Bug#960390: x86_64: No serial port output
On Sat, May 23, 2020 at 01:15:37AM +0900, Punit Agrawal wrote:
>tags 960390 + patch
>
>On Wed, 13 May 2020 14:14:54 +0200 john doe <johndoe65534@mail.com> wrote:
>
>[...]
>
>> I also'd like to point out that instead of modifying grub at the install
>> prompt, pressing the escape key and typing at the boot prompt the below
>> works for me (pressing the 'escape' key instead of the 'tab' key):
>>
>>
>> boot: install console=ttyS0,115200n8 DEBIAN_FRONTEND=text vga=none
>>
>>
>> From Buster onwords, /etc/default/grub does not need to be modified at
>> all after installation.
>>
>>
>> What transpired in this thread is that modifying grub at installation
>> time is not reflected at run time.
>
>Although that is also an issue, it's not the first issue the user
>encounters. As mentioned by Bjorn and Geert, for users wanting to
>install Debian on a headless machine there is no easy answer.
>
>To avoid needing any workarounds such as those discussed in earlier
>replies, I looked at enabling the installer images to output on the
>serial console by default. The attached simple change to the grub
>configuration gives output on serial as well as connected monitor.
>
>The next issue that needs fixing is to update the kernel command line
>to launch the installer on the serial console.
I think few people have been bothered by this in the past - all the
server machines I've used for years have had options for redirecting a
VGA console to the serial port. Do you have one that doesn't?
--
Steve McIntyre, Cambridge, UK. steve@einval.com
"I suspect most samba developers are already technically insane... Of
course, since many of them are Australians, you can't tell." -- Linus Torvalds
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