DragonFlyBSD 5.6.2 installation failures

Harald Brinkhof harald.brinkhof at gmail.com
Thu Jan 30 20:39:37 PST 2020

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.


On Thu, Jan 30, 2020, 01:03 Nelson H. F. Beebe <beebe at math.utah.edu> 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:
> beebe at math.utah.edu  -
> - 155 S 1400 E RM 233                       beebe at acm.org
> beebe at computer.org -
> - Salt Lake City, UT 84112-0090, USA    URL:
> http://www.math.utah.edu/~beebe/ -
> -------------------------------------------------------------------------------
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