Date: Fri, 23 Sep 2022 14:35:51 -0700 From: John Baldwin <jhb@FreeBSD.org> To: Warner Losh <imp@FreeBSD.org>, src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: df065f699f1f - main - stand: More sensible defaults when ConOut is missing Message-ID: <7e773164-4317-ba17-1f26-1f382cf46fb3@FreeBSD.org> In-Reply-To: <0fccddc3-126d-f7b6-3b69-5fc1cbdb2775@FreeBSD.org> References: <202208270418.27R4IkeL078154@gitrepo.freebsd.org> <0fccddc3-126d-f7b6-3b69-5fc1cbdb2775@FreeBSD.org>
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On 9/23/22 2:29 PM, John Baldwin wrote: > On 8/26/22 9:18 PM, Warner Losh wrote: >> The branch main has been updated by imp: >> >> URL: https://cgit.FreeBSD.org/src/commit/?id=df065f699f1ff819bb9607c44a6754275ab335ed >> >> commit df065f699f1ff819bb9607c44a6754275ab335ed >> Author: Warner Losh <imp@FreeBSD.org> >> AuthorDate: 2022-08-26 21:46:33 +0000 >> Commit: Warner Losh <imp@FreeBSD.org> >> CommitDate: 2022-08-27 04:17:56 +0000 >> >> stand: More sensible defaults when ConOut is missing >> >> When ConOut is missing, we used to default to serial. Except we did it >> in the worst way possible by just setting the howto bits and not >> updating the console setting, which lead to weird behavior where we'd >> get some things on the video port, others on serial. >> >> Instead, set console to "efi,comconsole" for this case. Also set >> RB_MULTIPLE always (so we get dual consoles from the kernel) and or in >> RB_SERIAL when we can't find GOPs that suggest the precense of a video >> console. This will put output in the most places and have a sensible >> default for 'primary' console. >> >> Sponsored by: Netflix >> Reviewed by: emaste, manu >> Differential Revision: https://reviews.freebsd.org/D36299 > > One possibly surprising result of this is that I did not get dual console > output on my rpi after this. (Curiously this only affected my arm64 image > but not my armv7 image.) Loader output goes to both, but kernel output is > only on the video console (which I don't normally use for my pi). (Also, > none of the ANSI escape sequences used by the loader work on the pi's video > console, so once the menu starts it just looks like raw ANSI code garbage > until the kernel starts booting.) > > Not sure if this warrants UPDATING as the effect is that the serial console > seems to stop working? The lack of working dual console output is perhaps > the only real bug. Not sure what is up there. FWIW, using 'console="comconsole,efi"' did not work as a workaround. Same results (used the video console only for the kernel). Had to use 'console="comconsole"' in /boot/loader.conf. -- John Baldwin
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