[CentOS] CentOS 7, memory hungry (2.5GB) without user and heavy services running

2016-08-22 Thread correomm
Hello, The last weekend, the VM with CentOS 7 (kernel-3.10.0-327.28.2.el7.x86_64) was running with 2.5GB of used memory, but without users connected, and heavy services running. Three minutes after reboot, the o.s. is running with 114MB used. ¿Why the 62% of memory is used if the o.s. does not hav

[CentOS] dm-0: WRITE SAME failed. Manually zeroing

2016-08-22 Thread correomm
Hello In a VM with CentOS 7, kernel 3.10.0-327.28.3.el7.x86_64, the console root login shows "[72.776182] dm-0: WRITE SAME failed. Manually zeroing". What is wrong? Regards, MM ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mail

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

2016-08-18 Thread correomm
No, I don't use snapshots. It is a Dell 2 TB Enterprise 3.5" SATA Hard Drive. The disk activity of the host is normal to low. Few VM's. On Thu, Aug 18, 2016 at 2:32 PM, JJB wrote: > > 2016-08-18 12:39 GMT-04:00 correomm : >> >> This bug is reported only on the

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

2016-08-18 Thread correomm
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 < carloscarn...@gmail.com> wrote: > 2016-08-18 12:39 GMT-04:00

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

2016-08-18 Thread correomm
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). The details of last issues was reported to retrace.f