Date: Sun, 12 Jan 2025 14:04:24 -0600 From: Kyle Evans <kevans@FreeBSD.org> To: freebsd-current@freebsd.org Subject: Re: [Bug 273566] stray characters contaminate serial console Message-ID: <5e6620f9-ac6c-4a2d-8b9e-2cc1cafc17a4@FreeBSD.org> In-Reply-To: <Z4P67shxS9JxcrXB@www.zefox.net>
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On 1/12/25 11:25, bob prohaska wrote: > From: bob prohaska <fbsd@www.zefox.net> > To: freebsd-kernel@freebsd.org > Subject: Re: [Bug 273566] stray characters contaminate serial console > > On Sun, Jan 12, 2025 at 05:02:15AM +0000, bugzilla-noreply@freebsd.org wrote: >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273566 >> >> --- Comment #15 from Sulev-Madis Silber <bugs-freebsd-org916@ketas.si.pri.ee> --- >> you currently have more hw than i do, it's all connected up too. can you test >> it out more maybe? debugging kernels, etc. i should have multi arch usb/serial >> switched remote lab on my own but i don't somehow eh, despite using fbsd since > > Just for fun I installed a GENERIC-KASAN kernel on a Pi4 running -current, > but far as I can tell the problem doesn't exist on aarch64 or I don't know > how to see it. The Pi4 is providing terminal service to a Pi2 running armv7, > which since the KASAN kernel went on the Pi4 hasn't suffered a boot > stoppage. Neither have I seen any console messages on the Pi4 suggesting > something amiss. I'm guessing kasan simply generates warnings, but if so > I've not recognized any. I'll keep watching, it would really help to know > what sort of behavior I'm looking for. > > I tried to build a kasan kernel on a pi2 running armv7 but buildworld > stopped with an unrecognized symbol. It's now building world/kernel with > GENERIC as a sanity check, but the kasan man page suggests armv7 is > unsupported. > > If in fact armv7 does support kasan then I'll keep trying. Unfortunately > I have only one kasan-supporting host presently but have couple spare > Pi2 v1.1 boxes that can run armv7 if it's relevant. > arm64 and amd64 only todayhome | help
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