Re: Meltdown and Spectre - Additional PTFs released

Rumors are that servers which are not running at 90%-100% CPU utilisation won't feel any performance impact, after the firmware/PTF's are applied.

So far no performance impact noticed across POWER7+ with the latest firmware and PTF's applied for Spectre/Meltdown. The servers are nowhere near 100% utilisation though.

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________________________________
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxx> on behalf of Justin Taylor <JUSTIN@xxxxxxxxxxxxx>
Sent: Wednesday, January 31, 2018 1:54:46 PM
To: Midrange Systems Technical Discussion
Subject: RE: Meltdown and Spectre - Additional PTFs released

I concur regarding older hardware.



-----Original Message-----
From: B. Dietz [mailto:bdietz400@xxxxxxxxx]
Sent: Tuesday, January 30, 2018 9:33 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Meltdown and Spectre - Additional PTFs released

for what are power7+ I found:

Systems 8412-EAD; 9117-MMD; and 9179-MHD ONLY
AM780_094_040 / FW780.81

which mentions the CVE for the meltdown and spectre issues.

I recall reading that IBM will be releasing FW patches for older hardware “later”

Bryan



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