linux resume after suspend

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Linux resume after suspend

In my case, I did not need to install any extra software. Click Apply , and then click the shortcut. Press the key you wish to associate with the shortcut to suspend the system. Why not pause and take a break? Get it? Press the shortcut. The system should go to sleep. Press the power button on the computer to wake it up, and the system should resume with any open windows and progress intact. No matter how many time the shortcut is pressed, the system wakes up immediately via the keyboard shortcut.

The system never suspends. It is as if the same key is also waking up the system at the same time. It turns, that the USB controller is indeed mapping the resume function to the keyboard in some way by default because the system will also wake up by pressing any key on the keyboard.

The image above shows a different system, not the one we are working with. This was to avoid reconfiguring a system that had already been fixed. But the point to note is that some devices are labeled enabled while others are labeled disabled. Enabled status means that device will wake up the system when triggered. Disabled means the device has no effect, and the system will remain in its suspended state.

All S-states in the listing above are S4, which represent hibernation. S3 states are what we what, and they handle the suspend mode. This is the power button. When pressed, it will wake up the system. The system immediately resumes from suspend because one of the enabled devices is triggering the wakeup upon pressing the suspend keyboard shortcut that was intended to turn it off.

This is a USB keyboard, after all. Here is the fixed result on the offending system. All devices are set to disabled except for the power button PWRB , which is kept enabled. In the example listing above, which is from the system we want to fix, all devices are disabled except for the power button an S3 state.

Open it as root for editing in a text editor of your choice. For each disabled device, we must add a line above exit 0 that will disable that device. For example, if OHC1 is disabled, we disable with. Do this for each device, but do not disable the power button obviously. You might have several lines depending upon your hardware. Here is an example of the final edits. Save the changes and reboot. All devices disabled except for the power button. It should work.

Press the suspend keyboard shortcut to suspend the system. The system should suspend and look like it has been turned off no fans, no power lights, no activity, blank monitor. Things might not work out properly depending upon the hardware. The system might resume but the monitor stays blank without any way to turn it back on short of a hardware reset.

The system might not wakeup at all requiring a hardware reset. Anything could happen. If so, there might be other issues involved that are preventing proper resumption. These are beyond the scope of advice offered here and will require investigation.

For the given issue, I have found the solution presented here to be sufficient and reliable for my hardware. Of course, the keyboard no longer resumes the system like before, by that is fine. So I kept using it but then again in about a month it happened again. I updated the kernel again, it went away.

Then today morning it happened again. Something is stopping the system from falling into sleep. So I looked in to syslog and looked for logs around the time the wake up happened to see if there is any error logged there. The only thing that seemed wrong are those Broke affinity for irq X lines. So I started looking around with that line as key phrase. And found a way to fix this. These are the components that have or not to wake your device up from sleep.

I found some reference about what those codes are -.

ABSTRACTS ON RESEARCH PAPERS

QUALITY ASSURANCE MECHANICAL ENGINEER RESUME

Killing the X server will start a new login session and do a full reset of the graphics if it's the graphics that's hung up. You can also try to pull up a terminal with ctrl-alt-fN and then return to the GUI which might bring it back. If it looks like it started to resume and you close the lid again, does the LED go back into suspend? If this is the case, ssh should work when the lid is up and that would be the best way to see what's happening.

This could help narrow down the problem. It generates quite a bit of noise when suspending and resuming. If it fails to boot, wait a few minutes before power cycling so that anything waiting on timeouts might leave a log trace.

There could also be something slowing down the resume by waiting on a timeout, so try waiting 10 minutes or so before giving up on the resume and if it does resume, the logs should point you in the right direction. One of the typical problems is that instead of suspend it attempts to hibernate. In order to hibernate it requires that at least you have as much swap memory available as RAM you have. Can you check what's your configuration with:. When that happens, can you still ping the laptop, or SSH into it from another computer in the same network?.

What is your video card, and have you installed special video drivers?. Technically, the laptop wouldn't even make it into suspend when I closed the lid and would require a hard reboot once the lid was re-opened. My solution was actually very simple - I was still using the default x-org display driver. My old Dell uses an Nvidia video chip - switching to the nVidia video driver and a reboot completely resolved my suspend issue. I had the same problem after I updated my Nvidia drivers to I went back to and everything is fine for now.

Driver I am using right now. For laptops, it won't be a hardware issue if the function lid open and close to resume or suspend works in Windows OS. However, I find the settings in Ubuntu Check the value, if it's -1 or 0, it means the function is disabled. You can change the value to 1 accordingly. My laptop resumed from suspend when the lid is opened after I made changed on files for S3 and S4. Ubuntu Community Ask! Sign up to join this community. The best answers are voted up and rise to the top.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ubuntu Asked 10 months ago. Active 3 months ago. Viewed 3k times. I just did a clean install of Ubuntu Any help is appreciated. Improve this question. Wake is always difficult in linux You should seach in Google if something wrote some about your computer with some suspend, wake, I did that extensively before posting here. Telling me to google a solution is not helpful.

I updated the kernel again, it went away. Then today morning it happened again. Something is stopping the system from falling into sleep. So I looked in to syslog and looked for logs around the time the wake up happened to see if there is any error logged there. The only thing that seemed wrong are those Broke affinity for irq X lines. So I started looking around with that line as key phrase. And found a way to fix this. These are the components that have or not to wake your device up from sleep.

I found some reference about what those codes are -. From the output of the previous command, the enabled ones can wake your device up for any reason.

First I thought it was a kernel issue, so I updated the kernel and that fixed that somehow.

Linux resume after suspend If that happens, hibernation is most likely to work correctly. All work on this website is provided with the understanding that Perl. Do not try to use the filefrag tool, on Btrfs the "physical" offset you get from filefrag is not the real physical offset on disk; there is a virtual disk address space in order to support multiple devices. Can't resume after suspend? This could be because suspend is not supported properly by your hardware. I just did a clean install of Ubuntu Note the the first physical offset returned by this tool.
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Linux resume after suspend Notify me of new posts via email. Press the power button on the computer to wake it up, and the system should resume with any open windows and progress intact. Open the Control Center and choose Keyboard Shortcuts. Active Oldest Votes. Apparently this is a bug where the CPU frequency has been pinned to a very low level. I request the laptop suspend itself when I am done using it. So I kept using it but then again in about a month it happened again.
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Add a comment. Active Oldest Votes. You can use kill to stop the process. Improve this answer. Mark Amery 2, 5 5 gold badges 18 18 silver badges 27 27 bronze badges. Steve Burdine Steve Burdine 5, 6 6 gold badges 23 23 silver badges 20 20 bronze badges. See also: [ stackoverflow. You should use the kill command for that. I wonder what accident of history led to this answer getting fewer votes? The answers are nearly the same and this one came first Wildcard, when I created the answer I was a bit in a hurry, thus, it basically just contained the first part up to kill -TSTP i.

This should explain the difference in votes in comparison with Steve's answer. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Privacy is an afterthought in the software lifecycle.

That needs to change. Why you should build on Kubernetes from day one. Featured on Meta. Deprecating our mobile views. It's a good idea to start it with a number between , per the pm-suspend manpage: "00 - 49 User and most package supplied hooks. If a hook assumes that all of the usual services and userspace infrastructure is still running, it should be here.

Another now deleted answer had this: 'please note the following bug report: launchpad. On Ubuntu Tried the last two comments here on yakkety How to troubleshoot? Show 4 more comments. This also seems to work on Ubuntu It is confusing and misleading. This worked for me on ubuntu Abhishek Singh Abhishek Singh 81 1 1 silver badge 4 4 bronze badges. This worked with kubuntu Using another file other than hdparm in the same directory didn't work.

Works on Debian 10 — john doe Apr 10 '20 at Here is the version I use to restart my VPN daemon after resume:! Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Privacy is an afterthought in the software lifecycle.

That needs to change. Why you should build on Kubernetes from day one. Featured on Meta. Deprecating our mobile views. How long do we support Ubuntu flavors? Community Ads for Linked See more linked questions. Related

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How to pause or suspend a linux job and then resume it

In my case they are john doe Apr 10 '20 at Here is the version I use to restart my VPN daemon after resume: frequency-set -g performance. Works on Debian 10 - 6 6 gold badges 23 23 silver badges 20 20 bronze badges. Notify me of new comments. Why you should build on Sign up using Google. Community Ads for Linked See. Mark Amery 2, 5 5 Kubernetes from day one. How to suspend and resume more linked questions. Sign up or log in your Facebook account. PARAGRAPHLearn more. Post as a guest Name.

This is absolutely an easy! All you have to do is find the PID (Process ID) and using ps or ps aux command, and then pause it, finally resume it. 1. Wake is always difficult in linux · I did that extensively before posting here. Telling me to google a solution is not helpful. · 1. pelore.essaytopicsblog.com › stable › ubuntu-help › pelore.essaytopicsblog.com