Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Dr. Nikolaus Klepp
Am Mittwoch, 8. November 2017 schrieb Steve Litt:
> On Tue, 7 Nov 2017 21:30:02 +0100
> marc  wrote:
> 
> > Hello
> 
> Hi Marc,
> 
> ===
> Quote from John Hughes
> > > I come from a Unix background -- separate /usr was deprecated in
> > > the 1990's with SVR4.2, I'm kind of amazed it took Linux so long to
> > > catch up.  
> ===
> 
> > Clearly I must have been working in a parallel universe - the
> > commercial unix systems that I remember from the 90s did have
> > /usr and / (some also had /opt and /usr/local in various forms)
> 
> And what I can add as that when I was a Linux newbie around the turn of
> the century, my much more experienced LUGmates were recommending a
> separate /usr, separate /boot, and in fact a tiny, tiny / with all
> major directories mounted.
>

*BSD has a seperate /usr now and I do not think it's going to vanish anytime 
soon. And when doing things in embedded world, it's handy, too :-)

Nik




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Re: [DNG] Problem with xorg on 6th gen Intel cpus

2017-11-07 Thread J. Fahrner

On Sat, Oct 15, 2016, jack wrote:

I have been stumped by a problem with Devuan 1-beta running on 6th
generation Intel processors [i5-6200u, celeron n3050].


You can try a linux kernel from backports.

Jochen
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Rick Moen
Quoting John Hughes (j...@atlantech.com):

> Wave Without a Shore by C.J. Cherryh

Review by Randy Byers:  http://randy-byers.livejournal.com/600709.html
(This Cherryh short novel is most often found, these days, in omnibus
volume _Alternate Realities_, with two other short novels.)


Your implication that people using killfiles are risking solipsism or
insularity is pretty obviously incorrect.  Nobody has time and patience
for everything and everyone -- and thus, as a listadmin for many LUGs, I
have become a huge proponent of people employing either killfiles or
scoring systems (an alternative design supported by, e.g., Emacs GNUS)
to focus their attention on topics and contributors they find
interesting, and to downgrade or discard topics and contributors they
find annoying and/or wastes of time.  Encouraging each participant to do
_this_ is, among other advantages, a major aid to civility, and
facilitates letting each contributor enjoy the experience he/she wants,
without the need to impose top-down, centralised content control just to
fix interpersonal problems.

Or, as we say at Silicon Valley Linux User Group: 

  SVLUG's listadmins normally intervene only to ensure lists' technical
  operation, to halt spam (incontrovertible spam, not postings someone
  merely dislikes), and to halt major eruptions of offtopic spew.
  Enforcement if any should always be minimal and public.  (We don't do
  backroom politics, and our preferred means of social control is to help
  everyone apply his/her own well-tuned killfile.) 

http://www.svlug.org/policies/list-policy.php
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 08/11/17 03:33, Steve Litt wrote:

1) If a tree falls in the woods but there's nobody to hear it, did it
make a sound?
Recommended reading for Steve Litt and others who use a kill-file (not 
that he'll see this):


Wave Without a Shore by C.J. Cherryh


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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Rick Moen
Quoting Adam Borowski (kilob...@angband.pl):

> Systemd is bad, but dropping the pretense that following the needs of _one_
> particular stone-age PDP install is sound design is not bad.

It would be illogical to assert that the only conceivable justification
for separate /usr was Thompson & Richie's 1971 need to spread a UNIX
system across a pair of 1.5MB KR05 disk packs.  I hope you're not
asserting that?

I would hope and expect that, 46 years further on, people would be
implementing that split to further their 2017 needs, not Thompson &
Richie's 1971 ones.

> Of course, as always our dear Lennart does it wrong (it'd be much better to
> follow Hurd instead and use /bin /sbin /lib), but it doesn't make split /usr
> without an initrd any better.

Watch the goalposts, folks:  There's about to be moved.  A moment ago,
Adam was asserting that a /usr split no longer makes sense.  He's about
to switch arguments on the fly, asserting instead that it doesn't make
sense as a _distro policy goal_.  Observe the switcheroo:

> Today, any system where you can realistically install a general-purpose
> distribution has multiple GB of disk space.  There's no gain to put / and
> /usr on separate filesystem

The second sentence doesn't really make sense, and is demonstrably untrue
in isolation (as I will illustrate below).  However, I'll bet if I
challenged it, Adam would fall back on the first sentence, and frame the
discussion as about 'install[ing] a general purpose distribution'.  Et
voila, goalpost relocation!


Distributions are often obliged to make one size fit all, one policy not
suck overmuch for all installing users.  I, on the other hand, am not.

I want my system's primary /bin and /sbin contents (specifically, the
utilities for fsck, partitioning, backup, restore, mkfs, and similar) to
be functional even if /usr for some reason cannot be mounted, or cannot
be relied upon, at bootup.  Where some of those utilites have been IMO
erroneously compiled to have dynamic dependencies on /usr by distro
packages, I create local $FOO-static packages to replace them.

A normally quiescent / partition (given that, on my servers, I mount
/usr, /var, and /home from other filesystems) is highly unlikely to
be exposed to filesystem damage, and there is significant value in 
knowing that it will be usable by the superuser to repair, remake,
backup, and restore the other filesystems.  And yes, if that were not
possible for some reason, I could doubtless PXE boot a maintenance ISO 
and use that instead -- but it's nonetheless worth some small amount of
care and work to me to ensure that / can be used that way under pretty
much all circumstances, and I consider that a normal expectation for 
a Unix system that I see no reason to cease expecting.

And I expect my server systems to be able to boot with simple boot
chains that includes kernels locally compiled by me appropriately to my
system's specific hardware and needs, eliminating the need for an
initramfs -- because I prefer that architectural simplicity.


Objections that my approach doesn't scale to general-purpose
distribution installers are unresponsive to my point.  What I state is
that I have what I consider a rational use-case for separate /usr
without an initramfs for my server systems, and it's irrelevant to my
point whether Devuan or any other distribution decides to facilitate
creation of that specific configuration out of the box.  I didn't _say_
this is something distro installers should do.  All I said is that
people claiming 'there's no gain' to such a configuration are grossly
mistaken.

(To reiterate what I said before:  I am in no way addressing matters of 
policy of this or any other distribution.)


> I don't get why you'd want to keep moving things around on the real
> system if you can isolate it into initrd.

OK, I believe you, Adam.  You don't.

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[DNG] Why not initrd: was lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Steve Litt
On Wed, 8 Nov 2017 06:20:40 +0100
Adam Borowski  wrote:


> I don't get why you'd want to keep moving things around on the real
> system if you can isolate it into initrd.

Because putting it into initramfs not only isolates it, but in fact
hides it in a black box.

You can't just pop up in your initramfs and tweak things: You need to
tweak, recompile and rerun. Very slow process. But wait: It's worse.
Although it's currently hip to say "The only thing we put in initramfs
are the things needed to mount the root partition", this isn't really
true, is it. 

Those initramfs systems are now so complex you need a product like
dracut or initramfs-tools to create it. Have you ever used shorewall to
create an iptables firewall? You end up with a monstrosity, just trying
to do a simple firewall. Same with these initramfs builders: You end up
with something taking several hours to fully understand, when all you
really needed to do, in the simple case, is load the ext4 driver, mount
the root partition, and run an rc file on the root partition to get
everything else mounted.

And now I hear talk of it being an excellent idea to run systemd inside
the initramfs.[1] What could POSSIBLY go wrong?

Besides all that: Your sentence starts with "I don't get why you'd want
to". Well,  I do. I don't see why anyone would want to use KDE, but
that doesn't mean I suggest removing it from Devuan unless it becomes a
human shield for systemd. If you don't speak up when they remove the
use cases of others, one day *your* use case will be dispensed with.


[1]https://www.freedesktop.org/wiki/Software/systemd/InitrdInterface/

SteveT

Steve Litt 
October 2017 featured book: Rapid Learning for the 21st Century
http://www.troubleshooters.com/rl21
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Adam Borowski
On Tue, Nov 07, 2017 at 09:33:30PM -0500, Steve Litt wrote:
> John Hughes' sole function on DNG is to say, in many different ways,
> "systemd isn't so bad." Given that systemd being bad is the
> foundational belief that created the Devuan project thus the DNG list,
> he knows he's just making trouble. He's a troll. Don't feed the troll.

Systemd is bad, but dropping the pretense that following the needs of _one_
particular stone-age PDP install is sound design is not bad.

Of course, as always our dear Lennart does it wrong (it'd be much better to
follow Hurd instead and use /bin /sbin /lib), but it doesn't make split /usr
without an initrd any better.

Today, any system where you can realistically install a general-purpose
distribution has multiple GB of disk space.  There's no gain to put / and
/usr on separate filesystem, all that you need is /boot (or an EFI
partition).  In the last case I'm aware of where someone tried a stock
system with a split, Maemo, the /usr split was deemed inadequate and they
instead decided to move most stuff to /opt while stuffing the usual places
with symlinks -- adapting packages enough to have / capable of booting would
require too much work.

There's too many obscure use cases, and too much complexity to bother using
the old way.  There are two cases:
* a regular simple system.  No fanciness like split /usr, encrypted LVM on
  RAID6+0+1 over iSCSI over wifi.  No initrd needed.
* complex.  Just plop anything you need into the initrd.

I don't get why you'd want to keep moving things around on the real system
if you can isolate it into initrd.


Meow!
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Steve Litt
On Tue, 7 Nov 2017 21:30:02 +0100
marc  wrote:

> Hello

Hi Marc,

===
Quote from John Hughes
> > I come from a Unix background -- separate /usr was deprecated in
> > the 1990's with SVR4.2, I'm kind of amazed it took Linux so long to
> > catch up.  
===

> Clearly I must have been working in a parallel universe - the
> commercial unix systems that I remember from the 90s did have
> /usr and / (some also had /opt and /usr/local in various forms)

And what I can add as that when I was a Linux newbie around the turn of
the century, my much more experienced LUGmates were recommending a
separate /usr, separate /boot, and in fact a tiny, tiny / with all
major directories mounted.


> But regardless of this, what you are doing here is called an
> "appeal to authority" and so of limited relevance.

Pre-cisely. The "Appeal to
Authority" (https://en.wikipedia.org/wiki/Argument_from_authority) is
one of several informal logical falicies. Hughes claims expertise from
his "Unix background", but we have no proof. He's saying "follow my
lead, I'm knowledgeable."  

But wait, there's more:

===
In another recent post, Hughes said, in relation to the inability to
run a mounted /usr without initramfs':

> What does this have to do with systemd?  
===

In the preceding, Hughes feigns ignorance, as if he doesn't know that
systemd's tenticles go right into initramfs, to the extent systemd
SHUTDOWN references initramfs. He pretends non-knowledge of the fact
that the same guys tying Gnome and systemd together, FreeDesktop.Org,
have been the driving force behind the great /bin, /sbin/, /usr/sbin
and /usr/bin merge, and he pretends his thorough 1980's Unix knowledge
doesn't include the fact that you need a separate /sbin with at least a
static mount and a few other commands in order to mount /usr as part of
the boot process.

John Hughes' sole function on DNG is to say, in many different ways,
"systemd isn't so bad." Given that systemd being bad is the
foundational belief that created the Devuan project thus the DNG list,
he knows he's just making trouble. He's a troll. Don't feed the troll.

I /dev/nulled Hughes years ago, yet still see his words of wisdom. (Note
to Rick: Your method gets more appealing by the day, but still has
downsides.)

Let me ask you a couple questions:

1) If a tree falls in the woods but there's nobody to hear it, did it
make a sound?

2) If a troll trolls but everybody's /dev/nulled him, is there really a
troll?

There have forever been "systemd's not so bad" trolls on DNG, and my
recommendation remains the same: When you encounter one, killile and
move on.
 
SteveT

Steve Litt 
October 2017 featured book: Rapid Learning for the 21st Century
http://www.troubleshooters.com/rl21
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Re: [DNG] Problem with xorg on 6th gen Intel cpus

2017-11-07 Thread Arnt Karlsen
On Tue, 7 Nov 2017 12:08:08 -1000, Joel wrote in message 
<20171107220808.GA18903@sprite>:

> Hi Jack,
> 
> On Sat, Oct 15, 2016, jack wrote:
> > I have been stumped by a problem with Devuan 1-beta running on 6th
> > generation Intel processors [i5-6200u, celeron n3050].  I am using
> > openbox as a window manager/desktop [but same happens with XFCE4],
> > starting from a tty with:
> > 
> >   startx
> > 
> > which brings up openbox and an lxterminal.  All is fine until I
> > attempt to exit xorg and return to the tty:  the following errors
> > are issued and the screen freezes, unresponsive to anything other
> > than a power cycle:
> > 
> >   xinit: connection to X server lost
> >   waiting for X server to shut down XIO: fatal error 4
> > (Interrupted system call) on X server ":0"
> >   after 614 requests (614 known processed) with 0 events
> > remaining
> >   .error setting MTRR (base = 0x..., size=0x..., type=1)
> > invalid argument (22)
> >   (EE) server terminated succesfully (0).  Closing log file.
> > 
> > The /var/log/Xorg.0.log file is corrupted.
> > 
> > my .xinitrc is a simple
> > 
> >   lxterminal&
> >   exec openbox
> > 
> > From the error messages, you would think think xorg completed fine,
> > but I put "echo" messages in "startx" before and after the "xinit"
> > command, and the second does not appear.
> > 
> > I am using Void Linux [4.5.2 kernel] on the 6200u laptop without
> > problems, but I also installed Slitaz Linux, which has a 3-series
> > kernel.
> > 
> > I would appreciate any help that others here can give.  
> 
> I can offer a couple ideas.
> 
> There is a choice of a couple of video drivers for X,
> notably, the VESA driver is the most generic.
> and may be worth trying out. You can specify that in 
> /etc/X11/xorg.conf, as detailed here:
> 
> http://kimbriggs.com/computer/x11-xorg-conf-vesa-driver
> 
> Of course you may want to see what video module is loaded. 
> I see that 
> 
>   cat /proc/modules
> 
> should work. I'm used to using 'lsmod' for that.
> 
> You can set various video modes at boot time:
> 
> https://unix.stackexchange.com/questions/71231/grub2-and-kernel-vga-parameter
> 
> This could also make a difference. 
> 
> hth,
> 
> joel
>  
> > Jack  


..in my messy case (Devuan Jessie with (experimental) vdev-0.1.2 and
nouveau on a Dell Precision M4400 (G96GLM [Quadro FX 770M] video)),
it first tries to load nvidia and fails, dumping me into a vga style
console.  I "usually" 'modprobe -vr nvidia ;sleep 2 ;modprobe -v \
nouveau' and then restart kdm, if I don't see Console: switching to
colour frame buffer device 240x75 and X/kdm @ 1920x1200x32@59.*Hz, 
I just kill X and do a 'modprobe -vr nouveau ;sleep 2 ;modprobe -v \
nouveau', 2 may be a little short sleep time, but has failed me only
once the last 5 years.  

..I may be a wee bit old fashion, I "usually" ;o) reboot only on 
kernel upgrades and power grid downtime out-lasting my battery.

-- 
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Rick Moen
Quoting John Hughes (j...@atlantech.com):

> The separation of / and /usr is a relic of really, really tiny disk sizes.

It _originated_ in everything not fitting on one disk on Ken Thompson
and Dennis Ritchie's PDP-11, at a point in 1971, originally as a place
for user home directories.  Rob Landley has a good version of the story:
http://lists.busybox.net/pipermail/busybox/2010-December/074114.html

However, there are other compelling use-cases for it.  (The
freedesktop.org kiddies claiming those use-cases don't exist or
shouldn't matter doesn't signify.)  As to 'just use an initramfs for
that', I'd personally prefer my servers not have them, towards the goal
of simplifying system architecture.

(Above is not an argument of any sort about distro policy.  Distros 
are welcome to set policies according to their criteria.  I will then
ignore and override those policies to run my systems as I prefer.)

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Re: [DNG] Problem with xorg on 6th gen Intel cpus

2017-11-07 Thread Joel Roth
Hi Jack,

On Sat, Oct 15, 2016, jack wrote:
> I have been stumped by a problem with Devuan 1-beta running on 6th
> generation Intel processors [i5-6200u, celeron n3050].  I am using openbox
> as a window manager/desktop [but same happens with XFCE4], starting from a
> tty with:
> 
>   startx
> 
> which brings up openbox and an lxterminal.  All is fine until I attempt to
> exit xorg and return to the tty:  the following errors are issued and the
> screen freezes, unresponsive to anything other than a power cycle:
> 
>   xinit: connection to X server lost
>   waiting for X server to shut down XIO: fatal error 4
> (Interrupted system call) on X server ":0"
>   after 614 requests (614 known processed) with 0 events
> remaining
>   .error setting MTRR (base = 0x..., size=0x..., type=1)
> invalid argument (22)
>   (EE) server terminated succesfully (0).  Closing log file.
> 
> The /var/log/Xorg.0.log file is corrupted.
> 
> my .xinitrc is a simple
> 
>   lxterminal&
>   exec openbox
> 
> From the error messages, you would think think xorg completed fine, but I
> put "echo" messages in "startx" before and after the "xinit" command, and
> the second does not appear.
> 
> I am using Void Linux [4.5.2 kernel] on the 6200u laptop without problems,
> but I also installed Slitaz Linux, which has a 3-series kernel.
> 
> I would appreciate any help that others here can give.

I can offer a couple ideas.

There is a choice of a couple of video drivers for X,
notably, the VESA driver is the most generic.
and may be worth trying out. You can specify that in 
/etc/X11/xorg.conf, as detailed here:

http://kimbriggs.com/computer/x11-xorg-conf-vesa-driver

Of course you may want to see what video module is loaded. 
I see that 

cat /proc/modules

should work. I'm used to using 'lsmod' for that.

You can set various video modes at boot time:

https://unix.stackexchange.com/questions/71231/grub2-and-kernel-vga-parameter

This could also make a difference. 

hth,

joel
 
> Jack

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-- 
Joel Roth
  

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Re: [DNG] Bluetooth headset on Devuan?

2017-11-07 Thread Mike Schmitz
On Tue, Nov 07, 2017 at 09:09:27AM -0600, dev wrote:
> 
> 
> On 11/06/2017 11:04 AM, Mike Schmitz wrote:
>  > 
> > I haven't had any problem with this. Well some choppiness when the
> > computer/network is overworked doing something else...
> 
> I'm wondering if it's due to buffer underruns. Are these buffer sizes
> the same as yours:?
> 
> ../../../src/asound/bluealsa-pcm.c:295: FIFO buffer size: 4096
> ../../../src/asound/bluealsa-pcm.c:301: Selected HW buffer: 6 periods x
> 16000 bytes <= 96004 bytes

../../../src/asound/bluealsa-pcm.c:295: FIFO buffer size: 4096
../../../src/asound/bluealsa-pcm.c:301: Selected HW buffer: 20 periods x 1920 
bytes == 38400 bytes



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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread marc
Hello

> I come from a Unix background -- separate /usr was deprecated in the 1990's
> with SVR4.2, I'm kind of amazed it took Linux so long to catch up.

Clearly I must have been working in a parallel universe - the
commercial unix systems that I remember from the 90s did have
/usr and / (some also had /opt and /usr/local in various forms)

But regardless of this, what you are doing here is called an
"appeal to authority" and so of limited relevance.

Having a small safe userland to boot up the full system allows
one to recover from a number of mishaps and permits complex
startup routines. In the past this was separated out with /
and /usr, now most of the startup logic lives in an opaque
mess called initrd/initramfs which every distribution hacks
up in its own so special way. I don't regard this as progress.

A wiser decision would have been to merge the initramfs with
/, so that / could optionally live in RAM and linuxrc can be
normal init right off the bat - that would allow one to eliminate
the complicated and brittle mess that we know as mkinitrd.

Yes, /etc would need to be made persistent somehow. That would
still be simpler than the current mkinitrd. If done smartly it
would even allow one to have a "safe" /etc version permitting
rollbacks from config finger trouble.

regards

marc
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Re: [DNG] Advice?

2017-11-07 Thread KatolaZ
On Tue, Nov 07, 2017 at 11:32:14AM -0600, R. W. Rodolico wrote:
> Thank you.
> 
> I performed the update yesterday and, with only a few minor changes, was
> able to get the client's server back. This was, without a doubt, the
> easiest dist-upgrade I have done in around 20 years of running Debian
> systems.
> 

Hi Rod,

thanks a lot for the report. It's very useful. It would be easy to say
"yeah, we knew it would work", but it's better to hear it from you ;)

Welcome to your new family

HND

KatolaZ

-- 
[ ~.,_  Enzo Nicosia aka KatolaZ - Devuan -- Freaknet Medialab  ]  
[ "+.  katolaz [at] freaknet.org --- katolaz [at] yahoo.it  ]
[   @)   http://kalos.mine.nu ---  Devuan GNU + Linux User  ]
[ @@)  http://maths.qmul.ac.uk/~vnicosia --  GPG: 0B5F062F  ] 
[ (@@@)  Twitter: @KatolaZ - skype: katolaz -- github: KatolaZ  ]


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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread KatolaZ
On Tue, Nov 07, 2017 at 05:14:21PM +0100, Klaus Ethgen wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA512
> 
> #157
> 
> Regards
>Klaus

Good things happen to those who can wait ;)

HND

KatolaZ

-- 
[ ~.,_  Enzo Nicosia aka KatolaZ - Devuan -- Freaknet Medialab  ]  
[ "+.  katolaz [at] freaknet.org --- katolaz [at] yahoo.it  ]
[   @)   http://kalos.mine.nu ---  Devuan GNU + Linux User  ]
[ @@)  http://maths.qmul.ac.uk/~vnicosia --  GPG: 0B5F062F  ] 
[ (@@@)  Twitter: @KatolaZ - skype: katolaz -- github: KatolaZ  ]


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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread dev


On 11/07/2017 10:50 AM, John Hughes wrote:
> Neither /home not /var are on /, for obvious reasons.  / is for
> mostly-static things that are owned by the OS or the admin.

Ah, I misunderstood. Apologies for the static.
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Re: [DNG] Advice?

2017-11-07 Thread R. W. Rodolico
Thank you.

I performed the update yesterday and, with only a few minor changes, was
able to get the client's server back. This was, without a doubt, the
easiest dist-upgrade I have done in around 20 years of running Debian
systems.

Ran into a few minor issues, which I'll record here in case anyone has
do do something similar.

First, qemu-system-x86 is not installed as a dependency on
xen-linux-system. Seems reasonable, since some people want a paravirt
only setup and this appears to only affect hvm's (if I understand qemu's
part in all this).

Second, my configs were very old; I think I've used the same configs
since lenny, or maybe earlier? So, I had to actually break down and RTFM
and clean all the old cruft out of my config's. It appears 4.4 is a
little more strict.

Following is the procedure I used, based on
See
https://git.devuan.org/dev1fanboy/Upgrade-Install-Devuan/wikis/Upgrade-to-Devuan


apt-get update && apt-get upgrade

Change /etc/apt/source.list
deb http://auto.mirror.devuan.org/merged jessie main
deb http://auto.mirror.devuan.org/merged jessie-updates main
deb http://auto.mirror.devuan.org/merged jessie-security main

apt-get update && apt-get install devuan-keyring -y --allow-unauthenticated
apt-get update -y
apt-get dist-upgrade
reboot
apt-get install qemu-system-x86

Now, clean up the configs for each domu, and it all works well.

I'll write this up and put it someplace for anyone else who ends up
doing this.

Again, thank you very much. I did not build the domu as you recommended
since I already had a broken system that I would need to rebuild from
scratch if this didn't work, and I already had backups of everything

Rod



On 11/06/2017 02:29 PM, Hector Gonzalez wrote:
> 
> On 11/05/2017 09:49 PM, rodolico wrote:
>> I've been watching devuan for a while, and like what I see. I had
>> planned a migration of our servers from Debian to a combination of
>> devuan and freebsd in the future, and have been leaving everything as
>> LTS wheezy for now.
>>
>> Now, our plans have to be accelerated due to a recent problem with
>> wheezy and Xen.
>>
>> My questions are:
>>
>> 1. is
>> https://git.devuan.org/dev1fanboy/Upgrade-Install-Devuan/wikis/Upgrade-to-Devuan
>>
>> still the way to go?
> I haven't had a problem with it, but you should try this with a virtual
> server first.  You can use a virtualbox machine as a Xen Dom0, and test
> your process there (yes, I've done that).
> 
>> 2. Has anyone tested Xen (as a DOM0) with devuan, or will we be doing
>> this first.
> 
> Yes, It works fine, I have several Xen Dom0 running in production, the
> oldest one has been running devuan for over a year now, it has 20 DomU's
> now.
> 
>> Any suggestions/recommendations would be greatly appreciated.
> Make backups, test your backups, and don't overwrite your backups with
> new versions, and try out your process with virtual machines first.
>>
>> Rod
> 

-- 
Rod Rodolico
Daily Data, Inc.
POB 140465
Dallas TX 75214-0465
214.827.2170
http://www.dailydata.net
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 07/11/17 17:50, John Hughes wrote:


The separation of / and /usr is a relic of really, really tiny disk 
sizes.


(The first machine I used had 8 megacharacter disks -- not megabyte, 
megacharacter.   Six bit characters.  Ok, it didn't run Unix.  :-)).


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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 07/11/17 17:41, dev wrote:


On 11/07/2017 10:29 AM, John Hughes wrote:

On 07/11/17 17:13, Klaus Ethgen wrote:

[ separate / and /usr ] is the best way to keep your /usr flexible to
further lvm grows for example.

Personally I have a / on a lvm2 volume.  Works OK for me, I see no loss
in flexibility.

Until a user fills up their home directory with kitten gifs and you can
no longer login because syslog has no space to write to /var.


Neither /home not /var are on /, for obvious reasons.  / is for 
mostly-static things that are owned by the OS or the admin.


The separation of / and /usr is a relic of really, really tiny disk sizes.


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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread dev


On 11/07/2017 10:29 AM, John Hughes wrote:
> On 07/11/17 17:13, Klaus Ethgen wrote:
>> [ separate / and /usr ] is the best way to keep your /usr flexible to
>> further lvm grows for example.
> 
> Personally I have a / on a lvm2 volume.  Works OK for me, I see no loss
> in flexibility.

Until a user fills up their home directory with kitten gifs and you can
no longer login because syslog has no space to write to /var.

The "everything on slash" mentality is a short-sighted partitioning
workaround that never should have seen the light of day. Many commercial
packages do this as well and those systems give me endless grief when
applications running there either fill up /var or dump endless blobs in
/tmp.

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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 07/11/17 17:13, Klaus Ethgen wrote:

[ separate / and /usr ] is the best way to keep your /usr flexible to
further lvm grows for example.


Personally I have a / on a lvm2 volume.  Works OK for me, I see no loss 
in flexibility.


Like I say, SVR4.2 deprecated separate /usr in the 1990's.  I haven't 
used a machine without the root filesystem being on a LVM type system 
(VXVM in fact) since around 1998.





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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE-
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#157

Regards
   Klaus
- -- 
Klaus Ethgen   http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Am Di den  7. Nov 2017 um 17:07 schrieb John Hughes:
> > Well, Debian deprecated a separate /usr as systemd is not working good
> > with a separate /usr.
> 
> They actually deprecated it as many things were not working with a separate
> /usr.  systemd has no more or less problems than anything else that uses
> things on /usr.
> 
> I come from a Unix background -- separate /usr was deprecated in the 1990's
> with SVR4.2, I'm kind of amazed it took Linux so long to catch up.

Well, it was never a problem until they brought systemd into debian. All
my systems have separate /usr and just a very small /.

That SVR4.2 deprecated that was just the fact that proprietary packages
often polite other path under / like /opt or even worse.

It is the best way to keep your /usr flexible to further lvm grows for
example.

> In this particular case it's a bit irritating, it could be fixed by moving
> liblz4 to /lib or by not linking the various lvm2 binaries against
> libsystemd.

Well, yes, the proper solution would be to not ling against libsystemd.

Regards
   Klaus
- -- 
Klaus Ethgen   http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 07/11/17 16:50, Klaus Ethgen wrote:



If you have an seperate /usr (what is not supported by the ignorance of
systemd) and that /usr on lvm and a kernel with no initrd (what does not
exist in the ignorance of systemd), then you are doomed and your system
will not boot anymore.

What does this have to do with systemd?

Well, Debian deprecated a separate /usr as systemd is not working good
with a separate /usr.


They actually deprecated it as many things were not working with a 
separate /usr.  systemd has no more or less problems than anything else 
that uses things on /usr.


I come from a Unix background -- separate /usr was deprecated in the 
1990's with SVR4.2, I'm kind of amazed it took Linux so long to catch up.


In this particular case it's a bit irritating, it could be fixed by 
moving liblz4 to /lib or by not linking the various lvm2 binaries 
against libsystemd.


Presumably devuan and debian will have differing ideas of how and 
whether this should be fixed.  :-)


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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
Am Di den  7. Nov 2017 um 17:00 schrieb Klaus Ethgen:
> > So, could you please also file a bug report in Devuan with a link to
> > Debian's bug report? Use bugs.devuan.org for that.
> 
> Done.

Hmm... Doesn't seem to work. I sent the attached mail but nothing
happened.

Regards
   Klaus
-- 
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pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
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--- Begin Message ---
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Package: lvm2
Version: 2.02.175-1
Severity: critical

Debian-Bug: #881057
- -- 
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pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Evilham
Am 07/11/2017 um 17:00 schrieb Klaus Ethgen:
> The first broken version is 2.02.175-1, or other way, the last working
> version is 2.02.173-1.
> 
>> So, could you please also file a bug report in Devuan with a link to
>> Debian's bug report? Use bugs.devuan.org for that.
> Done.
> 
>> Change log and WHATS_NEW file don't contain mentions of a
>> similar-sounding issue. The only thing fixed regarding 2.02.175 is:
>> - Fix detection of moved PVs in vgsplit. (2.02.175)
>> Which doesn't sound like your problem.
>> It wouldn't hurt to try to chroot your way into the system and upgrade
>> the package though.
> Well, The problem is that I _did_ an upgrade and ended with a unbootable
> system. I had to boot with grml and installed version 2.02.173-1 what
> fixed the problem.
> 
> ldd do show the dependencies to /usr if you want to check yourself.

Thank you!

Actually, John's last email explains it all :) I didn't go that far in
the troubleshooting right now.

That bug report should help make sure we don't land that beyond our
unstable regardless of what Debian does with it.
-- 
Evilham
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Am Di den  7. Nov 2017 um 16:50 schrieb John Hughes:
> So, it seems some things depend on lz4.  But nothing mentions it directly.
> 
> But, here's the problem -- lvm2 depends on
> /lib/x86_64-linux-gnu/libsystemd.so.0 and *that* depends on liblz4.
> 
> This is sad.

True. Especially as that dependency is absolutelly not needed.

It is the way they want to bring systemd dependencies into any package.

> To allow /usr-less booting either lvm2 should not depend on libsystemd, or
> liblz4 should be moved to /lib.

Well, nothing should depend on libsystemd. liblz4 is not needed by lvm.

Regards
   Klaus
- -- 
Klaus Ethgen   http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Am Di den  7. Nov 2017 um 16:22 schrieb Evilham:
[broken lvm2 in debian]
> This is quite serious.
> 
> If you found the issue only appears with 2.02.175-1, Devuan Jessie and
> Ascii would be safe, so no need to worry yet. We do have to keep track
> of how (and if) it gets fixed in Debian.

The first broken version is 2.02.175-1, or other way, the last working
version is 2.02.173-1.

> So, could you please also file a bug report in Devuan with a link to
> Debian's bug report? Use bugs.devuan.org for that.

Done.

> Change log and WHATS_NEW file don't contain mentions of a
> similar-sounding issue. The only thing fixed regarding 2.02.175 is:
> - Fix detection of moved PVs in vgsplit. (2.02.175)
> Which doesn't sound like your problem.
> It wouldn't hurt to try to chroot your way into the system and upgrade
> the package though.

Well, The problem is that I _did_ an upgrade and ended with a unbootable
system. I had to boot with grml and installed version 2.02.173-1 what
fixed the problem.

ldd do show the dependencies to /usr if you want to check yourself.

Gruß
   Klaus
- -- 
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pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Am Di den  7. Nov 2017 um 16:21 schrieb John Hughes:
> On 07/11/17 15:29, Klaus Ethgen wrote:
> 
> > today I suffered by a heavy bug in lvm2. With version 2.02.175-1 it
> > starts to depend on library in /usr.
> 
> Which binary? What library in /usr?

/sbin/lvm
Lib /usr/lib/x86_64-linux-gnu/liblz4.so.1

> > If you have an seperate /usr (what is not supported by the ignorance of
> > systemd) and that /usr on lvm and a kernel with no initrd (what does not
> > exist in the ignorance of systemd), then you are doomed and your system
> > will not boot anymore.
> 
> What does this have to do with systemd?

Well, Debian deprecated a separate /usr as systemd is not working good
with a separate /usr.

> If your system uses sysvinit instead of systemd does it manage to mount /usr
> if /usr is on lvm?  How?

Well, lvm as all important binaries never depend on any in /usr. So why
shouldn't that work? It was a common setup until systemd found the way
into debian.

Regards
   Klaus
- -- 
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pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 07/11/17 16:21, John Hughes wrote:

On 07/11/17 15:29, Klaus Ethgen wrote:


today I suffered by a heavy bug in lvm2. With version 2.02.175-1 it
starts to depend on library in /usr.


Which binary? What library in /usr?


So, it seems some things depend on lz4.  But nothing mentions it directly.

But, here's the problem -- lvm2 depends on 
/lib/x86_64-linux-gnu/libsystemd.so.0 and *that* depends on liblz4.


This is sad.

To allow /usr-less booting either lvm2 should not depend on libsystemd, 
or liblz4 should be moved to /lib.


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Re: [DNG] Expansion of the development team

2017-11-07 Thread Alessandro Selli
On Mon, 06 Nov 2017 at 06:35:23 +0300
m712  wrote:

>
> On November 5, 2017 9:44:29 PM GMT+03:00, goli...@dyne.org wrote:
> >The group decided, from the options suggested, that they will be 
> >collectively referred to as the 'Caretakers'. 
> They don't really need a group name, in my opinion. That gives me a

  What'd be wrong with that?  :-)



-- 
Alessandro Selli http://alessandro.route-add.net
VOIP SIP: dhatarat...@ekiga.net
Chiavi PGP/GPG keys: B7FD89FD, 4A904FD9
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Evilham
Am 07/11/2017 um 16:22 schrieb Evilham:
> This is currently the last pushed commit (Release 2.02.178-1):
> https://gitlab.com/debian-lvm/lvm2/commit/90bc98f3828032a1ad24daf14e2e2f2f704f1bd6

I meant 2.02.175-1, of course.
-- 
Evilham
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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Evilham
Hallo Klaus,

Am 07/11/2017 um 15:29 schrieb Klaus Ethgen:
> today I suffered by a heavy bug in lvm2. With version 2.02.175-1 it
> starts to depend on library in /usr.
> 
> If you have an seperate /usr (what is not supported by the ignorance of
> systemd) and that /usr on lvm and a kernel with no initrd (what does not
> exist in the ignorance of systemd), then you are doomed and your system
> will not boot anymore.
> 
> How is that going in devuan? Will it be repaired? I already filled an
> bugreport in debian but I believe it will be closed as wontfix by

This is quite serious.

If you found the issue only appears with 2.02.175-1, Devuan Jessie and
Ascii would be safe, so no need to worry yet. We do have to keep track
of how (and if) it gets fixed in Debian.

So, could you please also file a bug report in Devuan with a link to
Debian's bug report? Use bugs.devuan.org for that.

Just mentioning that the current version in Debian Sid is 2.02.176 and I
can't find a git repository that includes those changes...
This is currently the last pushed commit (Release 2.02.178-1):
https://gitlab.com/debian-lvm/lvm2/commit/90bc98f3828032a1ad24daf14e2e2f2f704f1bd6

Change log and WHATS_NEW file don't contain mentions of a
similar-sounding issue. The only thing fixed regarding 2.02.175 is:
- Fix detection of moved PVs in vgsplit. (2.02.175)
Which doesn't sound like your problem.
It wouldn't hurt to try to chroot your way into the system and upgrade
the package though.
-- 
Evilham



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Re: [DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread John Hughes

On 07/11/17 15:29, Klaus Ethgen wrote:


today I suffered by a heavy bug in lvm2. With version 2.02.175-1 it
starts to depend on library in /usr.


Which binary? What library in /usr?


If you have an seperate /usr (what is not supported by the ignorance of
systemd) and that /usr on lvm and a kernel with no initrd (what does not
exist in the ignorance of systemd), then you are doomed and your system
will not boot anymore.


What does this have to do with systemd?

If your system uses sysvinit instead of systemd does it manage to mount 
/usr if /usr is on lvm?  How?

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Re: [DNG] Bluetooth headset on Devuan?

2017-11-07 Thread dev


On 11/06/2017 11:04 AM, Mike Schmitz wrote:
 
> I haven't had any problem with this. Well some choppiness when the
> computer/network is overworked doing something else...

I'm wondering if it's due to buffer underruns. Are these buffer sizes
the same as yours:?

../../../src/asound/bluealsa-pcm.c:295: FIFO buffer size: 4096
../../../src/asound/bluealsa-pcm.c:301: Selected HW buffer: 6 periods x
16000 bytes <= 96004 bytes


Thanks
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[DNG] WARNING: lvm2 > 2.02.173-1 breaks some systems and make them unbootable

2017-11-07 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Hello,

today I suffered by a heavy bug in lvm2. With version 2.02.175-1 it
starts to depend on library in /usr.

If you have an seperate /usr (what is not supported by the ignorance of
systemd) and that /usr on lvm and a kernel with no initrd (what does not
exist in the ignorance of systemd), then you are doomed and your system
will not boot anymore.

How is that going in devuan? Will it be repaired? I already filled an
bugreport in debian but I believe it will be closed as wontfix by
Biebl, the systemd priest in debian.

Regards
   Klaus
- -- 
Klaus Ethgen   http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
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