Intel Says Meltdown, Spectre Patches Can Cause Reboot Problems in Old Chips

Image SHUTTERSTOCK  MARKUSENES

The first and third Variants, which belong to Spectre and Meltdown respectively, were patched way back in September with no resulting performance loss and even no downtime as Google applied the fix. However, the Spectre and Meltdown flaws break down this wall, allowing one app to read another's private memory, potentially exposing sensitive information. While Microsoft has distributed Windows patches for the majority of AMD systems, the company acknowledged issues with those patches. It's worth noting that only select devices with AMD chips are getting this months' security update for now, and the update will not cause boot issues. The hardware fix was to outright disable some forms of speculative execution in the CPU, rather than just nullify them in the situations that matter, which is what the fix for Meltdown does.

It was able to do this "without any performance degradation" or slowdown in services like Gmail, it adds. You don't get much clearer than that. Google's initial investigations suggested the only way to mitigate Spectre Variant 2 was to disable the CPU performance-optimizing features it targeted. To fix it, the company created Retpoline, a software-only solution that regular users unfortunately can't benefit from.

As Google describes this, "With Retpoline, we could protect our infrastructure at compile-time, with no source-code modifications. Furthermore, testing this feature, particularly when combined with optimisations such as software branch prediction hints, demonstrated that this protection came with nearly no performance loss".

Eventually, Google took a "moonshot" approach to solving the problem and turned up with Retpoline, a solution that "modifies programs to ensure that execution can not be influenced by an attacker".

Girl Scout cookies go on sale February 2
While stocking up on Thin Mints , customers can now choose to donate boxes of cookies to give to the military. Starting on January 12, Girl Scouts in Louisiana will begin selling Girl Scout cookies.

Manager: Khabib Nurmagomedov Won't be Fighting For Any "Fake Belt"
" - Abdulmanap Nurmagomedov, Khabib Nurmagomedov's father, speaking to RT Sport ". We appreciate everything the UFC has done for us, but it's time for a real belt.

Shambolic Cabinet reshuffle sees Chris Grayling made Tory chairman for 37 seconds
The Northern Ireland secretary, James Brokenshire , has resigned because he needs surgery for a lesion on his right lung. The post ended up going to 46-year old Brandon Lewis who was the first to arrive at Downing Street to meet May.

Intel said the older the user's processor is, the bigger the performance hit. The tests were run on Windows 7 and Windows 10, and the performance issues depended on which chip and which type of job you were running.

Then Google made a decision to attempt a "moonshot" solution, trying to find a way to solve the problems presented by Variant 2 without patching hardware.

Researchers with Google's Project Zero, in conjunction with academic and industry researchers from several countries, first reported the flaws publicly on January 3, but major tech firms have said they knew about the flaws months ago.

Related News:

  • ECB Minutes Suggest Policy Communication Script May Be Revised Soon

    ECB Minutes Suggest Policy Communication Script May Be Revised Soon

    In the US , the Labor Department reported that weekly jobless claims rose by 11,000 to 261,000 new claims, a three-month high . Talk of an end to QE has raised speculation that the European Central Bank could follow up with a rate hike late in 2018.
    China's trade growth cools in December

    China's trade growth cools in December

    That compares with a 3.7% on-year decline recorded in 2016, data from the General Administration of Customs showed. As a result, the trade surplus rose to $54.69 billion in December, while it was forecast to fall to $37.4 billion.
    Celebrity Big Brother 2018 results! Who left? First celebrity is evicted!

    Celebrity Big Brother 2018 results! Who left? First celebrity is evicted!

    Clearly happy to give some insight, the divisive star, who is up for eviction on Friday, revealed: 'Number three maximum'. Looking shocked, India commented: "Where did that come from". "Me", replied Amanda. "That's all".
  • Korea, US Discuss Coordination over Inter-Korean Relations

    Korea, US Discuss Coordination over Inter-Korean Relations

    China and Russian Federation , which both oppose the proposal for maritime interdiction , have not been invited to the summit. One of the options to be discussed, he said, would be naval interdiction to stop North Korean smuggling.
    Sainz takes first Dakar stage win

    Sainz takes first Dakar stage win

    The other Indian left in the rally, Hero MotoSports' CS Santosh, climbed up five places to be placed 51st after the fifth stage. With consistent progress, Sherco TVS rider Joan Pedrero said, "I am very happy to be back on track in Bolivian territory".
    Panthers LB Thomas Davis to play one more season

    Panthers LB Thomas Davis to play one more season

    A first-round pick out of Georgia in 2005, Davis has spent his whole career in Carolina. He told NFL.com that he was looking forward to spending more time with his children.
  • Donald Trump Thinks America Sent Norway Call of Duty Fighter Jets

    Donald Trump Thinks America Sent Norway Call of Duty Fighter Jets

    There was one small problem with President Donald Trump's boast about selling a bunch of F-52 fighter jets to Norway . Her staff helped conduct the interview with Mr Simpson, who had also asked for the interview to be released.
    'John Wick' TV Series Adaptation in the Works

    'John Wick' TV Series Adaptation in the Works

    And as one last, friendly reminder, John Wick: Chapter Three comes to theaters on May 17, 2019. At the same time, the network has also announced three original series premiering this year.
    CBFC chief shoots down report of 300 cuts in Padmavat

    CBFC chief shoots down report of 300 cuts in Padmavat

    The Viacom spokesperson also said that an official announcement will be made very soon on the new release date of the film. The controversy around the film Padmavat doesn't seem to be ending despite the Censor Board clearance to the film.
  • Father of 3-year-old Indian girl charged with murder

    Father of 3-year-old Indian girl charged with murder

    A grand jury in Dallas County, Texas, on Friday returned several charges, most notably capital murder, against Wesley Mathews . Wesley initially told Richardson police he put Sherin outside in an alley because she wouldn't drink her milk.
    IndusInd Bank's Q3 net profit up nearly  25%

    IndusInd Bank's Q3 net profit up nearly 25%

    The floating provision has been considered while computing the net NPAs and provision coverage ratio (PCR). Provisions for the quarter rose by 9 per cent yoy and declined 19 per cent qoq to Rs. 236 crore in Q3FY18.
    Nadal, Federer seeded 1st and 2nd for Australian Open

    Nadal, Federer seeded 1st and 2nd for Australian Open

    A rematch of last year's Australian Open semifinal with 2017's strongest finisher, Grigor Dimitrov , is on the cards. Sixth-seeded Marin Cilic could be Nadal's quarter-final foe or Spanish No. 10 seed Pablo Carreno Busta .


Most liked

Trump expresses 'openness to holding talks' with North Korea
Some two months later, Tillerson indicated that the US was ready to speak with North Korea at any time and without preconditions. Moon's words came a day after both Koreas held their first meeting in two years, Efe news reported .

Is Kylie Jenner In Labor?
One source very close to the KarJenners tells The Blast the rumors are "not true". She's worked hard enough to do whatever she wants'.

Latest Trump administration executive order targets veteran mental health
Results of past presidential physicals have included basic data like weight, blood pressure and cholesterol levels. Bush administration selected him to be a White House physician under Air Force Brigadier General Richard Tubb.

Senator Tim Scott reacts to Trump 's***hole' controversy
Trump has been calling for merit-based immigration, of which people from countries like India could be a major beneficiary. Remember the time he said everyone in Haiti has AIDS ? However, we can not sacrifice one group of immigrants for another.

American Crime Story season 2: Versace family issue second statement condemning series
Written by author Maureen Orth , book is called Vulgar Favors: Andrew Cunanan, Gianni Versace , and the Largest Failed Manhunt in U.S.

Nintendo got to show off Dark Souls: Remastered first for a reason
The story mode will have players traveling across the Mushroom Kingdom participating in matches, minigames, and boss battles. And given both how much it already costs and how limited the entire set will be, you're probably going to have to act fast.

Almost 2000 Palestinians Clash With Israeli Forces in Gaza, West Bank
Two Palestinian teenagers were shot and killed by Israeli soldiers on Thursday as violence continues in the occupied territories. Ankara has strongly condemned the Israeli announcement about the construction of more than 1,100 homes in West Bank settlements.

Protests urged for Trump Atlanta visit
April 28, 2017 archive photograph, President Donald Trump gives a speech in the city of Atlanta , Georgia. Trump and supporters say that kneeling during the anthem is a sign of disrespect.

France's Lactalis forced into new recall in baby milk scare
But even after that, the products were still available at supermarkets and other retailers in the country. Lactalis rejected criticism of its response, saying it had collaborated closely with the authorities.

Pornographic malware found in Android apps for kids
Then there were some ads that tried to trick the user into giving up their phone number by telling them that they had won a prize. According to Play Store statistics, collectively the 60 apps have been downloaded between 3 and 7 million times.

Trump lawyer arranged porn star payment for her silence in October 2016
Trump's longtime attorney Michael Cohen arranged for the payment through Clifford's lawyer, Keith Davidson, the Journal reported . In response to the Journal , Cohen isn't denying the payments, but he said it's not tied to an affair.

Chelsea vs Leicester City 13 January 2018: EPL Preview and Predictions
Whilst Antonio Conte's men have not managed to notch their first victory of 2018 yet, the champions have been in exemplary form. Islam Slimani worked well in a mostly full strength Leicester side last time out, scoring two goals against Huddersfield Town.

Freezing temperatures and snow predicted for Middle Tennessee on Friday
In the past couple of weeks, we've had snow , strong winds and record-setting below zero temperatures. Southwest wind 3 to 6 miles per hour . "Homestake pass and Boulder Hill could see 3" - 6" of snow.

Judge: DACA can't end with lawsuit pending
He continued. "We'll do DACA, and then we can certainly start comprehensive immigration reform the following afternoon". So that's easier for the other side to accept", Flake said.

Blue Jays, Josh Donaldson avoid arbitration, sign 1-year, $23-million deal
He will be eligible for free agency after the 2018 season. - With files from Joshua Clipperton in Burnaby, B.C. ET deadline for exchanging proposed salaries.