CentOS - Aug 2017 - BUG: soft lockup - CPU#0 stuck for 36s! [swapper/0:0]

All,This happens on all of our CentOS 7 VMs.? but as stated in the email trail,
the file softlockup_thresh does not exist.? Should it be added?? What is the
best way to get rid of this behavior.
Thanks in advance and sorry if I missed something along the way.KM

      From: correomm <correomm at gmail.com>
 To: CentOS mailing list <centos at centos.org> 
 Sent: Thursday, August 18, 2016 1:55 PM
 Subject: Re: [CentOS] BUG: soft lockup - CPU#0 stuck for 36s! [swapper/0:0]
   
Yes, I tried it, but does not exists:

vmguest # cat /proc/sys/kernel/softlockup_thresh
cat: /proc/sys/kernel/softlockup_thresh: No such file or directory

On Thu, Aug 18, 2016 at 2:06 PM, Carlos A. Carnero Delgado <
carloscarnero at gmail.com> wrote:
> 2016-08-18 12:39 GMT-04:00 correomm <correomm at gmail.com>:
>
> > This bug is reported only on the VM's with CentOS 7 running on on
VMware
> > ESXi 5.1.
> > The vSphere performance graph shows high CPU consume and disk activity
> only
> > on VM's with CentOS 7. Sometimes I can not connect remotely with
ssh
> > (timeout error).
> >
>
> I'm also seeing those errors in several servers, running under 5.5.
> Currently investigating if this
> <https://kb.vmware.com/selfservice/microsites/search.
> do?language=en_US&cmd=displayKC&externalId=1009996>
> has anything to do (the resource overcommit bit).
>
> HTH,
> Carlos.
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>
_______________________________________________
CentOS mailing list
CentOS at centos.org
https://lists.centos.org/mailman/listinfo/centos


   

|  | Virus-free. www.avg.com  |

Never saw this email....Did anyone get it?? anyone know how to fix this?thanks
again.

      From: KM <info4km at yahoo.com>
 To: CentOS mailing list <centos at centos.org> 
 Sent: Monday, August 7, 2017 11:26 AM
 Subject: Re: [CentOS] BUG: soft lockup - CPU#0 stuck for 36s! [swapper/0:0]
   
All,This happens on all of our CentOS 7 VMs.? but as stated in the email trail,
the file softlockup_thresh does not exist.? Should it be added?? What is the
best way to get rid of this behavior.
Thanks in advance and sorry if I missed something along the way.KM

      From: correomm <correomm at gmail.com>
 To: CentOS mailing list <centos at centos.org> 
 Sent: Thursday, August 18, 2016 1:55 PM
 Subject: Re: [CentOS] BUG: soft lockup - CPU#0 stuck for 36s! [swapper/0:0]
   
Yes, I tried it, but does not exists:

vmguest # cat /proc/sys/kernel/softlockup_thresh
cat: /proc/sys/kernel/softlockup_thresh: No such file or directory

On Thu, Aug 18, 2016 at 2:06 PM, Carlos A. Carnero Delgado <
carloscarnero at gmail.com> wrote:
> 2016-08-18 12:39 GMT-04:00 correomm <correomm at gmail.com>:
>
> > This bug is reported only on the VM's with CentOS 7 running on on
VMware
> > ESXi 5.1.
> > The vSphere performance graph shows high CPU consume and disk activity
> only
> > on VM's with CentOS 7. Sometimes I can not connect remotely with
ssh
> > (timeout error).
> >
>
> I'm also seeing those errors in several servers, running under 5.5.
> Currently investigating if this
> <https://kb.vmware.com/selfservice/microsites/search.
> do?language=en_US&cmd=displayKC&externalId=1009996>
> has anything to do (the resource overcommit bit).
>
> HTH,
> Carlos.
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>
_______________________________________________
CentOS mailing list
CentOS at centos.org
https://lists.centos.org/mailman/listinfo/centos


   

|  | Virus-free. www.avg.com  |

Never saw this email....Did anyone get it?? anyone know how to fix this?thanks
again.

      From: KM <info4km at yahoo.com>
 To: CentOS mailing list <centos at centos.org> 
 Sent: Monday, August 7, 2017 11:26 AM
 Subject: Re: [CentOS] BUG: soft lockup - CPU#0 stuck for 36s! [swapper/0:0]
  
All,This happens on all of our CentOS 7 VMs.? but as stated in the email trail,
the file softlockup_thresh does not exist.? Should it be added?? What is the
best way to get rid of this behavior.
Thanks in advance and sorry if I missed something along the way.KM

      From: correomm <correomm at gmail.com>
 To: CentOS mailing list <centos at centos.org> 
 Sent: Thursday, August 18, 2016 1:55 PM
 Subject: Re: [CentOS] BUG: soft lockup - CPU#0 stuck for 36s! [swapper/0:0]
  
Yes, I tried it, but does not exists:

vmguest # cat /proc/sys/kernel/softlockup_thresh
cat: /proc/sys/kernel/softlockup_thresh: No such file or directory

On Thu, Aug 18, 2016 at 2:06 PM, Carlos A. Carnero Delgado <
carloscarnero at gmail.com> wrote:
> 2016-08-18 12:39 GMT-04:00 correomm <correomm at gmail.com>:
>
> > This bug is reported only on the VM's with CentOS 7 running on on
VMware
> > ESXi 5.1.
> > The vSphere performance graph shows high CPU consume and disk activity
> only
> > on VM's with CentOS 7. Sometimes I can not connect remotely with
ssh
> > (timeout error).
> >
>
> I'm also seeing those errors in several servers, running under 5.5.
> Currently investigating if this
> <https://kb.vmware.com/selfservice/microsites/search.
> do?language=en_US&cmd=displayKC&externalId=1009996>
> has anything to do (the resource overcommit bit).
>
> HTH,
> Carlos.
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>
_______________________________________________
CentOS mailing list
CentOS at centos.org
https://lists.centos.org/mailman/listinfo/centos


   

|  | Virus-free. www.avg.com  |

On Mon, 2017-08-07 at 15:26 +0000, KM wrote:
> All,This happens on all of our CentOS 7 VMs.? but as stated in the
> email trail, the file softlockup_thresh does not exist.? Should it be
> added?? What is the best way to get rid of this behavior.
> Thanks in advance and sorry if I missed something along the way.KM
Yes, I see this behavior as well.  Never have found a solution - other
than increasing the threshold and pretending it doesn't happen.

Adam Tauno Williams wrote:
> On Mon, 2017-08-07 at 15:26 +0000, KM wrote:
>> All,This happens on all of our CentOS 7 VMs.? but as stated in the
>> email trail, the file softlockup_thresh does not exist.? Should it be
>> added?? What is the best way to get rid of this behavior.
>> Thanks in advance and sorry if I missed something along the way.KM
>
> Yes, I see this behavior as well.  Never have found a solution - other
> than increasing the threshold and pretending it doesn't happen.
>
We see it a fair bit, and this is on server running on bare metal, not VMs.

      mark