[asterisk-bugs] [JIRA] Feedback Entered: (ASTERISK-20128) Virtualized asterisk.org 1.8.14.0 no longer runs in a KVM virtualized environment. Compiles without error, but fails with Illegal instruction on launch Regression since 1.8.13.0 Last good 1.8.12.2

[linux ninja1 (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

linux ninja1 updated ASTERISK-20128:
------------------------------------

    Status: Waiting for Feedback  (was: Waiting for Feedback)


CPU flags with forced CPU
fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb lm up rep_good extd_apicid unfair_spinlock pni cx16 popcnt hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw npt


CPU flags with "default KVM CPU" type:
fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx lm up unfair_spinlock pni cx16 popcnt hypervisor lahf_lm svm abm sse4a


The "default KVM CPU" flags are  a subset of the CPU type that is forced.
Every flag of the "default KVM CPU" type is present in the forced CPU type that does not generate the illegal instruction on startup of asterisk

Not sure, as a non-developer what I can do to find the exact illegal instruction at startup.
I might be able to setup a dev system that is ssh accessable over the internet.


> Virtualized asterisk.org 1.8.14.0  no longer runs in a KVM virtualized environment.     Compiles without error,  but fails with Illegal instruction on launch  Regression since 1.8.13.0     Last good 1.8.12.2  
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20128
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20128
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: .Release/Targets
>    Affects Versions: 1.8.13.0, 1.8.14.0
>         Environment: verified on Centos 6.2 and 6.3 - 64 bit
> running in KVM virtualized instances with the following  /proc/cpuinfo 
> processor	: 0
> vendor_id	: AuthenticAMD
> cpu family	: 6
> model		: 2
> model name	: QEMU Virtual CPU version 0.15.1
> stepping	: 3
> cpu MHz		: 1497.505
> cache size	: 512 KB
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 4
> wp		: yes
> flags		: fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx lm up unfair_spinlock pni cx16 popcnt hypervisor lahf_lm svm abm sse4a
> bogomips	: 2995.01
> TLB size	: 1024 4K pages
> clflush size	: 64
> cache_alignment	: 64
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
>            Reporter: linux ninja1
>            Assignee: linux ninja1
>         Attachments: cat-proc-cpuinfo-with-different-settings.txt, console-logfile.txt, KVM-Virt-Manager-defaults.png, KVM-Virt-Manager-forced-CPU.png
>
>
> We are running asterisk 1.8.X instances in virtual machines.
> The asterisk virtual machines are running Centos 6.2 and 6.3.
> Kernel of virtual machines is :  2.6.32-279.1.1.el6.x86_64 #1 SMP Tue Jul 10 13:47:21 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
> KVM Hypervisor / host is a Fedora 16 with the latest kernel :  3.4.4-4.fc16.x86_64 #1 SMP Thu Jul 5 20:01:38 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
> Hardware is HP ProLiant N40L  MicroServer 
> Any asterisk version higher than 1.8.12.2 fails with a "illegal instruction" on launch of asterisk.

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