I have had exactly that. The only fix was to mount the disk (I luckily had another disk with earlier version) and specify the device correctly in /etc/fstab and more specifically not by UUID.
During the hang none of the drive options it'd present me with would work. Harald On Thu, Jan 30, 2020, 01:03 Nelson H. F. Beebe <[email protected]> wrote: > I've been running about 20 different DragonFlyBSD releases from 3.x to > 5.6 on VMs (VMware workstation, VMware/ESX, VirtManager QEMU/KVM, and > OVirt) without any serious difficulties. > > Today, I decided to try installation of 5.6.2 on my new workstation, a > Dell Precision 7920 (1 16-core CPU, 32 hyperthreads, 2200MHz Intel > Xeon Platinum 8253, 32GB DDR-4 RAM). > > That system has 8 externally-accessible disk drives, and I'm using it > as a test bed for O/S installations, with recent Fedora, FreeBSD, > Microsoft Windows, NetBSD, OS108, TrueOS, and Ubuntu releases in place > and working normally. > > Solaris 11.4 installs, but then fails at boot time with an infinite > loop that is probing for USB devices. Until today, that was the only > O/S that has failed to produce a working installation on my Dell box. > > This morning, I made a copy of a 4-day old ISO image for DragonFlyBSD > 5.6.2 on a new KOOTION 64GB USB-3 drive and attempted to install it. > The boot proceeded normally for some time, but finally reached a point > in text mode on the console that looks like this (typed by hand): > > ... > CAM: Configuring 1 busses > CAM: finished configuring all busses > Device Mapper version 4.16.0 loaded > dm_target_error: Successfully initialized > dm_target_zero: Successfully initialized > no disk named 'part-by-label/DragonFly_v5.7.0.1310.g63d3b.a > setrootbyname failed > ffs_mountroot: can't find rootvp > Root mount failed: 6 > > Manual root filesystem specification: > <fstype>:<device> Specify root (e.g. ufs:da0s1a) > ? List valid disk boot devices > panic Just panic > abort Abort manual input > > At that point, no further keyboard input is possible, and Ctl-Alt-Del > does not reboot the system. A power cycle is necessary. > > I also attempted a boot from the recovery mode menu item: it hangs the > same way. The same hang happens with a "without AHCI" and with a > "without ACPI" menu item boot choice, and with both legacy boot, and > UEFI boot. > > On the Dell system, I've removed all but the USB drive and one disk: > in the disk bay, I've tried an old Hitachi 5K750-500 500GB SSD, and a > brand new never-written-to Crucial MX500 1 TB SSD. > > I then tried a 5.6.2 ISO image from 1-Jan-2020, and copied it onto a > Kingston USB: same behavior. > > Then I tried last night's *.img file, copying it onto a Crucial USB > with a command like this on another box running Ubuntu 19.10: > > % dd bs=4M if=DragonFly-x86_64-LATEST-IMG.img of=/dev/sdc > conv=fdatasync status=progress > > Again I got the same behavior on a boot. > > I then tried the three USB drives on an Intel NUC with a M.2 NVMe > drive, and an old Lenovo all-in-one desktop. > > On the NUC, the *.img file reaches the installer/root prompt, but on > login as root, "camcontrol devlist" shows only the USB drive. I > suspected that the M.2 disk might be a problem, and it is. > > On the Lenovo, "camcontrol devlist" shows the USB drive and the normal > disk, so an install might be possible. I did not do so, because it > already has a working O/S on it that I didn't want to destroy. > > The fact that booting from three different USB drives, three different > DragonFly snapshots in two different formats (*.iso and *.img), and > two different target SSDs, all behave the same way suggests that the > failures are NOT due to boot media errors or installation target media > errors. > > Has any list member seen the hang that I describe, and if so, does > anyone have some idea of how I might reach an DragonFlyBSD installer > prompt on my Dell Precision 7920? > > > ------------------------------------------------------------------------------- > - Nelson H. F. Beebe Tel: +1 801 581 5254 > - > - University of Utah FAX: +1 801 581 4148 > - > - Department of Mathematics, 110 LCB Internet e-mail: > [email protected] - > - 155 S 1400 E RM 233 [email protected] > [email protected] - > - Salt Lake City, UT 84112-0090, USA URL: > http://www.math.utah.edu/~beebe/ - > > ------------------------------------------------------------------------------- >
