Just upgraded my T430 from 8G (2x4) to 16G (2x8) RAM. Removed battery, took out ultrabay (normally a CD drive, in my case a 1TB HDD used for backup), removed keyboard, put in new RAM. Replaced keyboard, put battery back in, booted to be presented with:
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[1.713620] tpm tpm0: A TPM error (6) occured attempting to read a PCR value
[2.426934] [drm:intel_set_pch_fifo_underrun_reporting [1915] *ERROR* uncleared pch fifo underrun on pch transcoder A
[2.426956] [drim: intel_pch_fifo_underrun_irq_handler [1915] *ERROR* PCH transcoder A FIFO underrun
Welcome to emergency mode! After logging in, type "journalctl -xb" to view
system logs,"systemctl reboot" to reboot, "systemctl default" or ^D to
try again to boot into default mode.
Give root password for maintenance
(or press Control-D to continue):
root@T430 ~ #
???? had a look at journalctl -xb, lots of it and nothing obvious. To cut a long story short, put ultrabay back in, rebooted and everything okay. The HDD in the ultrabay is mounted in my fstab with:
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# mount point for HDD in ultrabay, added 3 feb 18
UUID=5cdf25ee-93ed-41a0-96f5-31ff2f85862c /media/Ultrabay ext4 defaults 0 2
Kinda thought that if mint couldn't find it, it would skip over it and onto the next thing (as it's not / or /home), obviously wrong. Should I be changing my fstab entry to make it ''plugable' or what did I do/assume wrong? Academic only as it's all working now.
Thinkcentre M720Q - LM21.3 cinnamon, 4 x T430 - LM21.3 cinnamon, Homebrew desktop i5-8400+GTX1080 Cinnamon 19.0