correomm | CentOS FAQ

Author : correomm

Home » Articles posted by correomm

CentOS 7, Memory Hungry (2.5GB) Without User And Heavy Services Running

Posted August 22, 2016 by correomm & filed under CentOS Comments: 1

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 ..

Dm-0: WRITE SAME Failed. Manually Zeroing

Posted August 22, 2016 by correomm & filed under CentOS Comments: 2

HelloIn 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?R..

BUG: Soft Lockup – CPU#0 Stuck For 36s! [swapper/0:0]

Posted August 18, 2016 by correomm & filed under CentOS Comments: 14

This bug is reported only on the VMs with CentOS 7 running on on VMware ESXi 5.1. The vSphere performance graph shows high CPU consume and disk activity only on VMs with CentOS 7. Sometimes I can not connect remotely with ssh (timeout error). The deta..