Re: kern/55286: Kernel messages cause loss of serial console input

[Andreas Gustafsson <gson%gson.org@localhost>]

The following reply was made to PR kern/55286; it has been noted by GNATS.

From: Andreas Gustafsson <gson%gson.org@localhost>
To: Valery Ushakov <uwe%stderr.spb.ru@localhost>
Cc: gnats-bugs%netbsd.org@localhost
Subject: Re: kern/55286: Kernel messages cause loss of serial console input
Date: Mon, 25 May 2020 09:34:44 +0300

 Valery Ushakov wrote:
 >  How does your original test end up in a state like that to trigger
 >  this bug?  Kernel message being printed with polled code and steals
 >  the input?
 
 Yes.
 
 > In that case isn't the right fix to only do readahead when
 > interrupts are disabled?
 
 That is the right fix if you think the read-ahead code is worth
 keeping, but I don't.  I'm volunteering to remove it; are you
 volunteering to fix it?
 -- 
 Andreas Gustafsson, gson%gson.org@localhost