Red Hat Bugzilla – Bug 864468
documentation is lying about 'serial' boot option
Last modified: 2016-07-31 21:26:47 EDT
Description of problem:
I just installed Fedora_18_Beta_TC2 i386 while adding "console=ttyS0" boot option, following this test case:
I was using KVM. The installation went fine over serial console, but the installed system does not contain "console=ttyS0" in grub.cfg, therefore it is not possible to access the newly installed system over serial console. Also the grub menu itself is not displayed over serial console.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. follow the linked test case
With F18 you have to add the "serial" option if you want the settings to carry over to the installed system. We wanted to allow for using serial console for install without forcing serial boot after install.
Please try with serial and reopen if that doesn't work.
"serial" boot option is obsolete and has been removed.
From anaconda boot options wiki:
This option was never intended for public use; it was supposed to be used to force anaconda to use /dev/ttyS0 as its console when testing it on a live machine.
Use console=ttyS0 or similar instead. See console for details.
Reopening the bug.
(In reply to comment #2)
> Hello Jesse,
> "serial" boot option is obsolete and has been removed.
> From anaconda boot options wiki:
> This option was never intended for public use; it was supposed to be used to
> force anaconda to use /dev/ttyS0 as its console when testing it on a live
> Use console=ttyS0 or similar instead. See console for details.
> Reopening the bug.
That document is a work in progress, and does not reflect the very latest changes we've made in the code. Serial was revived, after discussion with Will Woods.
If we just key off of "console=" we don't give users a way to use serial just for install, but not post-install. This is what the serial flag is used for now.
Closing again. Documentation will be updated. In fact, the Fedora wiki has been updated to reflect this information: https://fedoraproject.org/wiki/Anaconda_Boot_Options?rd=Anaconda/Options#console
Reopening. I'm so mad, I just lost lots of time because of broken documentation!
There is a big fat warning that  is obsolete. The current "draft"  says 'serial' is obsolete.
Please fix the documentation and *then* close the bug.
Removing Beta blocker, adding CommonBugs.
It's not just the documentation, the installer prints a message on the serial console that 'serial' isn't needed, but indeed the getty on the serial console is not autoconfigured without it.
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With Fedora 20 console=ttyS0 carries over to the installed system.