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To make it clear, I managed LVM and partitioning 1000+ times on RHEL and Debian derivatives, but Ubuntu Server 22.04 seems to have a serious bug!

What is:

If I install a fresh VM, I can create every partitioning schema I want with LVM except /var/tmp/. Then the installer will crash.

If I try to manage /var/tmp on a running system, Ubuntu won't boot. I use a systemcrescue System to manage it in safe mode.

Still it crashes without giving me any info about the cause.

Has anybody had the same issue and can give me a hint how to fix it? Again, it is not a problem on a RHEL, ROCKY, Alma etc. System. Debian-12 has also no problem at all!

terdon
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SirStephanikus
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  • Welcome to Ask Ubuntu. This is a question answer site where answers are given by other users like you. Bugs are off topic here. See How do I report a bug? and report the bug. Before reporting you may want to search and check if it has been reported already. If already reported, add yourself as affected by the bug. – user68186 Feb 28 '24 at 15:48
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    Can you clarify what you are trying to do, exactly? /tmp on Ubuntu Server isn't on your drive, it's a ramdisk. What exactly are you trying to do here? Mount a partition onto /tmp/var? Partition the already mounted filesystem(?)? PLease [edit] your question and clarify. – terdon Feb 28 '24 at 15:51
  • @terdon mount|grep /tmp shows nothing on a fresh Ubuntu 22.04 server VM. A ramdisk may be the default for other Unix&Linux, but I've never seen it like this on Ubuntu – Daniel T Feb 28 '24 at 21:58
  • Dammit, this is the second time I get this wrong. Are you sure though, @DanielT? I have several Ubuntu Server installs at work and all of them have a tmpfs system mounted at /tmp but that might be something our sysadmins set up. However, someone else recently told me this is the default for Server installs. Maybe it is different on VMs? – terdon Feb 29 '24 at 12:44

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