE driver for us! I really appreciate it. 

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I just update the binary and the source code in the first post of this thread with the release candidate. Changes since the last version are minimal, nevertheless I would like everyone to test it again. In case nobody finds a serious problem in this release candidate I will make it the official version 1.0.

 

Good luck!

 

Mieze 

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Hello Mieze,

 

great work so far. Looking a long time for a working driver.

It's a Lenovo Lappy Z560 from my daughter running 10.9.2.

The link is not coming up. See log.

Last three lines will const. repeated.

 

Ethernet [RealtekRTL8100]: Warning: PCIe ASPM enabled.

Ethernet [RealtekRTL8100]: EEE support enabled.

Ethernet [RealtekRTL8100]: TCP/IPv4 segmentation offload enabled.

Ethernet [RealtekRTL8100]: TCP/IPv6 checksum offload enabled.

Ethernet [RealtekRTL8100]: Using interrupt mitigate value 0x0.

Ethernet [RealtekRTL8100]: RTL8103E: (Chipset 7) at 0xffffff807b336000, xx:xx:xx:xx:xx:xx

Ethernet [RealtekRTL8100]: Link up on en0, 100-Megabit, Full-duplex, flow-control

Ethernet [RealtekRTL8100]: Tx timeout. Lost interrupt?

Ethernet [RealtekRTL8100]: Tx stalled? Resetting chipset. ISR=0xffff, IMR=0xffff.

Ethernet [RealtekRTL8100]: Link up on en0, 100-Megabit, Full-duplex, flow-control

Ethernet [RealtekRTL8100]: Tx timeout. Lost interrupt?

Ethernet [RealtekRTL8100]: Tx stalled? Resetting chipset. ISR=0xffff, IMR=0xffff.

post-52582-0-70846100-1396439588_thumb.png

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Hello Mieze,

 

great work so far. Looking a long time for a working driver.

It's a Lenovo Lappy Z560 from my daughter running 10.9.2.

The link is not coming up. See log.

Last three lines will const. repeated.

 

Ethernet [RealtekRTL8100]: Warning: PCIe ASPM enabled.

Ethernet [RealtekRTL8100]: EEE support enabled.

Ethernet [RealtekRTL8100]: TCP/IPv4 segmentation offload enabled.

Ethernet [RealtekRTL8100]: TCP/IPv6 checksum offload enabled.

Ethernet [RealtekRTL8100]: Using interrupt mitigate value 0x0.

Ethernet [RealtekRTL8100]: RTL8103E: (Chipset 7) at 0xffffff807b336000, xx:xx:xx:xx:xx:xx

Ethernet [RealtekRTL8100]: Link up on en0, 100-Megabit, Full-duplex, flow-control

Ethernet [RealtekRTL8100]: Tx timeout. Lost interrupt?

Ethernet [RealtekRTL8100]: Tx stalled? Resetting chipset. ISR=0xffff, IMR=0xffff.

Ethernet [RealtekRTL8100]: Link up on en0, 100-Megabit, Full-duplex, flow-control

Ethernet [RealtekRTL8100]: Tx timeout. Lost interrupt?

Ethernet [RealtekRTL8100]: Tx stalled? Resetting chipset. ISR=0xffff, IMR=0xffff.

 

The link is up but the transmitter hangs, but this doesn't seem to be the reason which is causing the trouble. Please take a look at the line in the logs identifying the chipset and compare it with System Profiler's screenshoot. It says RTL8103E while the screenshot shows an RTL8101E. There must be something which is interfering. Have you removed any other driver for the NIC which you installed previously?

 

Or have you modified the source in any way?

 

Mieze

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The link is up but the transmitter hangs, but this doesn't seem to be the reason which is causing the trouble. Please take a look at the line in the logs identifying the chipset and compare it with System Profiler's screenshoot. It says RTL8103E while the screenshot shows an RTL8101E. There must be something which is interfering. Have you removed any other driver for the NIC which you installed previously?

 

Or have you modified the source in any way?

 

Mieze

I had a not working kext installed to have an ethernet0.

Removed that and installed yours a second time and deleted network.plist.

Now it works! Great job!

 

Thanks

verleihnix

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I had a not working kext installed to have an ethernet0.

Removed that and installed yours a second time and deleted network.plist.

Now it works! Great job!

 

Thanks

verleihnix

 

Thanks for the information. Have fun!

 

Mieze

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I've checked your DSDT and found no problem. It's really strange but it seems as if your NIC doesn't get powered on completely after wakeup.

 

As ikkoku has no problems with sleep/wakeup using the same chipset, I assume that the cause of the problem isn't located inside the driver. Have you verified that there is no other driver for your NIC installed. I recently had a user reporting a funny problem with the RTL8111 driver and finally it turned out that he had forgotten to remove Realtek's own driver before installing mine.

 

You should also review your BIOS settings very carefully. Is energy saving and suspension (sleep = S3 state) configured correctly? Are PCIe devices allowed to generate wakeup events? What entity is handling wakeup events: the BIOS or OS X?

 

Mieze

Thanks, I finally solve the problem!

 

The key is getting MAC address. My computer seems having issue getting ethernet MAC address (maybe hardware related). It was happening on Mac OS only, but now on Win and Ubuntu as well for some unknown reasons. So I need to specify MAC address manually. On Mac OS, it is:

sudo ifconfig en0 ether xx:xx:xx:xx:xx:xx

Since en0 is my ethernet. Similar methods need to be performed in other OSes.

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@lisai9093: Thanks for sharing the information. It looks like your NIC's EEPROM, which stores the MAC address, is messed up so that getting the MAC address fails.

 

Mieze

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Can someone build the kext for me(Im using mavericks 10.9.0) I want try to build it with my own but my connection too slow to downloading xcode..realy appreciated if someone able to help me..

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Can someone build the kext for me(Im using mavericks 10.9.0) I want try to build it with my own but my connection too slow to downloading xcode..realy appreciated if someone able to help me..

 

Use the latest prebuilt version posted in this thread.

 

Mieze

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@lisai9093: There is a DOS diagnostic utility available for download at Realtek's website. It's name is RSET8136 and, although I haven't checked myself, it might have an option to rewrite the NIC's EEPROM in order to restore the original MAC address. Please see: http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=14&PFid=7&Level=5&Conn=4&DownTypeID=3&GetDown=false

 

Good luck!

 

Mieze

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@lisai9093: There is a DOS diagnostic utility available for download at Realtek's website. It's name is RSET8136 and, although I haven't checked myself, it might have an option to rewrite the NIC's EEPROM in order to restore the original MAC address. Please see: http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=14&PFid=7&Level=5&Conn=4&DownTypeID=3&GetDown=false

 

Good luck!

 

Mieze

Thanks man~

This RSET8136 is for diagnoses only. I found PG8136 tool that can write MAC into EEPROM. There is no problem getting MAC address anymore, even after sleep!

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Mieze,

Awesome work! I will report back after iperf testing on my RTL8105E: (Chipset 12).

7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: PCI power management capabilities: 0xffc3.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: PME# from D3 (cold) supported.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: PCIe link capabilities: 0x00077c11, link control: 0x0141.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: Warning: PCIe ASPM enabled.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: EEE support enabled.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: TCP/IPv4 segmentation offload enabled.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: TCP/IPv6 checksum offload enabled.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: Using interrupt mitigate value 0x0.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: RTL8105E: (Chipset 12) at 0xffffff8103bb5000,  xx:xx:xx:xx:xx:xx <= MAC address identified correctly;  removed from here
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: MSI interrupt index: 1
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: kIOEthernetWakeOnMagicPacket added to filters.
7/10/14 4:04:09.000 PM kernel[0]: Ethernet [RealtekRTL8100]: Already in power state 1.
7/10/14 4:06:38.000 PM kernel[0]: Ethernet [RealtekRTL8100]: Link up on en0, 100-Megabit, Full-duplex, No flow-control

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Mieze,

You did it again! Outstanding work!

iperf from Linux to OS X (10.9.4)

[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 1.0 sec  12.6 MBytes   106 Mbits/sec
[  3]  1.0- 2.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3]  2.0- 3.0 sec  11.1 MBytes  93.3 Mbits/sec
[  3]  3.0- 4.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3]  4.0- 5.0 sec  11.1 MBytes  93.3 Mbits/sec
[  3]  5.0- 6.0 sec  11.9 MBytes  99.6 Mbits/sec
[  3]  6.0- 7.0 sec  11.1 MBytes  93.3 Mbits/sec
[  3]  7.0- 8.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3]  8.0- 9.0 sec  11.1 MBytes  93.3 Mbits/sec
[  3]  9.0-10.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 10.0-11.0 sec  11.1 MBytes  93.3 Mbits/sec
[  3] 11.0-12.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 12.0-13.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 13.0-14.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 14.0-15.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 15.0-16.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 16.0-17.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 17.0-18.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 18.0-19.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 19.0-20.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 20.0-21.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 21.0-22.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 22.0-23.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 23.0-24.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 24.0-25.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 25.0-26.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 26.0-27.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 27.0-28.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 28.0-29.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 29.0-30.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 30.0-31.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 31.0-32.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 32.0-33.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 33.0-34.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 34.0-35.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 35.0-36.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 36.0-37.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 37.0-38.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 38.0-39.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 39.0-40.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 40.0-41.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 41.0-42.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 42.0-43.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 43.0-44.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 44.0-45.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 45.0-46.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 46.0-47.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 47.0-48.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 48.0-49.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 49.0-50.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 50.0-51.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 51.0-52.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 52.0-53.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 53.0-54.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 54.0-55.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 55.0-56.0 sec  10.8 MBytes  90.2 Mbits/sec
[  3] 56.0-57.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 57.0-58.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 58.0-59.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3] 59.0-60.0 sec  11.2 MBytes  94.4 Mbits/sec
[  3]  0.0-60.0 sec   675 MBytes  94.3 Mbits/sec

iperf from OS X (10.9.4) to Linux

[ ID] Interval       Transfer     Bandwidth
[  5]  0.0- 1.0 sec  11.5 MBytes  96.5 Mbits/sec
[  5]  1.0- 2.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  2.0- 3.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  3.0- 4.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  4.0- 5.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  5.0- 6.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5]  6.0- 7.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  7.0- 8.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  8.0- 9.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  9.0-10.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 10.0-11.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 11.0-12.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 12.0-13.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 13.0-14.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 14.0-15.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 15.0-16.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 16.0-17.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 17.0-18.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 18.0-19.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 19.0-20.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 20.0-21.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 21.0-22.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 22.0-23.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 23.0-24.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 24.0-25.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 25.0-26.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 26.0-27.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 27.0-28.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 28.0-29.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 29.0-30.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 30.0-31.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 31.0-32.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 32.0-33.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 33.0-34.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 34.0-35.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 35.0-36.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 36.0-37.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 37.0-38.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 38.0-39.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 39.0-40.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 40.0-41.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 41.0-42.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 42.0-43.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 43.0-44.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 44.0-45.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 45.0-46.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 46.0-47.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 47.0-48.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 48.0-49.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 49.0-50.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 50.0-51.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 51.0-52.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 52.0-53.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 53.0-54.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 54.0-55.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 55.0-56.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 56.0-57.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 57.0-58.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5] 58.0-59.0 sec  11.2 MBytes  94.4 Mbits/sec
[  5] 59.0-60.0 sec  11.1 MBytes  93.3 Mbits/sec
[  5]  0.0-60.0 sec   671 MBytes  93.8 Mbits/sec

Same performance before and after sleep in both 10.9.4 and 10.10 dp2. Wake-On-Lan also works in both. I also noticed that Wake-On-Lan works only when connected to the power supply. This could be regular OS X behavior since there is no "Wake for network access" when on battery. Can someone confirm please.

 

Thank you for this great kext! 

post-506273-0-51139000-1405091794_thumb.png

post-506273-0-94713900-1405091803_thumb.png

post-506273-0-45027000-1405091823_thumb.png

post-506273-0-80454900-1405091831_thumb.png

post-506273-0-60295600-1405091868_thumb.png

post-506273-0-84646500-1405091926_thumb.png

post-506273-0-45000000-1405091937_thumb.png

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Hi Mieze,

 

thanks for your effort. My RTL8105E is running better with your kext 1.0 instead of AppleRTL8169Ethernet 2.0.6.

 

But when I use lan cable, system fan runs crazy and HWsensor report CPU temp > 70C. 

 

Using wifi is just fine.

 

Don't know if these relate to your kext. 

(also I have warning in console, kernel: apple80211Request Unsupported ioctl 181)

 

Just want to report that, do you have a clue? thanks!

 

-------------

Hereby the log from "grep -i realtek /var/log/system.log"

 

localhost kernel[0]: Ethernet [RealtekRTL8100]: Warning: PCIe ASPM enabled.

localhost kernel[0]: Ethernet [RealtekRTL8100]: EEE support enabled.

localhost kernel[0]: Ethernet [RealtekRTL8100]: TCP/IPv4 segmentation offload enabled.

localhost kernel[0]: Ethernet [RealtekRTL8100]: TCP/IPv6 checksum offload enabled.

localhost kernel[0]: Ethernet [RealtekRTL8100]: Using interrupt mitigate value 0x0.

localhost kernel[0]: Ethernet [RealtekRTL8100]: RTL8105E: (Chipset 12) at 0xffffff807aaa5000,  8:9e: 1:35:d5:5c

myMachine kernel[0]: Ethernet [RealtekRTL8100]: Link up on en0, 100-Megabit, Full-duplex, No flow-control

myMachine kernel[0]: Ethernet [RealtekRTL8100]: Link down on en0

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@Ravenstein: Have you used Activity Monitor in order to find out what is causing the high CPU load while you are connected via LAN?

 

Mieze

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      Help - I'm getting kernel panics!
      Well, before you start complaining about bugs after you upgraded macOS and ask me to publish a driver update, you should first try to resolve the issue on your own by cleaning the system caches.
      As the driver uses macOS's private network driver interface, which is supposed to be used by Apple provided drivers only, you might run into problems after an OS update because the linker may fail to recognize that IONetworking.kext has been updated and that the driver needs to be linked against the new version (Apple provided drivers avoid this problem because they are always updated together with IONetworking.kext). As a result, the linking process produces garbage and the driver may call arbitrary code when trying to call functions from IONetworking.kext. This usually results in unpredicted behavior or a kernel panic. In order to recover from such a situation, you should clean the System Caches forcing the linker to recreate it's caches:
      Delete all the files in /System/Library/Caches and it's subdirectories but leave the directories and the symbolic links intact. This is very important! Reboot. Recreate the kernel cache. Reboot again.  
      Troubleshooting
      Make sure you have followed the installation instructions especially when you have issues with certain domains while the others are working fine. Use the debug version to collect log data when trying to track down problems. The kernel log messages can be retrieved with "grep kernel /var/log/system.log" in Terminal. Starting from Sierra use "log show --predicate "processID == 0" --debug" in order to retrieve kernel logs. Include the log data when asking for support or giving feedback. I'm an engineer, not a clairvoyant. Don't copy and paste large amounts of log data to your post. Create an archive with the log data and attach it to your post. In case you don't want to make your log data publicly accessible, contact me via PM and I will provide you a mail address to send it directly to me.  Check your BIOS settings. You might want to disable Network Boot and the UEFI Network Stack as these can interfere with the driver. Double check that you have removed any AppleIntelE1000e.kext from your system because it could prevent the driver from working properly. Delete the following files: /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist /Library/Preferences/SystemConfiguration/preferences.plist Verify your bootloader configuration, in particular the kernel flags. Avoid using npci=0x2000 or npci=0x3000.  In Terminal run netstat -s in order to display network statistics. Carefully examine the data for any unusual activity like a high number of packets with bad IP header checksums, etc. In case auto-configuration of the link layer connection doesn't work it might be necessary to select the medium manually in System Preferences under Network for the interface. Use Wireshark to create a packet dump in order to collect diagnostic information. Keep in mind that there are many manufacturers of network equipment. Although Ethernet is an IEEE standard, different implementations may show different behavior causing incompatibilities. In case you are having trouble try a different switch or a different cable. Changelog
      Version 2.5.0 (2019-10-15) Reworked interrupt throttling code and added new configuration parameters. Version 2.4.0 (2018-04-14) Added support for 300 series versions of I219LM and I219V. Updated underlying Linux source code. Version 2.3.0 (2017-06-20) Added support for 200 series versions of I219LM and I219V. Version 2.2.0 (2016-09-23) Disabled TSO to work around a hardware bug. Version 2.1.0 (2016-05-24) Added support for I219LM and I219V Version 2.0.0 (2015-04-22) First official release which is identical to 2.0.0d2 (only the version number has been changed). Version 2.0.0d2 (2015-04-04) Changed the tx descriptor write back policy for 82579, I217 and I218 to prevent random tx deadlocks. Version 2.0.0d1 (2015-03-14) Uses Apple's private driver interface introduced with 10.8. Supports packet scheduling with QFQ Solves the VMware issue. Version 1.0.0d6 (2015-03-04) Reworked TSO6 support to avoid problems with VMware. Wake-on-LAN now working. Version 1.0.0d5 (2015-02-27) Reworked TSO4 support to eliminate the bug of 1.0.0d4. Added some debug code in order to collect information about the VMware related issue. Version 1.0.0d4 (2015-02-25) Set total length field of the IP-header to zero for TSO4 operations. Report EEE activation state in kernel log message when the link has been established. Version 1.0.0d3 (2015-02-11) Reworked media selection and EEE support (EEE is now activated when both link partners support it. It can be disabled selecting the medium manually). Duplex setting for 10/100 MBit connections is now reported correctly. The number of tx descriptors has been reduced from 2048 to 1024. The code has been cleaned up and obsolete files have been removed. Version 1.0.0d2 (2015-01-31) First development release. Getting the Driver
      The source code can be found on GitHub: https://github.com/Mieze/IntelMausiEthernet There is also a prebuilt binary for 10.11 and above in the download section: http://www.insanelymac.com/forum/files/file/396-intelmausiethernet/ Build from Source for 10.8
      Register as a developer on Apple's developer website. A free membership is sufficient. Download a copy of Xcode 5.1.1 and install it on your machine. In the project select 10.8 as the "Base SDK" and the "Deployment Target". Call "Archive" from the menu "Product" and save the built driver. Credits
      Thanks to RehabMan and Yung Raj for running tests and pointing me in the right direction while I was trying to fix TSO. Special thanks to Yung Raj for motivating me when I was about to give up.
    • By JVMod
      My laptop has a RTL8821CE (802.11ac) wifi driver. I can't find any method to enable wifi for my hackintosh. Is that driver unsupporting or are there another method that I can fix this properly?                                      *Sorry for bad English*
    • By Mieze
      This project is dedicated to Lucy, my lovely little Tyrannofelis Rex. 
       

       
      LucyRTL8125Ethernet is an open source driver for the Realtek RTL8125 family of 2.5GBit Ethernet controllers.
       
      Key Features of the Driver
      Supports all versions of Realtek's RTL8125 2.5GBit Ethernet Controllers found on recent boards. Support for multisegment packets relieving the network stack of unnecessary copy operations when assembling packets for transmission. No-copy receive and transmit. Only small packets are copied on reception because creating a copy is more efficient than allocating a new buffer. TCP, UDP and IPv4 checksum offload (receive and transmit). TCP segmentation offload over IPv4 and IPv6 (still disabled until I find time to test it). Support for TCP/IPv4, UDP/IPv4, TCP/IPv6 and UDP/IPv6 checksum offload. Supports jumbo frames up to 9000 bytes (strongly recommended for 2.5GBit operation). Fully optimized for Catalina (doesn't work with Mojave and below). Note that older versions of macOS might not support 2.5GB Ethernet. Supports Wake on LAN (untested). Supports VLAN (untested). Support for Energy Efficient Ethernet (EEE) which can be disabled by setting enableEEE to NO in the drivers Info.plist without rebuild. The default is YES. The driver is published under GPLv2.  
      Current Status
      The driver has been tested successfully under Catalina (10.15.4) and, according to first tests, is working stable. I haven't experienced any Kernel Panics during my tests and is working stable on my primary work machine. The driver has been designed to work with Catalina but might also work with Mojave (untested), provided you build from source with Xcode 10.. Please keep in mind that support for 2.5GBit Ethernet was introduced in Mojave (or maybe High Sierra?) so that there is no way to make it work with Sierra or below.  
      Known Issues
      Using autoselect medium it seems to prefer negotiating a connection speed of 1Gbit with my switch so that I had to select 2.5GBit/s manually in order to achieve this speed but it might be different with other switches.   Installation
      You might want to install the driver to /L/E as usual but it's also ok to use Clover's injection function (installation in the EFI folder). Use your favorite kext installation tool for installation or perform the installation manually (for Clover injection). It's your call!  
      Troubleshooting
      Make sure you have followed the installation instructions especially when you have issues with certain domains while the others are working fine. Use the debug version to collect log data when trying to track down problems. The kernel log messages can be retrieved with "log show --predicate "processID == 0" --debug" in order to retrieve kernel logs. Include the log data when asking for support or giving feedback. I'm an engineer, not a clairvoyant. Don't copy and paste large amounts of log data to your post. Create an archive with the log data and attach it to your post. In case you don't want to make your log data publicly accessible, contact me via PM and I will provide you a mail address to send it directly to me.  Delete the following files: /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist /Library/Preferences/SystemConfiguration/preferences.plist In Terminal run netstat -s in order to display network statistics. Carefully examine the data for any unusual activity like a high number of packets with bad IP header checksums, etc. In case auto-configuration of the link layer connection doesn't work it might be necessary to select the medium manually in System Preferences under Network for the interface. Use Wireshark to create a packet dump in order to collect diagnostic information. Keep in mind that there are many manufacturers of network equipment. Although Ethernet is an IEEE standard, different implementations may show different behavior causing incompatibilities. In case you are having trouble try a different switch or a different cable.  
      Changelog
      Version 1.0.0d3 (2020-04-20) First working development release.  
      Getting the driver
      Source code can be found on GitHub: https://github.com/Mieze/LucyRTL8125Ethernet You'll find the lastest prebuilt binary here in this thread (see below).  
       
    • By End3rPower50
      Hi, i want install MacOS catalina in my laptop.
      i created a USB bootable with Catalina and Clover but it crashed at startup.
      Thanks in advance. 
       
      P.S I upload my EFI’s folder and crash screenshot
       
      Sorry for my bad english.
       
      This is my laptop: 
      CPU: intel i7 6500U 
      Graphics: Intel HD Graphics 520
      Ethernet: Realtek FE Family 
      Wireless: Dell 1820A (BCM94350ZAE)
      USB 3.0
       

      EFI.zip
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