[asterisk-bugs] [JIRA] (ASTERISK-26720) Skylake Compatibility

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=234646#comment-234646 ] 

Asterisk Team commented on ASTERISK-26720:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> Skylake Compatibility 
> ----------------------
>
>                 Key: ASTERISK-26720
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26720
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>         Environment: TE820BF and Skylake
>            Reporter: Adam Chandler
>
> From customer:
> "We tried the TE820BF boards in 3 identical servers with X11SSH-LN4F boards ( 
> https://www.supermicro.com/products/motherboard/Xeon/C236_ 
> C232/X11SSH-LN4F.cfm), with latest 2.0 BIOS. All three servers/boards pairs exhibit the same behaviour : poor dahdi_test results, lots of patlooptest errors, no issue when trying with a TE420B instead.
> So I don't believe any current TE820B would fare any better.
> Note that your engineering team might get in touch with Bryan Z. from 
> Supermicro support (support at supermicro.com) who's in turn in touch with 
> their own engineering team regarding this problem. "
> Further investigation seems to show an issue with dahdi_test : root at tchad4:~ dahdi_test 
> Opened pseudo dahdi interface, measuring accuracy... 
> 32.457% 36.981% 14.045% 44.101% 39.238% 35.184% 28.854% 36.959% 
> 60.502% 44.674% 40.474% 34.702% 37.622% 33.670% 34.920% 50.408% 
> 42.547% 21.976% 64.419% 42.443% 42.241% 61.834% 30.443% 63.014% 
> 28.280% 35.743% ^C 
> --- Results after 26 passes --- 
> Best: 64.419% -- Worst: 14.045% -- Average: 39.912695% 
> Cummulative Accuracy (not per pass): 39.913
> When in this setup the customer experiences HDLC aborts and audio distortion. When customer tests the TE820BF cards in much older servers, the issue is not present. 
> My question is can we test this same setup for compatibility issues? Suggestions on where to take this next or what logs we can gather?



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