the system I am connected to over the serial uart is one of my major servers and I REALLY dislike rebooting it. On 12/13/23 23:21, Fred wrote: > have never used usb-to-serial devices, so I'm probably wrong here... > wondering if, on the system where you work, have you tried using the reset > or tset command? > > otherwise, though *being a Linux user I hate to suggest this*, but have you > tried the "universal-fix-all-problems" technique that Windows users learn > early on, i.e., reboot one or both systems? rebooting one of the systems > then trying to connect may tell you which system is wedged. maybe. > > Good luck! > > Fred > > On Wed, Dec 13, 2023 at 8:46 PM Robert Moskowitz <rgm at htt-consult.com> > wrote: > >> I have Centos 7 arm32 running on a Cubieboard and I am logged in as root >> on its serial uart from another system. >> >> On that system I use >> >> screen /dev/ttyUSB0 115200 >> >> Well it was working well for a couple days, but now only garbage comes >> across. Something messed up the serial link. >> >> pulling the usb cable to the usb/serial adapter does not reset things. >> >> I can ssh into the server and see root logged into ttyS0 >> >> How do I reset that serial port so that I can work on the system? >> >> thanks >> >> >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos