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Home / e1000e stable / eeprom_fix_82574_or_82583
Name Modified Size Downloads / Week Status
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fixeep-82574_83.sh 2012-04-30 1.1 kB 1010 weekly downloads
README 2012-04-25 1.6 kB 11 weekly downloads
Totals: 2 Items   2.7 kB 11
Packet drop issues may occur in some 82574 and 82583-based adapters. Neither the e1000e driver nor the hardware itself show any packets being dropped, however packets ARE actually being dropped. If you encounter packet drop issues in an 82574 or 82583-based adapter, you can verify that your adapter needs the fix by using ethtool: # ethtool -e eth0 Offset Values ------ ------ 0x0000 00 1b 21 51 39 8c 20 0d 46 f7 a1 10 ff ff ff ff 0x0010 29 e6 02 64 6b 02 00 00 86 80 0c 15 ff ff 58 9c ^^ The value at offset 0x001e (58) has bit 1 unset. This enables the problematic power saving feature. In this case, the EEPROM needs to read "5a" at offset 0x001e. A one-time EEPROM fix is available as a shell script. This script will verify that the adapter is applicable to the fix and whether the fix is needed or not. If the fix is required, it applies the change to the EEPROM and updates the checksum. The user must reboot the system after applying the fix if changes were made to the EEPROM. Example output of the script: # bash fixeep-82574_83.sh eth0 eth0: is a "82583V Gigabit Network Connection" This fixup is applicable to your hardware executing command: ethtool -E eth0 magic 0x150c8086 offset 0x1e value 0x5a Change made. You *MUST* reboot your machine before changes take effect! The script can be downloaded at [https://sourceforge.net/projects/e1000/files/e1000e%20stable/eeprom_fix_82574_or_82583/fixeep-82574_83.sh]
Source: README, updated 2012-04-25

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