On 03/11/2018 04:08 PM, Guus Snijders via arch-general wrote: > Op zo 11 mrt. 2018 21:29 schreef David C. Rankin < > drankina...@suddenlinkmail.com>: > >> All, >> >> I experienced a hard lockup during kernel update to 4.15.8 on a >> Supermicro >> Dual Opteron Quad-core box. >> > [cd problem] > > Just to make sure; can you run a memtest on this machine? It's a bit of a > long shot, but hard lockups are suspicious. Especially since the CD also > acts strangely. > Though an overheating CPU could also cause these symptons. > > > Mvg, Guus Snijders >
This was a nightmare. It's not a CD problem, it's a problem with the system seeing the CD Label and/or creating the /dev/disk/by-label directory in time for the link to be created. I burned 3 different CD's from the .iso (validating the sha1sum). I burned 2 of them from the Arch server next to this box running the 4.15.8 kernel whose update went fine. I burned per: https://wiki.archlinux.org/index.php/Optical_disc_drive#Burning_an_ISO_image_to_CD.2C_DVD.2C_or_BD cdrecord -v -sao dev=/dev/sr0 archlinux-2018.03.01-x86_64.iso and I burned from K3b as well. No change. Same failure. So even though this box cannot boot from a USB, I created a USB install media and plugged it into a USB port so that maybe its ARCH_201803 drive label would be seen. (I think the problem is the .iso CD lsblk Label isn't updated during boot for some reason) Low-and-behold... It worked!. I was able to boot to the Arch install prompt. mdadm ran and assembled my arrays. I arch-chrooted to /mnt and then reinstalled the kernel, kernel-lts and then had to reinstall the other 57 packages. I don't know what the hiccup was, but for this box it was a death sentence. No linker modules updated, only 2 out of 16 post install processes run. That really leaves you in a bad way... Fixed now. So to recap, the key to solving the 30 second CD label not seen bug, was to put a USB install media in a USB port before boot so the drive would be activated and the LABEL available when it got to the find disk/by-label part of the installer boot. (I hope I recall this trick 2 years from now when something like this happens again...) -- David C. Rankin, J.D.,P.E.