I have an LXD Virtual Machine refusing to boot after installing the -lowlatency kernel on it. Sounds like these _might_ be related, so here's my info. I'm on a NUC too, btw.
Host: Ubuntu 20.04 LTS, LXD 4.2 snap (running -lowlatency) Guest: Ubuntu 20.04 LTS The guest was running without problems on the -virtual kernel, but refuses to boot after installing -lowlatency # lxc info --show-log gw2 Name: gw2 Location: none Remote: unix:// Architecture: x86_64 Created: 2020/06/20 22:18 UTC Status: Stopped Type: virtual-machine Profiles: default Pid: 326329 Resources: Processes: 0 Log: KVM internal error. Suberror: 1 emulation failure RAX=0000000000000a00 RBX=000000000b2639e0 RCX=000000000f3c1f40 RDX=0000000000000b20 RSI=0000000000000103 RDI=000000000b24e1c0 RBP=000000000b24e120 RSP=000000000f3c20f0 R8 =000000000c914168 R9 =0000000000000000 R10=ffffffffffffffff R11=000000000af9d800 R12=000000000b24f120 R13=000000000b24e0e0 R14=0000000000020004 R15=000000000c90d483 RIP=00000000000affff RFL=00210246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] CS =0038 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] FS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] GS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] LDT=0000 0000000000000000 0000ffff 00008200 DPL=0 LDT TR =0000 0000000000000000 0000ffff 00008b00 DPL=0 TSS64-busy GDT= 000000000edee698 00000047 IDT= 000000000e80e018 00000fff CR0=80010033 CR2=0000000000000000 CR3=000000000f001000 CR4=00000668 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d00 Code=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872964 Title: Reliable crash in lowlatency kernel with LXD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1872964/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
