<div dir="ltr"><div>Elisabetta, I am not an expert on Debian systems.</div><div>I think to solve your problem with the kernels, you need to recreate the initial ramdisk and make sure it has the modules you need.</div><div><br></div><div>So boot the system in kernel 3.2 and then run:</div><div>mkinitrd 3.16.0-4-amd64</div><div><br></div><div><br></div><div>How was the kernel version 3.16.0-4-amd64 installed?<br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 9 January 2018 at 13:16, Elisabetta Falivene <span dir="ltr"><<a href="mailto:e.falivene@ilabroma.com" target="_blank">e.falivene@ilabroma.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Root file system is on the master. I'm being able to boot the machine changing kernel. Grub allow to boot from two kernel:<div>
<p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">kernel 3.2.0-4-amd64</p>
<p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">kernel 3.16.0-4-amd64</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">The problem is with kernel 3.16, but boots correctly with 3.2.</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">Anyway, rebooting with kernel 3.2, slurm (now updated to 14.03.9, was 2.3.4) doesn't work anymore and gives this error:</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">First time after reboot launching sinfo:</p><p class="m_-6938223967156962189gmail-p1" style="margin:0px;line-height:normal;font-family:Helvetica;font-size:12px;font-variant:normal;font-stretch:normal"><i><b>sinfo: error: If munged is up, restart with —numthreads=10</b></i></p><p class="m_-6938223967156962189gmail-p1" style="margin:0px;line-height:normal;font-family:Helvetica;font-size:12px;font-variant:normal;font-stretch:normal"><i><b>sinfo: error: Munge encode failed: Failed to access /var/run/munge/munge.socket2”: No such file or directory</b></i></p><p class="m_-6938223967156962189gmail-p1" style="margin:0px;line-height:normal;font-family:Helvetica;font-size:12px;font-variant:normal;font-stretch:normal"><i><b>sino: error: Authentication: Socket communication error</b></i></p><p class="m_-6938223967156962189gmail-p1" style="margin:0px;line-height:normal;font-family:Helvetica;font-size:12px;font-variant:normal;font-stretch:normal"><i><b>slurm_load_partition: Protocol authentication error</b></i></p><p class="m_-6938223967156962189gmail-p2" style="font:12px/normal Helvetica;margin:0px;min-height:14px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">Re-launching sinfo</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">
</p><p class="m_-6938223967156962189gmail-p1" style="margin:0px;line-height:normal;font-family:Helvetica;font-size:12px;font-variant:normal;font-stretch:normal"><i><b>slurm_load_jobs error: Unable to contact slurm controller (connect failure)</b></i></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">What does it mean?</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">betta</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">PS: In the kernel 3.16 case, it gives the "gave up waiting" error and *before* the error is thrown there is another error</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">"Running scripts/local-block</p>
<p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">Unable to find lvm volume"</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">It keeps trying this thing several times and then falls back to initramfs. (even if booted in recovery!)</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal">Moreover, in this situation it seems not to load the usb keyboard so i'm truly able to do anything.</p><p class="m_-6938223967156962189gmail-m_1965839552829207180gmail-p1" style="font:12px/normal Helvetica;margin:0px;font-stretch:normal"><br></p></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">2018-01-08 12:26 GMT+01:00 Markus Köberl <span dir="ltr"><<a href="mailto:markus.koeberl@tugraz.at" target="_blank">markus.koeberl@tugraz.at</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><span>On Monday, 8 January 2018 11:39:32 CET Elisabetta Falivene wrote:<br>
> Here I am again.<br>
> In the end, I did the upgrade from debian 7 wheezy to debian 8 jessie in<br>
> order to update Slurm and solve some issues with it. It seemed it all went<br>
> well. Even slurm problem seemed solved. Then I rebooted the machine and the<br>
> problems began. I can't boot the master anymore returning an error:<br>
><br>
</span>> *gave up waiting for root device. Common problems:- Boot args (cat<br>
> /proc/cmdline)- check rootdelay= (did the sistem wait long enouth?)- check<br>
> root= (did the sistem wait for the right device?)- missing modules (cat<br>
> /proc/modules; ls /dev)ALERT! /dev/mapper/system-root does not exist.<br>
> Dropping to a shell!"*<br>
> *modprobe: module ehci-pci not found in modules.dep*<br>
><br>
> *modprobe: module ehci-orion not found in modules.dep*<br>
><br>
> *modprobe: module ehci-hcd not found in modules.dep*<br>
><br>
> *modprobe: module ohci-hcd not found in modules.dep*<br>
><br>
> *Busybox v1.22.1 (Debian 1:1.22.0-9+deb8u1) built-in shell (ash)*<br>
> *Enter help for a list of built-in commands*<br>
><br>
><br>
> * /bin/sh can't access tty job control turned off *<br>
> *(initramfs)*<br>
<span>><br>
> Maybe did you ever had this type of problem?<br>
<br>
</span>Where is your root file system located?<br>
If it is on a local disk check your /etc/fstab<br>
Maybe the device location has changed with the newer kernel?<br>
<br>
<br>
regards<br>
<span class="m_-6938223967156962189HOEnZb"><font color="#888888">Markus Köberl<br>
--<br>
Markus Koeberl<br>
Graz University of Technology<br>
Signal Processing and Speech Communication Laboratory<br>
E-mail: <a href="mailto:markus.koeberl@tugraz.at" target="_blank">markus.koeberl@tugraz.at</a><br>
</font></span></blockquote></div><br></div>
</div></div></blockquote></div><br></div>