Date: Fri, 12 Jan 2024 17:52:55 -0800 From: bob prohaska <fbsd@www.zefox.net> To: Mark Millard <marklmi@yahoo.com> Cc: FreeBSD ARM List <freebsd-arm@freebsd.org> Subject: Re: USB-serial adapter suggestions needed Message-ID: <ZaHs99yGcoEBXxl%2B@www.zefox.net> In-Reply-To: <9F0BEC32-93CB-4DEB-98C4-D0FF2284B9DE@yahoo.com> References: <902798B1-2B66-4ECD-BDAC-195C85066FE6@yahoo.com> <8B4C76B2-707E-4978-9CB3-5D547303A7E5@yahoo.com> <ZaFoY58MqBv9hX5b@www.zefox.net> <A1F3092A-CEB1-44DE-ADB3-F45113004B34@yahoo.com> <ZaGQfy8u2xYzztri@www.zefox.net> <482FA770-89E8-42E8-945E-B662AD564AFE@yahoo.com> <ZaGxMA23qXBSC4Jj@www.zefox.net> <B3EF009B-F7FE-4D2D-A266-D064C82E0DFF@yahoo.com> <EE0BA069-9E14-45ED-BEC9-618D1F4C1DB8@yahoo.com> <9F0BEC32-93CB-4DEB-98C4-D0FF2284B9DE@yahoo.com>
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On Fri, Jan 12, 2024 at 05:18:25PM -0800, Mark Millard wrote: > Do you have the following sort of thing in each /etc/sysctl.conf ? > > # > # Together this pair avoids swapping out the process kernel stacks. > # This avoids processes for interacting with the system from being > # hung-up by such swapping out of process kernel stacks (and other > # types of processes as well). > vm.swap_enabled=0 > vm.swap_idle_enabled=0 Not on pelorus.zefox.org, www.zefox.com, nemesis.zefox.com, fixed now. The rest already had the setting. While checking, I logged in as root on the serial consoles of each host. When I tried to log in to www.zefox.net the response was FreeBSD/arm (www.zefox.net) (ttyu0) login: root Password: Corrupted MAC on input. ssh_dispatch_run_fatal: I've seen this only once before, I think logging in to pelorus.zefox.org. Re-running ssh to the terminal server and tip to www.zefox.net connected directly to a running console root shell. Apparently the login attempt started a root session on the console and detached the tip connection. For some reason I find that rather sinister. Am I being unreasonable? Thanks for writing! bob prohaska
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