Discuss December 2023

discuss@lists.centos.org

6 participants
2 discussions

resetting a serial port
by Robert Moskowitz 14 Dec '23

14 Dec '23

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

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mdadm: --update=resync not understood for 1.x metadata
by Strahil Nikolov 03 Dec '23

03 Dec '23

Hi All, Recently I had to update a host that uses raid1 for /boot and /boot/efi and I noticed that my resync service is failing with "mdadm: --update=resync not understood for 1.x metadata”. Does anyone know why 'mdadm-4.2-rc2.el8.x86_64.rpm’ supports it but 'mdadm-4.2-13.el8.x86_64’ not ? Why the version is not properly bumped if such drastic change is intentional ? Best Regards, Strahil Nikolov

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Discuss December 2023