I2C read/write Errors at addr: 0x60

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Issue

I'm seeing output that indicates errors in CPLD1. These errors can look like the following:

cumulus@switch:~$ 
[ 72.314027] I2C read error - addr: 0x60, offset: 0x02[ 82.508656] cpr4011 11-0058: PMBus status register not found
[ 82.529724] cpr4011 12-005b: PMBus status register not found
[ 102.857344] I2C read error - addr: 0x60, offset: 0x02
[ 113.009339] I2C read error - addr: 0x60, offset: 0x02I2C read error - addr: 0x60, offset: 0x02
[ 143.484206] I2C read error - addr: 0x60, offset: 0x02I2C read error - addr: 0x60, offset: 0x02
[ 204.439017] I2C read error - addr: 0x60, offset: 0x02I2C read error - addr: 0x60, offset: 0x02
[ 297.825501] I2C write error - addr: 0x60, offset: 0x0D, val: 0x08I2C read error - addr: 0x60, offset: 0x02
[ 326.318232] I2C read error - addr: 0x60, offset: 0x02I2C read error - addr: 0x60, offset: 0x02
[ 356.778384] I2C read error - addr: 0x60, offset: 0x02I2C write error - addr: 0x60, offset: 0x0D, val: 0x08

Environment

This issue affects the following switches:

  • Cumulus Express CX-4048-S-F-A
  • Cumulus Express CX-4048-S-F-B
  • Edgecore AS5712
  • Edgecore AS5812

Resolution

If you see errors like the above, upgrading the CPLD can solve the issue. To do this, contact the Cumulus Networks Global Support team or contact Edgecore support directly. 

 

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