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How does the Skylake fix work?

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Mr Macaw
Guest

Wed Jan 13, 2016 7:03 pm   



Just out of interest, how does a hardware bug in a CPU get fixed by a software BIOS update? Isn't the bug a physical misconnection in the circuits?

--
I go fishing; I catch nothing. I go to orgies; I catch everything.

Trent
Guest

Wed Jan 13, 2016 8:01 pm   



On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

>Just out of interest, how does a hardware bug in a CPU get fixed by a software BIOS update? Isn't the bug a physical misconnection in the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

Mr Macaw
Guest

Wed Jan 13, 2016 8:05 pm   



On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof> wrote:

Quote:
On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by a software BIOS update? Isn't the bug a physical misconnection in the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode


So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included with motherboard BIOS updates?

--
A blonde is walking down a creek. While she's looking around she notices Judi walking along the other side of the creek. She yells to the other blonde. "Hey, how do I get to the other side?"
Judi replies, "You are on the other side!"

The Brain
Guest

Thu Jan 14, 2016 2:57 am   



Mr Macaw wrote:
Quote:
On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof
wrote:
On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by
a software BIOS update? Isn't the bug a physical misconnection in
the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?


Just add it to the long list of other things that you have never heard of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.

Trent
Guest

Thu Jan 14, 2016 6:37 pm   



On Wed, 13 Jan 2016 13:05:47 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6hbxoa86ebyl_at_red.lan>:

Quote:
On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by a software BIOS update? Isn't the bug a physical misconnection in the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included with motherboard BIOS updates?


Yes, the manufacturer of the MB releases a BIOS update to correct the
issue. For this particular errata, Intel has given the MB manufacturers
the information needed to do this.

Mr Macaw
Guest

Thu Jan 14, 2016 9:29 pm   



On Thu, 14 Jan 2016 11:37:56 -0000, Trent <none_at_dev.null.pissof> wrote:

Quote:
On Wed, 13 Jan 2016 13:05:47 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6hbxoa86ebyl_at_red.lan>:

On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by a software BIOS update? Isn't the bug a physical misconnection in the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included with motherboard BIOS updates?

Yes, the manufacturer of the MB releases a BIOS update to correct the
issue. For this particular errata, Intel has given the MB manufacturers
the information needed to do this.


I've read in MB BIOS update instructions that it fixes X to do with the CPU, but I always assumed that was a motherboard fault where it didn't work with new types of CPU etc.

--
An optimist thinks this is the best possible world.
A pessimist fears this is true.

Colonel Edmund J. Burke
Guest

Fri Jan 15, 2016 12:51 am   



On 1/13/2016 11:57 AM, The Brain wrote:
Quote:
Mr Macaw wrote:
On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof
wrote:
On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by
a software BIOS update? Isn't the bug a physical misconnection in
the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?


Just add it to the long list of other things that you have never heard of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.


It's probably a cock-a-roach, knowing how you live like a porcine swine!


Ian Field
Guest

Tue Jan 19, 2016 4:30 am   



"The Brain" <the brain_at_thebrain.com> wrote in message
news:n76a8g$gqo$1_at_news.albasani.net...
Quote:
Mr Macaw wrote:
On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof
wrote:
On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by
a software BIOS update? Isn't the bug a physical misconnection in
the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?


Just add it to the long list of other things that you have never heard of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.


He was never quite the same after being abducted by zombies.

Mr Macaw
Guest

Tue Jan 19, 2016 4:33 am   



On Mon, 18 Jan 2016 21:30:08 -0000, Ian Field <gangprobing.alien_at_ntlworld.com> wrote:

Quote:


"The Brain" <the brain_at_thebrain.com> wrote in message
news:n76a8g$gqo$1_at_news.albasani.net...
Mr Macaw wrote:
On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof
wrote:
On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by
a software BIOS update? Isn't the bug a physical misconnection in
the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?


Just add it to the long list of other things that you have never heard of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.

He was never quite the same after being abducted by zombies.


Says the guy with "gang probing" in his email address.

--
A weekend wasted is not a wasted weekend.

Ian Field
Guest

Tue Jan 19, 2016 4:41 am   



"Mr Macaw" <no_at_spam.com> wrote in message news:op.ybgd5mk486ebyl_at_red.lan...
Quote:
On Mon, 18 Jan 2016 21:30:08 -0000, Ian Field
gangprobing.alien_at_ntlworld.com> wrote:



"The Brain" <the brain_at_thebrain.com> wrote in message
news:n76a8g$gqo$1_at_news.albasani.net...
Mr Macaw wrote:
On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof
wrote:
On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by
a software BIOS update? Isn't the bug a physical misconnection in
the circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?


Just add it to the long list of other things that you have never heard
of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.

He was never quite the same after being abducted by zombies.

Says the guy with "gang probing" in his email address.


I threw you back.

The Peeler
Guest

Tue Jan 19, 2016 4:54 am   



On Mon, 18 Jan 2016 21:33:12 -0000, Dumb Guy wrote:

Quote:

Just add it to the long list of other things that you have never heard of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.

He was never quite the same after being abducted by zombies.

Says the guy with "gang probing" in his email address.


People just don't seem to like you, eh, Phucker? But you don't mind! Another
sign of you being a true sociopath! <BG>

--
Dumb Guy goes:
"Cycle lanes are a stupid (and in this case dangerous) idea, and many
cyclists think so."
MID: <op.ybgbkty386ebyl_at_red.lan>

Ian Field
Guest

Tue Jan 19, 2016 5:07 am   



"The Peeler" <finishingoff_at_TheRevd.invalid> wrote in message
news:569d5f22$0$53669$b1db1813$ca8b28d9_at_news.astraweb.com...
Quote:
On Mon, 18 Jan 2016 21:33:12 -0000, Dumb Guy wrote:


Just add it to the long list of other things that you have never heard
of,
PHucker.
Such as getting a job, meeting a woman.
You are A wanker.

He was never quite the same after being abducted by zombies.

Says the guy with "gang probing" in his email address.

People just don't seem to like you, eh, Phucker? But you don't mind!
Another
sign of you being a true sociopath! <BG


The zombie that ate his brain died of malnutrition.

Ian Field
Guest

Thu Jan 21, 2016 4:55 am   



"Mr Macaw" <no_at_spam.com> wrote in message news:op.ya8fvjcf86ebyl_at_red.lan...
Quote:
On Thu, 14 Jan 2016 11:37:56 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 13:05:47 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6hbxoa86ebyl_at_red.lan>:

On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by a
software BIOS update? Isn't the bug a physical misconnection in the
circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?

Yes, the manufacturer of the MB releases a BIOS update to correct the
issue. For this particular errata, Intel has given the MB manufacturers
the information needed to do this.

I've read in MB BIOS update instructions that it fixes X to do with the
CPU, but I always assumed that was a motherboard fault where it didn't
work with new types of CPU etc.


Is that another one you broke on purpose?

Mr Macaw
Guest

Thu Jan 21, 2016 5:20 am   



On Wed, 20 Jan 2016 21:55:50 -0000, Ian Field <gangprobing.alien_at_ntlworld.com> wrote:

Quote:


"Mr Macaw" <no_at_spam.com> wrote in message news:op.ya8fvjcf86ebyl_at_red.lan...
On Thu, 14 Jan 2016 11:37:56 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 13:05:47 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6hbxoa86ebyl_at_red.lan>:

On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by a
software BIOS update? Isn't the bug a physical misconnection in the
circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?

Yes, the manufacturer of the MB releases a BIOS update to correct the
issue. For this particular errata, Intel has given the MB manufacturers
the information needed to do this.

I've read in MB BIOS update instructions that it fixes X to do with the
CPU, but I always assumed that was a motherboard fault where it didn't
work with new types of CPU etc.

Is that another one you broke on purpose?


I don't have a Skylake. My i5 3570K is working fine. Skylake is only a third faster, no point in upgrading.

--
Please keep your hands off the secretary's reproducing equipment.

Ian Field
Guest

Fri Jan 22, 2016 1:33 am   



"Mr Macaw" <no_at_spam.com> wrote in message news:op.ybj5oyrk86ebyl_at_red.lan...
Quote:
On Wed, 20 Jan 2016 21:55:50 -0000, Ian Field
gangprobing.alien_at_ntlworld.com> wrote:



"Mr Macaw" <no_at_spam.com> wrote in message
news:op.ya8fvjcf86ebyl_at_red.lan...
On Thu, 14 Jan 2016 11:37:56 -0000, Trent <none_at_dev.null.pissof> wrote:

On Wed, 13 Jan 2016 13:05:47 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6hbxoa86ebyl_at_red.lan>:

On Wed, 13 Jan 2016 13:01:40 -0000, Trent <none_at_dev.null.pissof
wrote:

On Wed, 13 Jan 2016 12:03:30 -0000 "Mr Macaw" <no_at_spam.com> wrote in
Message id: <op.ya6ef4kx86ebyl_at_red.lan>:

Just out of interest, how does a hardware bug in a CPU get fixed by
a
software BIOS update? Isn't the bug a physical misconnection in the
circuits?

Microcode updates.
https://wiki.archlinux.org/index.php/microcode

So the bug was in the firmware of the CPU, not the physical circuitry?

I've never heard of or done a CPU firmware update. Are they included
with motherboard BIOS updates?

Yes, the manufacturer of the MB releases a BIOS update to correct the
issue. For this particular errata, Intel has given the MB manufacturers
the information needed to do this.

I've read in MB BIOS update instructions that it fixes X to do with the
CPU, but I always assumed that was a motherboard fault where it didn't
work with new types of CPU etc.

Is that another one you broke on purpose?

I don't have a Skylake. My i5 3570K is working fine. Skylake is only a
third faster, no point in upgrading.


So its just advance planning how to break it when you do get one.

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