Ubuntu
linux package

  1. Jammy (22.04)
  2. Bug #1967338
  3. Comment #3

Comment 3 for bug 1967338

Revision history for this message
Vladimir Ratnikov (vratnikov) wrote :

8250_MID=y
[ 1.456543] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
[ 1.458472] 8250_mid 0000:00:1a.0: Found HSU DMA, 2 channels
[ 5.714059] 8250_mid 0000:00:1a.1: Found HSU DMA, 2 channels
[ 5.728917] 8250_mid 0000:00:1a.2: Found HSU DMA, 2 channels

8250_MID=m
[ 14.017669] 8250_mid 0000:00:1a.0: Found HSU DMA, 2 channels
[ 14.035553] 8250_mid 0000:00:1a.1: Found HSU DMA, 2 channels
[ 14.052663] 8250_mid 0000:00:1a.2: Found HSU DMA, 2 channels

I was able to load with module compiled into kernel and it's loaded much earlier than with 8250_MID=m, so serial console is functional