Description of problem:
Started installation on system with two disks, one connected via SATA, one connected via NVMe. Used default partition layout.

Version-Release number of selected component:
anaconda-core-29.24.7-1.fc29.x86_64

The following was filed automatically by anaconda:
anaconda 29.24.7 exception report
Traceback (most recent call first):
  File "/usr/lib64/python3.7/site-packages/parted/disk.py", line 212, in commit
    return self.__disk.commit()
  File "/usr/lib64/python3.7/site-packages/parted/decorators.py", line 42, in new
    ret = fn(*args, **kwds)
  File "/usr/lib/python3.7/site-packages/blivet/formats/disklabel.py", line 347, in commit
    self.parted_disk.commit()
  File "/usr/lib/python3.7/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.7/site-packages/blivet/formats/disklabel.py", line 340, in _create
    self.commit()
  File "/usr/lib/python3.7/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.7/site-packages/blivet/formats/__init__.py", line 513, in create
    self._create(**kwargs)
  File "/usr/lib/python3.7/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.7/site-packages/blivet/deviceaction.py", line 637, in execute
    options=self.device.format_args)
  File "/usr/lib/python3.7/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.7/site-packages/blivet/actionlist.py", line 327, in process
    action.execute(callbacks)
  File "/usr/lib/python3.7/site-packages/blivet/actionlist.py", line 48, in wrapped_func
    return func(obj, *args, **kwargs)
  File "/usr/lib/python3.7/site-packages/blivet/blivet.py", line 135, in do_it
    self.devicetree.actions.process(callbacks=callbacks, devices=self.devices)
  File "/usr/lib/python3.7/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib64/python3.7/site-packages/pyanaconda/storage/osinstall.py", line 1229, in do_it
    super().do_it(callbacks=callbacks)
  File "/usr/lib/python3.7/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib64/python3.7/site-packages/pyanaconda/storage/osinstall.py", line 2199, in turn_on_filesystems
    storage.do_it(callbacks)
  File "/usr/lib64/python3.7/site-packages/pyanaconda/installation_tasks.py", line 438, in run_task
    self._task(*self._task_args, **self._task_kwargs)
  File "/usr/lib64/python3.7/site-packages/pyanaconda/installation_tasks.py", line 472, in start
    self.run_task()
  File "/usr/lib64/python3.7/site-packages/pyanaconda/installation_tasks.py", line 304, in start
    item.start()
  File "/usr/lib64/python3.7/site-packages/pyanaconda/installation_tasks.py", line 304, in start
    item.start()
  File "/usr/lib64/python3.7/site-packages/pyanaconda/installation.py", line 375, in doInstall
    installation_queue.start()
  File "/usr/lib64/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib64/python3.7/site-packages/pyanaconda/threading.py", line 286, in run
    threading.Thread.run(self)
_ped.IOException: Partition(s) 1 on /dev/nvme0n1 have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use.  As a result, the old partition(s) will remain in use.  You should reboot now before making further changes.

Additional info:
addons:         com_redhat_kdump
blivet-gui-utils.log: 
cmdline:        /usr/bin/python3  /sbin/anaconda --liveinst --method=livecd:/dev/mapper/live-base
cmdline_file:   BOOT_IMAGE=vmlinuz initrd=initrd.img root=live:CDLABEL=Fedora-WS-Live-29-1-2 rd.live.image quiet
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         4.18.16-300.fc29.x86_64
other involved packages: python3-pyparted-3.11.0-17.fc29.x86_64, python3-libs-3.7.0-9.fc29.x86_64, python3-blivet-3.1.1-2.fc29.noarch
product:        Fedora
release:        Fedora release 29 (Twenty Nine)
type:           anaconda
version:        29