Re: not working /dev/console

From: Garrett Wollman <wollman_at_bimajority.org>
Date: Fri, 24 Jan 2025 16:10:12 UTC
<<On Thu, 23 Jan 2025 23:50:26 -0700, Warner Losh <imp@bsdimp.com> said:

> On Thu, Jan 23, 2025, 2:19 PM Garrett Wollman <wollman@bimajority.org>
> wrote:

>> Resurrecting an old thread, because I find myself in a position where
>> I have to get a serial console working on a UEFI-only Dell R360 (with
>> iDRAC Express, so no remote video console that I can look at).
>> 

> What version?

We're on 13.4.  We hope to go to 14 in the summer.

>> OK efi-show -v ConOut
>> global NV,BS,RS ConOut =
>> PciRoot(0x0)/Pci(0x1C,0x4)/Pci(0x0,0x0)/Pci(0x0,0x0)/AcpiAdr(0x80010100),/PciRoot(0x0)/Pci(0x1F,0x0)/Serial(0x0)/Uart(115195,8,N,1)/VenVt100()
>> 

> Odd band rate. Makes me suspect serial clock rate. But this is from the
> bios..

Yes, I'm puzzled about that (and I'm certain that in the BIOS setup it
does not say 115195).  Does the kernel care about the baud rate from
EFI not matching the configuration?

-GAWollman