Nagy László Zsolt | 7 Oct 16:24 2015

Missing dependency of mencoder?

On  10.2-RELEASE , after pkg update + pkg upgrade:

# pkg install mencoder
# mencoder
Shared object "" not found, required by "mencoder"

Is this a missing dependency?

# pkg install libdvdread
# mencoder
Shared object "" not found, required by "mencoder"

Is this another missing dependency?

# pkg install libdvdnav
# mencoder
Shared object "" not found, required by "mencoder"
# pkg install libx264
# mencoder
Shared object "" not found, required by "mencoder"

What? Are these dependencies missing for real? All of them?
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Freek Dijkstra | 6 Oct 21:27 2015

ZFS fatal double fault upon reboot after upgrade to 10.2

Hi all,

After an upgrade from FreeBSD 10.0 to 10.2, my system no longer boots
with an error:

    Trying to mount root from zfs:zroot []...
    Fatal double fault:

When booting from an USB stick, I'm able to mount my zpool just fine, so
I suspect this is a software or configuration error, rather than a
hardware error.

I appreciate any advice how to proceed. Details of my case are below.


I have a system running FreeBSD as my router, since about 3 year.
Hardware: Soekris net6501-50 Intel Atom E640 CPU (32 bit), just 1 GByte

Disks: two SSD (mini-SATA) Intel SSD 525 Series 30GByte.

ZFS config:
  pool: zroot
 state: ONLINE
  scan: resilvered 13.0M in 0h0m with 0 errors on Sat Oct  3 15:37:46 2015
        NAME             STATE     READ WRITE CKSUM
        zroot            ONLINE       0     0     0
          mirror-0       ONLINE       0     0     0
(Continue reading)

Dean Forester | 6 Oct 18:28 2015

FreeBSD 10.2 - LAGG interfaces "possible flapping" during shutdown


I am having an issue with a new FreeBSD 10.2-RELEASE system when using LAGGs. Everything works fine until I
try to do a reboot of the system. With this issue the system does a shutdown but reports an error with the
interfaces that belong to the LAGG (which also have VLANs define) and then halts, it will not reboot; a
power cycle is required.

root <at> Pine:~ # uname -a
FreeBSD Pine.local 10.2-RELEASE FreeBSD 10.2-RELEASE #0 r286666: Wed Aug 12 15:26:37 UTC 2015    
root <at>  amd64

# HP V1910-24G Switch Trunk
ifconfig_igb1="up mtu 1500"
ifconfig_igb4="up mtu 1500"
ifconfig_igb7="up mtu 1500"
ifconfig_igb8="up mtu 1500"
# Setup new Virtual Interfaces
cloned_interfaces="lagg1 vlan101 vlan102 vlan103"
# LAGG Configuration
ifconfig_lagg1="laggproto lacp laggport igb1 laggport igb4 laggport igb7 laggport igb8"
# Setup VLANs
ifconfig_vlan101="inet vlan 101 vlandev lagg1"
ifconfig_vlan102="inet vlan 102 vlandev lagg1"
ifconfig_vlan103="inet vlan 103 vlandev lagg1"
# Setup extra IPs for Layer 3 Load Balancing
(Continue reading)

William A. Mahaffey III | 6 Oct 10:25 2015

The saga continues

I am trying to install FreeBSD 9.3R on a new box. I want a RAID1 root, 
with several other RAID0 partitions (/var, /usr/local, & /home). All 
RAID's are created from partitions on the two 1 TB HDD's on the box. I 
am using a shell script invoked from the shell during partitioning. I 
followed this procedure, invoked the script, which apparently worked, & 
completed the install. When I went to reboot, the UEFI 'BIOS' reported 
'missing MBR record' & hung there. There were/are *no* explicit options 
to boot from a USB drive, although that worked during the install w/ 
virgin HDD's, it came up w/ a very DOS-y screen which listed 'FreeBSD' 
as a boot option. After the install, w/ something in the boot area of 
the HDD's, the option to boot from the USB drive has vanished. Is there 
some magic combo of key-strokes to get it to try to boot from the USB 
stick anyway ? I want to boot into a shell & zap the 1st 1 GB or so of 
each drive & try again, a procedure I had to use early this summer 
during a NetBSD install, which *did* work AOK & allowed me to complete a 
successful install. *Any* clues appreciated :-/. TIA & have a good one.



	William A. Mahaffey III


	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.

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Dan Busarow | 6 Oct 14:59 2015

freebsd-update keeps wanting to remove .. somthing


On two of the 9.3 boxes I run, freebsd-update has started sending me 
these messages after the actual update to 9.3 p28

Looking up mirrors... 5 mirrors found.
Fetching metadata signature for 9.3-RELEASE from 
Fetching metadata index... done.
Inspecting system... done.
Preparing to download files... done.

The following files will be removed as part of updating to 9.3-RELEASE-p28:

There are no files listed.  Only a single blank line.  Can any one 
suggest a way to find out what file is causing freebsd-update to trigger 
these emails?


  Dan Busarow
  dan <at>
  949 496 6648 x218
  Follow BuildingOnline on:
freebsd-questions <at> mailing list
(Continue reading)


Re: PF stops tmux from working?!

On 05/10/15 23:42, Adam Vande More wrote:
> PF_INET != PF.  Your issue isn't related to a firewall at all but rather
> your previous question.

OK. Thanks for clarifying.

> tmux is attempting to open an IPv4 socket and in your environment it
> isn't supported. 

So in case I want to use tmux I need an IPv4 address?


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PF stops tmux from working?!

I have a host with several jails on it. The jails have a public IPv6
assigned to the external interface. Using PF as firewall, I was used to
block all incoming traffic and I initially set

> pass out on $ext_if proto { tcp udp } all

Recently, I changed the settings to also restrict outgoing traffic. E.g.
there are some jails that are only allowed to send traffic within my
IPv6 network.

Since I restricted the access, in some jails, I cannot use tmux anymore
which I don't understand because I wouldn't have thought of a relation
between a terminal multiplexer and a firewall.

> tmux -vvvvvvvv

created some logfiles that I attached but they don't look promising.
(The respective tmux-client-19034.log is empty.)

I have read that it's possible to do some debugging with

> truss tmux

which, in fact, turned out some results that might relate the
dysfunction of tmux to the changes of the firewall. The full file is
attached, the lines that I assume relevant follow:

> connect(5,{ AF_UNIX "/tmp/tmux-1001/default" },24) ERR#61 'Connection refused'
> stat("/usr/share/nls/C/",0x7fffffffdcd8) ERR#2 'No such file or directory'
> stat("/usr/share/nls/libc/C",0x7fffffffdcd8)	 ERR#2 'No such file or directory'
(Continue reading)

William A. Mahaffey III | 5 Oct 12:18 2015

Install issues

I am attempting to provision a new box w/ FreeBSD 9.3R, using a 
customized USB drive w/ the default install media plus some scripts I 
conjured up to expedite partitioning/slicing of HDD's. I plugged the USB 
stick in & powered on. Though the UEFI BIOS gave my no options to 
configure boot order, it did figure out that the USB stick was there & 
bootable. I booted from that & the loading proceeded up to the regular 
FreeBSD 'choose boot options' screen, w/ multi-user, single user, etc. 
(6 choices total, w/ the ASCII-art logo). I let it go w/ option 1 (bad 
choice :-) ? ) & it failed to get booted, but gave me a choice of boot 
devices at the 'mountfs' (or some such) prompt. I entered 
'ufs:/dev/da0s1a rw' & it proceeded to boot the installer. At 1st 
prompt, i chose 'Shell' & dropped to the shell to run my utilities. The 
1st problem was that the USB media was mounted 'ro', *not* 'rw' as I 
asked, making it tough to log what was going on to use in queries such 
as this one when problems arose. My script completed down to an error in 
an innocuous echo statement, but subsequent df revealed no customized 
partitions visible for the install to proceed with, & little way to 
discern what had happened, since everything scrolled past too fast & too 
far to recover. I never found a magic key-stroke combo to page up in 
console mode, so I am mostly in the dark. Is there a way to force the 
booted root drive to be mounted 'rw' ? FWIW, I did this early in the 
summer in a (somewhat complex) NetBSD install, which is where I got the 
idea. I was able to accurately log my many screwups & post to their list 
for help, which was instrumental to eventually getting that box up & 



	William A. Mahaffey III
(Continue reading)

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(Continue reading)

William A. Mahaffey III | 4 Oct 21:55 2015

awk question

I am using awk & smartctl in a small shell script to print out HDD temps 
in a purty format, 1 line per drive. As it happens, the output I want is 
spread out over 4 lines of smartctl out, requiring (I *think*) 4 calls 
to smartctl each piped to its own awk invocation to pull out the line I 
want & print its info out. Is there some way to get awk to consider more 
than 1 line at a time ? In my case my 4 lines are indeed sequential, & 
it would be a bit more efficient if I could process all 4 lines once I 
found the 1st one. This is definitely *not* critical, what I have now 
works AOK, I was/am just curious if it could be optimized a bit. TIA & 
have a good one.



	William A. Mahaffey III


	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.

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IPv6 only Jails cannot connect to the outside world


I successfully run a server with several jails configured with ezjail.
Normally, each jail gets a private IPv4 on lo1 and another public IPv6
on re0, i.e. the external interface. These jails can connect to the
outside world perfectly:

> $ telnet -4 80
> Trying
> Connected to
> Escape character is '^]'.

> $ telnet -6 80
> Trying 2a00:1450:4001:80c::100e...
> Connected to
> Escape character is '^]'.

Today I created a jail that only has an IPv6. This jail cannot connect:

> root <at> ipv6only:~ # telnet 80
> hostname nor servname provided, or not known

I don't know why. It has a public IPv6 registered on re0.

I use pf as firewall. What I realised is that, if I turn off the
following nat rule, also those jails that have both IPv4 and IPv6 cannot
connect neither via IPv4 nor IPv6 too.

> nat on $ext_if from ( $jail_net ) to any -> $ext_if                                                              

(Continue reading)