I've NEVER been so FRUSTRATED... Hot-Swapping PCIe Cards

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  • Published: 07 May 2018
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    This may be the most frustrating project Linus has EVER worked on...

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Comments • 7 008

  • Hargosmos
    Hargosmos  22 hours back

    Linus always innovatin' XD

    • Crass Spektakel
      Crass Spektakel  1 days back

      Wow brings back memories... in the early 2000 I used to hot plug pretty much everything at work, including PCI (there was no PCIE yet), CPUs and RAM (only validated HP/IBM servers with validated parts)


      The basic idea: You have to do EVERYTHING yourself. In case of Linux and an storage controller this means "unmount filesystem" "remove from LVM/RAID/whatever", use sysctl to do an scsi-remove on the kernel for every connected drive, then manually unload the driver, then manually unpower every connected drive, then manually unpowered every card, then remove it from the PCI-Tables. AND ONLY THEN remove the card itself. And I guess I forgot like ten more steps.



      We charged our customers like this: Removing once single device: €50. For an storage controller with five devices this was like $300. If the system crashes we charge nothing and pay $20 per minute of downtime. If the system needs to be rebooted in a controlled way we reduce our charge by 66%. This was no kids play, you can believe me that.



      It never worked reasonable with windows.

      • Crass Spektakel
        Crass Spektakel  1 days back

        And I forgot to mention: The Slots itself must be build to mechanically support hot swapping. Actually not too hard, they simply have slightly higher ground connectors and the Slot is usually 1-2mm higher than normal slots.
        And about our charges, the €50 per device came atop of our normal charge of €40 per 15 Minutes of hand on. All Charges double outside business time. Man the early internet boom was great for ripping of unsuspecting customers, my boss sometimes wrote four digit bills for less than an hour of work done by two fresh and uneducated IT students...

    • SolidSonicTH
      SolidSonicTH  1 days back

      BSOD fun.

      • Benjamin Ehrlich
        Benjamin Ehrlich  2 days back

        Probably would have had so much more success doing this on Linux you already knew that tho

        • The Silent Observer
          The Silent Observer  3 days back

          I tried to hot-swap an AGP graphics card. Worked too, until I shorted it out and destroyed the entire system.

          • Vulcanitu
            Vulcanitu  3 hours back

            I pressed F to pay respects

        • Teamsky Official
          Teamsky Official  3 days back

          Next : how to hot plug ram

          • Jonty Garaya
            Jonty Garaya  5 days back

            Linus literally after 2 seconds : go ahead and cut

            • Lee H.
              Lee H.  6 days back

              I have said the exact same things when looking at BIOS...."I have no idea what any of these settings are for. Sure...that value looks good...lets go with that."

              • Mudkip
                Mudkip  1 weeks back

                Obscure Feature: *exists*
                Linus: video on it

                • Shehzaad joomun Joomun
                  Shehzaad joomun Joomun  1 weeks back

                  Hot swap bryan

                  • G Hariot
                    G Hariot  1 weeks back

                    Hot plug PCI-e just like ExpressCard

                    • Retro Rider
                      Retro Rider  2 weeks back

                      go ahead and cut

                      • Ayoub Er-rfife
                        Ayoub Er-rfife  2 weeks back

                        This is probably one of the rare videos i’ve cried of laughter at

                        • CaveBobSpongeMan
                          CaveBobSpongeMan  2 weeks back

                          ''suprise hot plug'' sounds like something... completely different xD

                          • MarkusTegelane
                            MarkusTegelane  3 weeks back

                            2:49 Desktop icons spell LMG (Linus Media Group)

                            • TheSilentshadows90
                              TheSilentshadows90  3 weeks back

                              8:20 Let's fire up windows server go ahead and cut XD
                              18:10 And that's why Linus is you and me :D

                              • Simon
                                Simon  3 weeks back

                                Go head n' cut

                                • Empire526907
                                  Empire526907  3 weeks back

                                  At the beginning of this video, I got a Last Pass ad narrated by you, Linus... I was slightlt confused...

                                  • Suilujz
                                    Suilujz  3 weeks back

                                    20:47 What if Linus has a secret PC built into the trash can

                                    • pleappleappleap
                                      pleappleappleap  3 weeks back

                                      I wonder how well it works hot plugging a PCIe card in a Thunderbolt 3-to-PCIe cage?

                                      • Mr. Meeseeks
                                        Mr. Meeseeks  3 weeks back

                                        gohedenca

                                        • Frank Jackson
                                          Frank Jackson  3 weeks back

                                          Do a video about hot swapping like cpus and ram just to see what would happen.

                                          • Benifits Ben
                                            Benifits Ben  3 weeks back

                                            I know its off topic but


                                            TRY GETTING PTOJECT M ON A PAL WII WITH NO BUDGET

                                            • bookle
                                              bookle  3 weeks back

                                              go ahead and cut
                                              goaedncut

                                              • rkmugen
                                                rkmugen  3 weeks back

                                                Those yahoos who're behind the designing of the PCI-Express standard should make hot-swapping PCI cards a damned standard......... for consumers..... not just for enterprise.

                                                • Da Channel of Wisdom aka IPSoft Creations

                                                  Whea! Uncorrectable error!

                                                  • Ficovka
                                                    Ficovka  4 weeks back

                                                    I am hotswaping dvd drives, hard drives, WiFi cards

                                                    • Andrei003
                                                      Andrei003  4 weeks back

                                                      20:58 - no cables and anything but.... windows has that Connect function in the Action Center.... EXPOSED

                                                      • Naveen Venkatesh
                                                        Naveen Venkatesh  4 weeks back

                                                        maybe Microsoft didn't make windows ready for hot swapping

                                                        • 稲森愛新
                                                          稲森愛新  4 weeks back

                                                          linus is the biggest nerd on youtube. love him

                                                          • CarlocoxLV
                                                            CarlocoxLV  4 weeks back

                                                            Hahaha lol

                                                            • Roberto Lazcano
                                                              Roberto Lazcano  4 weeks back

                                                              Why would i hot-swap a PCI card???? Why? Why? Why?

                                                              • Mr nice guy
                                                                Mr nice guy  4 weeks back

                                                                ad intel wins,,,,,,,,,,,,,,,,,,,,,,,,shocking?

                                                                • Yo Dude
                                                                  Yo Dude  4 weeks back

                                                                  Ive replaced wifi cards like that just fine

                                                                  • Officer_Potato911
                                                                    Officer_Potato911  1 months back

                                                                    While linus=annoyed do
                                                                    Say "go ahead n' cut"
                                                                    End

                                                                    • Evan Angelillo
                                                                      Evan Angelillo  1 months back

                                                                      what about the future... motherboard hot-swapping

                                                                      • Energie Z
                                                                        Energie Z  1 months back

                                                                        When I did my first hot swap my motherboard was destroyed because 2 pins got shorted

                                                                        • Michael Baron
                                                                          Michael Baron  1 months back

                                                                          If they actually told you to rtFm they can go F themselves.


                                                                          Unbelievable

                                                                          • MrNoNamedIdiot
                                                                            MrNoNamedIdiot  1 months back

                                                                            works in linux ... /sys/bus/pci/devices/0000:*/reset

                                                                            • Deltoren1
                                                                              Deltoren1  1 months back

                                                                              i loved watching linus slowly lose his mind

                                                                              • kjell martin olsen
                                                                                kjell martin olsen  1 months back

                                                                                maybe try a sata swap card.

                                                                                • Anonymous Gamer
                                                                                  Anonymous Gamer  1 months back

                                                                                  Nvidia must be punished!

                                                                                  • Anonymous Gamer
                                                                                    Anonymous Gamer  1 months back

                                                                                    That’s why you always read the manual.

                                                                                    • Dankenstein lol
                                                                                      Dankenstein lol  1 months back

                                                                                      Linus casually blue-screens his test bench for 23 minutes

                                                                                      • Gavin Mitchell
                                                                                        Gavin Mitchell  1 months back

                                                                                        This proves that even the best pc builders need help sometimes.

                                                                                        • TheSentientmeat
                                                                                          TheSentientmeat  1 months back

                                                                                          The real asshole moment is when he says "TLDR, didn't do research, let's just brute force this concept with no prep." JFC

                                                                                          • luca kro
                                                                                            luca kro  1 months back

                                                                                            Who buys a 600€ chair

                                                                                            • Ole Algoritme
                                                                                              Ole Algoritme  1 months back

                                                                                              Why don't you let Anthony try this, under Linux? Let's see it working...