kvm/qemu system freeze after update to kernel-2.6.32-754.3.5.el6.x86_64

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fatcharly@gmx.de
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kvm/qemu system freeze after update to kernel-2.6.32-754.3.5.el6.x86_64

Post by fatcharly@gmx.de » 2018/08/22 16:39:43

Hi,

I´m runnig a centOS 6.10 a kvm/qemu host with drbd (there is a sister-host as hot-standby). Today I did an update via yum and everything looked fine after a reboot. But then under kernel-2.6.32-754.3.5.el6.x86_64 the host system freezed completly after the start of a virtual system (started via virsh).
I can start all virtual systems with no problem when I boot the system with the older 2.6.32-754.2.1.el6.x86_64 and all installed updates.

Which informations should i provide ?

This is the list of the last update:
Aug 22 17:14:56 Updated: kernel-firmware-2.6.32-754.3.5.el6.noarch
Aug 22 17:15:06 Installed: kernel-2.6.32-754.3.5.el6.x86_64
Aug 22 17:15:07 Updated: 2:microcode_ctl-1.17-33.3.el6_10.x86_64
Aug 22 17:15:08 Updated: kernel-headers-2.6.32-754.3.5.el6.x86_64
Aug 22 17:15:19 Updated: 1:java-1.7.0-openjdk-1.7.0.191-2.6.15.4.el6_10.x86_64
Aug 22 17:15:19 Updated: yum-plugin-fastestmirror-1.1.30-42.el6_10.noarch
Aug 22 17:15:20 Updated: sos-3.2-63.el6.centos.2.noarch
Aug 22 17:15:20 Updated: yum-plugin-security-1.1.30-42.el6_10.noarch
Aug 22 17:15:21 Updated: perf-2.6.32-754.3.5.el6.x86_64
Aug 22 17:15:21 Updated: yum-utils-1.1.30-42.el6_10.noarch

this is the kvm-version:
qemu-kvm-0.12.1.2-2.506.el6_10.1.x86_64
qemu-kvm-tools-0.12.1.2-2.506.el6_10.1.x86_64

Hardware: HP Dl380 G5

Any suggestions are welcome

kind regards

fatcharly

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avij
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Re: kvm/qemu system freeze after update to kernel-2.6.32-754.3.5.el6.x86_64

Post by avij » 2018/08/22 16:57:28

Which CPU model do you have? See /proc/cpuinfo

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TrevorH
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Re: kvm/qemu system freeze after update to kernel-2.6.32-754.3.5.el6.x86_64

Post by TrevorH » 2018/08/22 17:21:03

Sounds like a known problem with older cpu models judging by the G5 bit of that. G5 would have shipped with processors from the era that seem to be affected. RH know about the problem and have provided a test kernel to the original reporter which seems to fix the problem, the rest of us have to wait for it to be released. If you have a RH support contract then you should be able to ask for the fix too but otherwise I think you'll need to boot the older kernel and wait until they release the fixed one.
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fatcharly@gmx.de
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Joined: 2018/08/22 16:20:16

Re: kvm/qemu system freeze after update to kernel-2.6.32-754.3.5.el6.x86_64

Post by fatcharly@gmx.de » 2018/08/23 14:44:37

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Xeon(R) CPU 5160 @ 3.00GHz
stepping : 11
microcode : 188
cpu MHz : 1999.998
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf eagerfpu pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca lahf_lm dtherm pti retpoline tpr_shadow vnmi flexpriority
bogomips : 6000.28
clflush size : 64
cache_alignment : 64
address sizes : 38 bits physical, 48 bits virtual
power management:

fatcharly@gmx.de
Posts: 3
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Re: kvm/qemu system freeze after update to kernel-2.6.32-754.3.5.el6.x86_64

Post by fatcharly@gmx.de » 2018/08/23 14:48:57

yes, youre right it`s an older machine from about 2008. So the problem is known and (because I got no RH-support) I have to wait for the next kernel which will fix this problem.

Thanks for your input and kind regards !

fatcharly

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