Questions tagged [hotplug]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
21 views

Displayport Hotplug maintainer fails to allow video output after switching video source using displayport switcher

I have a dual computer setup with 3 monitors. The central monitor is switched between the two systems using a displayport switch. The keyboard and mouse are on a separate USB switch, and the audio is ...
user avatar
  • 13
2 votes
2 answers
5k views

HDMI device detection – should the turning off of one device be recognized as unplugging HDMI cable by the other device?

How exactly should HDMI cable detection work? I am using 2 the same monitors – Dell U2414H (all the same revision – A03) connected to 2 PCs by HDMI. Each monitor is connected by HDMI to a different ...
user avatar
0 votes
1 answer
2k views

Can I plug M.2 into a live machine

TL;DR Is it possible to plug M.2 into a live system without blowing things up? The general consensus seems to be that M.2 is not hotswappable. But I just want to plug it in after boot. Background ...
user avatar
  • 145
4 votes
3 answers
23k views

Hot plug HDMI connection doesn't work on Ubuntu

I am using elementaryOS Loki (OS based on Ubuntu) on Dell Inspiron 15 Gaming 7566. Althought HDMI connection is working for both my screen and TV, it works only when I reboot the computer with HDMI ...
user avatar
0 votes
1 answer
27 views

hdd goes to sleep only when in hotplug

i have absolutely quiet computer while in idle mode. Only 1 thing is making noise - that is hdd that I use very rarely, so it always keeps spinning though I'm not using it. In fact I have a case with ...
user avatar
3 votes
1 answer
721 views

CPU cores remain offline after hotplug

When my UPS triggers an "on-battery" event, I want all cores to switch off to conserve power. The PC has 8 cores on two chips, UPS batteries need replacement every 3 months because of high current ...
user avatar
  • 221
1 vote
0 answers
484 views

Linux cpu hotplug not working as expected

I'm testing linux cpu hotpluging on normal desktop 8-core AMD machine. Problem seems that after onlining a CPU again taskset and kernel refuses to move and/or schedule any tasks on the core. E.g. ...
user avatar
  • 111
2 votes
0 answers
633 views

Does a laptop have any hot swap risk when using a docking station?

Certain computer ports (such as PS/2, serial, parallel, VGA) are not hot swappable and there is a risk (maybe a low risk, but still a risk nonetheless) of damage if you disconnect a device from one of ...
user avatar
  • 1,759
5 votes
5 answers
16k views

Thunderbolt hotplugging in Ubuntu Linux

I have a Dell Precision M3800 and an OWC Thunderbolt 2 Dock.  They both work together beautifully and everything seems to just work.  I haven't tried the FireWire yet, but the Ethernet, USB3, ...
user avatar
  • 238
3 votes
1 answer
23k views

What does “SATA ESP” (“Set SATA PORT1 to External SATA Port”) do?

I am looking in my Asus motherboard's EFI setup screen for an option to enable SATA hotplug. I couldn't find such an option, but I did find a set of per-port options labeled “SATA ESP on PORT1” ...
user avatar
  • 551
1 vote
0 answers
385 views

What state is support for PCI-Express hotplug in?

When I first started reading about PCI-Express a decade ago I was excited about the possibility of hotplug support, but when I got my first motherboards with PCI-Express and tried it out, the system ...
user avatar
  • 1,153
9 votes
1 answer
7k views

System doesn't detect hot-plugged display port(through thunderbolt connector)

My external display(connected to my laptop through thunderbolt) works fine if connected before boot-up. However, once it's unplugged or disconnected by any means, xrandr won't detect the reconnected ...
user avatar
  • 526
0 votes
1 answer
2k views

how to enable pci hotplug support in ubuntu 13.04

Kindly help. I have a pci-based wifi adapter which is not getting detected when i plugged it into the laptop. OS: Ubuntu 13.04 Kernel version: 3.8.0-19-generic
user avatar
4 votes
2 answers
15k views

SATA hot plug has no effect in Windows

I have one hard drive inserted into a mobile rack. The hard drive is connected to the SATA port, which is configured with Hot Plug ON. However, I cannot see any way to flush buffers of this drive or ...
user avatar
  • 11.3k
3 votes
1 answer
1k views

Windows get moved to the primary monitor after waking from standby with mixed DisplayPort and DVI-D dual-monitor setup

Problem Description I am using the following setup: nVidia GeForce GTX 680 Dell UP3214Q (Ultra-HD, 3840x2160, run in its native resolution, connected via DisplayPort 1.2, i.e. DisplayPort on GTX --> ...
user avatar
  • 236
3 votes
1 answer
1k views

How udev sends input device change notification to Xorg?

I want to troubleshoot why the graphic tables is active only if it is connected when Xorg is started (and stops working with spamming of Xorg.0.log if I reconnect it). As far as I know, udev-based ...
user avatar
  • 16k
1 vote
1 answer
285 views

Can I turn off external SCSI tape drive?

I have a couple of external tape drives connected to a server (Ultra320 SCSI). I do not use them frequently, but they are on all the time collecting dust (because of the fans). If I turned them off (...
user avatar
4 votes
2 answers
5k views

Is it safe to add or remove any type of device while in sleep mode?

Is it safe to add (plug in) or remove (unplug) any device while Windows is in sleep (a.k.a. standby, a.k.a. suspend) mode? What type of devices can be added or removed in this manner? Can you do this ...
user avatar
  • 19.9k
2 votes
1 answer
2k views

Why does vga and dvi have screws when most other connectors do not?

I know that a question like this exists, but the answer is not what I was looking for. Do vga/dvi have screws because they are not hotpluggable? Why would they not be hotpluggable (surge issues?) ...
user avatar
  • 7,718
0 votes
0 answers
103 views

Why should computer and TV be turned off before plugging in an HDMI cable? [duplicate]

Possible Duplicate: Is HDMI hot pluggable? I just bought an Amazon HDMI+Ethernet cable. Enclosed was the following friendly node on yellow paper in various languages: So far, I assumed that HDMI ...
user avatar
  • 3,557
3 votes
3 answers
6k views

Is it possible to have DisplayLink USB display hotplugging with Xorg 1.13 on kernel 3.4?

keithp seems to be the only one on the interwebs to have written anything about the subject and he worked with 3.5_rc. I don't want to go above 3.4 at the moment for various stability reasons and am ...
user avatar
  • 1,199
8 votes
3 answers
9k views

How to mount removable media in /media/<LABEL> automatically when inserted, without any desktop environment?

I have a Debian sid system (Wheezy) (and same question for arch as well), without any desktop environment (and no Xorg at all). I can mount my SD-cards, USB sticks, external HDD manually with mount / ...
user avatar
  • 291
10 votes
1 answer
3k views

Is it possible to power off a PCIe video card/slot? (eg. hot-plug)

I'm looking at building a system that supports VT-d so I can pass through a high powered loud video card to a Xen/KVM/whatever VM (host will be Linux based). However, when I'm not using the VM I want ...
user avatar
  • 269
10 votes
1 answer
8k views

Linux: CPU core shutdown instead of sleep state

In Linux you can shut down CPU cores (or physical CPU's) with echo 0 > /sys/devices/system/cpu/cpu1/online Assuming that the hardware fully turn off the CPU and cuts power to it would it not be better ...
user avatar
  • 1,182
14 votes
4 answers
24k views

How to configure `eth0` to retry `dhclient` when unplugged and replugged?

I'm working on a linux gadget. I want it to get DHCP if I plug in the network cable after it has booted up already or if the network cable unplugged and replugged. One solution is to run a script ...
user avatar
  • 833
2 votes
1 answer
119 views

Configuring automatic profiles on dock/hotplug

My Ubuntu laptop gets docked into a few different locations per day with different hardware and use cases. I'd like to automate the preference settings for each of these locations: Work computer, ...
user avatar
  • 21
7 votes
2 answers
6k views

Trigger off rsync by just plugging in a USB drive?

I'd like to know if it's possible to automatically mount, and fire up rsync to sync a USB drive with a directory? Specifically, I'd like to copy as much data as the drive can hold and only delete the ...
user avatar
10 votes
2 answers
12k views

Is it safe to hot-plug a DVI cable?

Is it safe to unplug a monitor connected via a DVI cable to a computer that's powered on?
user avatar
  • 2,702
26 votes
4 answers
251k views

Can I connect and disconnect a SATA harddrive while my computer is running?

I have a SATA hard drive that says it supports hot-plugging. Does that mean I can actually connect it to power and a SATA plug while my computer is running? Would be handy, but seems kind of scary... ...
user avatar
  • 35.8k
2 votes
4 answers
10k views

Alsa USB-Audio hotplug

My new USB audio speaker appeared as the second device in Alsa. I managed to make it the primary one: $ cat /proc/asound/modules 0 snd_usb_audio 1 snd_hda_intel $ cat /proc/asound/cards 0 [...
user avatar
  • 3,031