서명된 모듈에 대해 vboxconfig가 실패함

서명된 모듈에 대해 vboxconfig가 실패함

Fedora 30에서는 virtualbox용 커널 모듈에 서명했습니다(예:여기또는여기). 각각에 대해 modprobe를 수행한 후 로드되었는지 확인한 다음 vboxconfig를 시작합니다. 그러나 그것은 실패하고 그 이유를 알 수 없습니다.

모든 명령은 루트로 수행됩니다.

# lsmod | grep vbox
vboxpci                28672  0
vboxnetflt             32768  0
vboxnetadp             28672  0
vboxdrv               499712  3 vboxpci,vboxnetadp,vboxnetflt

# /sbin/vboxconfig
MY_PATH="/usr/lib/virtualbox"
vboxdrv.sh: Stopping VirtualBox services.
vboxdrv.sh: Starting VirtualBox services.
vboxdrv.sh: You must sign these kernel modules before using VirtualBox:
  vboxdrv vboxnetflt vboxnetadp vboxpci
See the documenatation for your Linux distribution..
vboxdrv.sh: Building VirtualBox kernel modules.
vboxdrv.sh: failed: modprobe vboxdrv failed. Please use 'dmesg' to find out why.

There were problems setting up VirtualBox.  To re-start the set-up process, run
  /sbin/vboxconfig
as root.  If your system is using EFI Secure Boot you may need to sign the
kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load
them. Please see your Linux system's documentation for more information.

# dmesg | tail -20
[20275.658123] sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00
[20275.658412] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[20275.666192]  sda: sda1
[20275.667431] sd 0:0:0:0: [sda] Attached SCSI removable disk
[20275.929374] FAT-fs (sda1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[20781.983099] sda: detected capacity change from 62109253632 to 0
[20785.288217] usb 2-2: USB disconnect, device number 2
[21014.468966] rfkill: input handler enabled
[21024.550884] rfkill: input handler disabled
[24065.704492] perf: interrupt took too long (3203 > 3165), lowering kernel.perf_event_max_sample_rate to 62000
[29997.822876] perf: interrupt took too long (4019 > 4003), lowering kernel.perf_event_max_sample_rate to 49000
[31001.218858] vboxdrv: loading out-of-tree module taints kernel.
[31001.223112] vboxdrv: Found 8 processor cores
[31001.239256] vboxdrv: TSC mode is Invariant, tentative frequency 1992006120 Hz
[31001.239257] vboxdrv: Successfully loaded version 6.0.12 (interface 0x00290008)
[33547.206587] VBoxNetAdp: Successfully started.
[33547.219277] VBoxNetFlt: Successfully started.
[33547.229107] VBoxPciLinuxInit
[33547.229111] vboxpci: IOMMU found
[33564.239275] VBoxPciLinuxLinuxUnload

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