21 Aug
2018
21 Aug
'18
5:54 p.m.
On Tuesday 21 August 2018 16:55:31 Dr. Nikolaus Klepp wrote:
Am Dienstag, 21. August 2018 schrieb Slávek Banko:
Glad I have a rowing partner in this leaky rowboat, Nik.
--
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
Dne út 21. srpna 2018 Nick Koretsky napsal(a):
Maybe I missed the point somewhere, but I was under the impression
that Gene wants to run linuxcnc on a production machine, and that
needs a realtime kernel. To be more prcise, linuxcnc 2.7 needs a rtai
patched kernel if you want decent latentcy, not the rtpreempt kernels
from debian. I have now two mills running on devuan ascii, both with
the old kernels from linuxcnc-wheezy 'cause of latency.
Nik On Tue, 21 Aug 2018 09:08:55 -0400
Gene Heskett <gheskett(a)shentel.net> wrote:
I recommend upgrading to wheezy-backports kernel.
Cheers On Tuesday 21 August 2018 08:21:12 Nick Koretsky
wrote:
> On Tue, 21 Aug 2018 12:55:28 +0200
>
> "Dr. Nikolaus Klepp" <office(a)klepp.biz> wrote:
> > Am Dienstag, 21. August 2018 schrieb Nick Koretsky:
> > > On Tue, 21 Aug 2018 09:20:43 +0200
> > >
> > > "Dr. Nikolaus Klepp" <office(a)klepp.biz> wrote:
> > > > > Its tears so far Nik. There are so many differences
> > > > > just in the ext4's used that one of them should be
> > > > > renamed, they will NOT cross mount, ext4 disk to ext4
> > > > > mount.
> > > >
> > > > Hi Gene!
> > > >
> > > > When you cannot mount the ext4 partions from one
> > > > another, then there is something very wrong. ext4 can be
> > > > mounted as ext2 and that should alway work - at least,
> > > > if the drives and filesystems are ok.
> > >
> > > No, you are wrong. There were options added to ext4 which
> > > made it incompatible with older kernels. And a few years
> > > ago they made this options default. Debian wheezy kernel
> > > (3.2) would not mount ext4 created in debian stretch.
> >
> > Hi!
> >
> > Now that's a gotcha I did not know. How did it come that
> > this was thought of beeing a good idea?
> >
> > Nik
>
> Yep. Exactly my thought when i spent 3-hours with a server
> refusing to boot after migration to a new hdd (i used a
> stretch flash to copy). Who the fuck toughs it was a good
> idea?!! Why not call it ext5 or ext4a or whatever?!!
+100
Now the question of the day is how the hell do we fix it?
If you need a shared partition between wheezy and stretch create
it in wheezy.