aa777888
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EVGA team: where do we stand on this problem in terms of getting new BIOS/UEFI code?
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bcavnaugh
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/27 18:13:36
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Viper97
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/28 04:19:40
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Well this was timely. Just ordered a Kaby Lake for the daughter-in-law's new build. Thanks for the info it will save me a few headaches down the road.
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Cordorb
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/28 07:14:51
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Hum-I think the bug only happens to people that DON'T Fold ;-)
but , only reason I have hyperthreading ON is because I am Folding.
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aa777888
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/28 17:54:31
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bcavnaugh
Welcome to the Forum
Old News Now,
But everything is on HOLD until Intel Writes the Code Needed to give out to companies like EVGA.
Roger that. Sorry for the old news. I thought the new microcode was out for all OS's, but I guess just for Linux at this time.
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quadlatte
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/28 19:32:08
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i seen a few sources saying the updated code was issued in late april as a bios revision and software patch, if true then MS and board makers are lagging behind on getting the update pushed out.
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eldata
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/29 06:13:15
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CPU microcode with fixes has already been released by Intel starting in April. But lots of feet dragging is going on in the deployment area. Excuses range from "we need to test it first" to "it only impacts a small subset of users at this time".
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Cordorb
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/06/30 13:14:43
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Intel has a lot of hooks into our system
do we expect Intel or Microsoft to be offering the driver/firmware updates ?
I see there is a Version: 3.4.6 (Latest) Date: 5/31/2017 for Intel SSD firmware
and Intel has their own update program for other motherboard drivers. ( I have only used the updated onboard video drives so far)
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Cordorb
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/05 19:43:08
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Lavecrep
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/11 13:58:20
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Should HT be turned off while we wait for BIOS updates?
Was planning on upgrading to a z270 stinger with a 7700K. Should I disable until new BIOS?
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cdc-951
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/11 14:58:32
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bcavnaugh
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/11 15:56:48
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Their is nothing for EVGA to Fix with this Intel Problem until Intel Fixes It.
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maniacvvv
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/11 16:34:35
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To be sure the software fix (for a hardware issue) will have to impact performance.... waiting for the the CPU hardware revision for such a deep problem would be best.
Not the first or the last CPU errata (hardware flaw)... but it sure is a nasty one, been like 12 years since the last nightmare level errata was shipped
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quadlatte
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/11 17:34:19
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maniacvvv
To be sure the software fix (for a hardware issue) will have to impact performance.... waiting for the the CPU hardware revision for such a deep problem would be best.
Not the first or the last CPU errata (hardware flaw)... but it sure is a nasty one, been like 12 years since the last nightmare level errata was shipped
uhoh, looks like you need a different host for your sig pics
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maniacvvv
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/12 04:47:13
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quadlatte
maniacvvv
To be sure the software fix (for a hardware issue) will have to impact performance.... waiting for the the CPU hardware revision for such a deep problem would be best.
Not the first or the last CPU errata (hardware flaw)... but it sure is a nasty one, been like 12 years since the last nightmare level errata was shipped
uhoh, looks like you need a different host for your sig pics
Fixed 
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JimBeamBlack
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/14 20:39:11
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lol....
so after all this, for the Kaby Lake, the consensus is turn off HT until resolved??
EVGA Z590 Dark ; i9 11900k ; 32gig Corsair Vengeance DDR4 3600 ; EVGA 3080 FTW Ultra3 ; Creative AE-7 ; Win 11 64bit Pro : EVGA 1200 Plat PSU
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Tuxedo.
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/15 01:13:20
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Yep, i am waiting for a bios update aswell.
I am having weird crashes on my z170 and z270 systems aswell, after i turned hyperthreading off they were running like a solid rock.
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EyeDeeNo
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/07/15 10:10:33
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With the Hyper Threading turned off on i7s puts it on par with an i5s? I read that non of the i5s have hyper threading technology.
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aa777888
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/01 04:06:16
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Any update on this situation?
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Tuxedo.
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/01 10:12:16
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I was speaking with the EU support manager 1,5 weeks ago.
He said that the engineers are aware of the problem and they are already working on it.
According to them they will release the update in early of august.
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aa777888
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/01 10:33:00
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Dandigo
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/01 17:46:47
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I find this amusing...not to say it isn't an issue that needs fixing but for some people to be holding off on upgrades or disabling hyperthreading seems a bit extreme. Running my 7700K rig since mid-june without issue. Is this a valid issue that needs fixing? Yes. Is it a crippling bug that has and/or will affect every Kabylake/Skylake system? No.
Also, it can be fixed through a BIOS update from board manufacturers or, believe it or not, a micro-code update through Windows Update. To my knowledge, it hasn't been implemented in any of the newer Insider Builds and as we all know, the last BIOS for EVGA Z270 boards is from April so its safe to say it hasn't been implemented just yet.
TL;DR: Put the pitchforks down.
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Dandigo
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/08 11:27:59
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Anyone mind taking a quick pic of there CPU info page in the bios?
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EVGA_Lee
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/15 10:50:49
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☄ Helpfulby aa777888 2017/08/15 11:00:52
We have a BIOS now that will resolve this issue. We will upload it later today.
Please note, however, that this issue requires specific processes/applications and/or a substantial load that utilizes both logical cores on a physical processor (overly simplification of the issue); however, a heavy load still won't likely trip the bug either. If you are a gamer, you shouldn't experience this issue while gaming (I'm not aware of any reported issues), so concern over this hyper-threading bug is a little overblown for the everyday user.
If you are experiencing an issue that can be resolved by disabling Hyper-threading, the odds are still very, very low that you are experiencing the HT bug reported in this thread. Most likely, you're dealing with an overclocking issue, voltage issue, or some other stability issue. Please contact our Customer Service team to troubleshoot the issue.
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aa777888
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/15 11:01:38
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Great to hear that, thanks!
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aa777888
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/18 09:21:08
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Up and running fine  Always a bit disconcerting when the BIOS restarts several times on its own the first time while it seeks optimum defaults 
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cjsquirrel
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/19 09:24:21
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aa777888
Up and running fine
Always a bit disconcerting when the BIOS restarts several times on its own the first time while it seeks optimum defaults
I know what you mean! Did the update on my Classified K and my PC power cycled twice. On 3rd time started up and stayed on. Bit of a nail biter! PC been running great on this firmware, no issues.
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JimBeamBlack
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/19 18:42:28
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Question, If I decide to update my BIOS with this update, and I do it from within the BIOS itself (not windows), do I "need" to set my settings to default? Because I have my system purring like a kitten at a nice stable overclock with tweaked out ram.
I wouldn't normally even worry about it as it seems to be very isolated, BUT I have been pushing this computer on all 8 cores for hours with P3Dv4 maxed out, and I just would rather not take any chances.
I have the Classified K with BIOS 103
or should I even worry?
thanks
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cjsquirrel
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/20 00:59:54
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JimBeamBlack
Question, If I decide to update my BIOS with this update, and I do it from within the BIOS itself (not windows), do I "need" to set my settings to default? Because I have my system purring like a kitten at a nice stable overclock with tweaked out ram.
I wouldn't normally even worry about it as it seems to be very isolated, BUT I have been pushing this computer on all 8 cores for hours with P3Dv4 maxed out, and I just would rather not take any chances.
I have the Classified K with BIOS 103
or should I even worry?
thanks
Updating from within the bios I have never defaulted my settings. It is recommended to do so if you use the windows utility though. I prefer updating from within bios I think there would be less chance of something going wrong as opposed to the windows overhead. Never had an issue from not defaulting with the bios USB update. Of course all settings are stock again so take note of your changes first. The save and load bios settings doesn't work when updating to a newer version. Have to redo manually.
post edited by cjsquirrel - 2017/08/20 01:03:23
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JimBeamBlack
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Re: Skylake and Kaby Lake Hyperthreading Bug
2017/08/20 08:10:25
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Yeah I don't like doing things like BIOS updates from within windows, it just doesn't feel safe to me.
Thanks CJ, that's pretty much what I thought. This is my first UEFI board/bios so I wasn't sure if this is something that may have been changed. My next question was going to be can I save the settings then reload them, and you answered that as well.
Time to jot down all my settings, get this over with so I can stop worrying about it.
EVGA Z590 Dark ; i9 11900k ; 32gig Corsair Vengeance DDR4 3600 ; EVGA 3080 FTW Ultra3 ; Creative AE-7 ; Win 11 64bit Pro : EVGA 1200 Plat PSU
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