Messages in this thread | | | Date | Thu, 9 Mar 2023 17:23:22 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] Documentation/serial-console: Document the behavior when the last console= parameter is not used |
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On Wed, Mar 08, 2023 at 12:24:33PM +0100, Petr Mladek wrote: > The console= kernel command-line parameter defines where the kernel > messages appear. It can be used multiple times to make the kernel log > visible on more devices. > > The ordering of the console= parameters is important. In particular, > the last one defines which device can be accessed also via /dev/console. > > The behavior is more complicated when the last console= parameter is > ignored by kernel. It might be surprising because it was not intentional. > The kernel just works this way historically. > > There were few attempts to change the behavior. Unfortunately, it can't > be done because it would break existing users. Document the historical > behavior at least.
Thanks for documenting this, now queued up!
greg k-h
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