Questions tagged [hang]

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macOS hangs on reboot

Recently, my macOS hangs during the reboot process. The screen shows the background and it does not reboot until the system watchdog reboots the computer. What are the ways that I can debug this? I ...
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26 views

awk command stops the command from completing and returning exit code

I'm on SunOS 5.11 11.1 sun4v sparc sun4v I wish to grab capture the result (success or failed) $? of a command. The below works fine. ps auxww | grep httpd; echo $? Output: 1 But when i add the awk ...
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11 views

GPG hangs on signing documents

I'm new to GPG and have been very frustrated that my GPG always hang when asked to sign documents. And I can't figure out why nor how to fix it. I've followed the tutorial by MakeTechEasier to ...
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1answer
29 views

How to forcefully close a ssh connection is the command on the target server never returns

I have an automation tool that generates and executes the below command that fires rpm -qa grep httpd on the target host 10.9.100.67. ssh -vvv -o StrictHostKeyChecking=no -o 'IdentityFile="/app/...
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1answer
35 views

script hangs due to `exec` on AiX servers with ksh shell

Below script runs fine on all Servers in my infrastructure. However, I recently discovered that it fails to complete execution and simply hangs on Aix servers with ksh shell. cat myscript.sh export ...
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2answers
59 views

Linux almost stock 4.19.133 suspend fails, works fine with Devuan's 4.19.0-9 kernel

I have a long habit of building my own kernels (from time to time), using the stock sources with just the ConKolivas patches, -O3 instead of -O2 optimisation where I can set it, and targetting the ...
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1answer
14 views

Raspberry Pi 4B Not rebooting with NFS share

I have my Pi running as both a DNS server using PiHole and twice a day collecting my saved PVR from iPlayer via a VPN. If there's anything downloaded then that's copied to a NFS share on my Synology ...
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19 views

Wayland / Sway periodic freezes

I recently installed and started using Wayland / Sway on Arch and I notice that about once a day my whole system freezes for about 10-15 seconds, then it resumes back to normal. Is there some log I ...
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61 views

kernel messages about failed to assign mem

we have 5 Linux rhel machines , we noticed that all machines was hang with the same time from messages file we can se the following Dec 29 19:54:25 localhost kernel: pci 0000:ff:12.4: BAR 4: failed ...
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366 views

X64 Exception Type - 0D(#GP - General Protection)

Sometiems, I see this kind of error log: https://bugzilla.redhat.com/show_bug.cgi?id=1641402 !!!! X64 Exception Type - 0D(#GP - General Protection) CPU Apic ID - 00000000 !!!! ExceptionData - ...
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26 views

hanging virtualization, Is it the guest VM, host linux or the hypervizor?

I use virtualbox on a Ubuntu 18.04 Host system to run virtualized systems (windows, linux and some bsd), among those systems there some server system and some as GUI/desktop. Since yesterday I ...
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1answer
79 views

All command hang with the corrupted file

I have a directory /data/192.168.0.2/mms/4790027 which have a corrupted zip file (not sure it is corrupted?). Everytime i type any command with this file will hang and cannot cancel with Ctrl+c OR ...
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1answer
59 views

Lenovo X220 powers off when suspended to ram

I own a Lenovo X220 (since 2011) and never had serious problems with it. The suspend-to-ram feature worked almost its whole life (it was a Linux machine the whole time, but the disto changed from time ...
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1answer
38 views

There is a high priority keys combination for the opening terminal in Linux if UI is hanging on?

Several times I've run into with the problem of Ubuntu hanging when a memory leak happens in some application process (Chrome/Sublime/etc.). As a result, the keyboard and mouse stop reacting. I even ...
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347 views

Fedora causes Thinkpad X1 Carbon Gen 7 to hang on reboot after “Restart and Upgrade”

I recently installed Fedora 30 on my Thinkpad X1 Carbon Gen 7. The installation went fine. On the first boot I went to the software center to check for updates. There were quite a few software and OS ...
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1answer
70 views

Can be ping-ed but failed to SSH (Might be server hangs)

We have a server that can be ping-ed but failed to SSH. Here's the verbose of ssh [user@/etc]$ssh -v user@111.111.111.111 OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013 debug1: Reading configuration ...
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57 views

Kali linux having graphic drivers problems

I am using Kali linux . My Computer machine has two graphics cards Intel Corporation HD Graphics 5500 and Radeon HD 8670A/ R5 M330. Intel 5500 is acting as VGA compatible Controller and AMD Radeon ...
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100 views

Workstation freezes when using gnome, but ok when working on terminal

Few days ago my workstation, Fedora Linux 29, experienced an hard reboot due to a power failure. Now I am experiencing random "freezes" when using Gnome. So, I can log-in correctly and start working ...
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2answers
1k views

Virtual server stops responding and uses 100% CPU, how to diagnose?

We are facing weird issue with a CentOS 7.4 virtual server (VMware ESXi), the server suddenly gets 100% usage in few seconds resulting in ssh won't work and a specific program running is not ...
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1answer
169 views

Debian Stretch VM becomes quasi-unresponsive every few days

The impacted computer is a VM running in vSphere, and it's a production server, so troubleshooting time is generally nonexistent once the issue rears its ugly head. The problem goes away after a ...
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2answers
1k views

Systemd hangs when attempting shutdown

Distro: Gentoo systemd: 242 For a while, on both of the systems I have here, I've been unable to do a proper shutdown (halt, poweroff, reboot). It gets most of the way through shutting down services ...
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1answer
33 views

How to track down reason of suddenly appearing non-termination of a programme, while with `strace` it terminates?

I have a programme that suddenly started to not terminate (I was not updating the programme, but my system & the kernel, I do not remember what was causing the effect. Recompiling the programme ...
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8answers
69k views

Ubuntu 18.04 is freezing randomly

I have installed Ubuntu 18.04 on my laptop Dell Inspiron 5000 (AMD Ryzen 5 2500U/8 GB RAM/1 TB HDD/Windows 10/39.62 cm (15.6 Inch) FHD/Vega 8 Graphics) Inspiron 5575 The os is freezing randomly even ...
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2k views

kernel: igb exceed max 2 second (system is unresponsive)

I have a system that is becoming unresponsive for anywhere from a few seconds to a couple minutes. The only messages I see in the logs are like this: Sep 16 18:07:33 server kernel: igb 0000:01:00.3: ...
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1answer
2k views

dd hanging & uninterruptible sleep (kernel quirk?)

So, this has been annoying me for years. This happens with more programs than just dd, but I find it happens very often with programs that involve raw filesystem manipulation. When I'm copying with ...
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1answer
7k views

df hangs and I have no idea why

[backstory] I've got a CentOS 7.5.1804 mail server (postfix/dovecot) that seems to be working, however when I added a new email client, it didn't create the mail folder for the user [/backstory] I ...
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3answers
8k views

Ubuntu boot hangs at started update utmp about system boot/shutdown

I recently installed boost on my Ubuntu, did apt-get update and everything was fine. After a while, no apps were working. I tried to restart my PC but unfortunately, Ubuntu is not booting anymore. ...
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545 views

Samba Share Regularly Hangs for Win 10 Client

I'm running samba 4.77 on Fedora 27 with Kernel 4.16.12. I've got a fairly basic samba config, which I have posted below. I use Windows 10 clients. This problem only ever seems to happen on my samba ...
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0answers
6k views

Reboot is not working

I have the VM running with ubuntu(14.04.4). Sometimes, I just want to restart the VM by reboot command. When I execute the command, it prompts "success" but nothing happened. I checked the syslog, no ...
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1answer
2k views

“shutdown -r” works but “reboot” does not

Fresh install of Centos 7 KDE kernel: 3.10.0-693.21.1.el7.x86_64 After I do a yum update to update all of the packages, reboot no longer works. I tried to track the problem with no avail. For fun, I ...
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1answer
82 views

How to properly sandbox a program that may hang the computer

Recently I compiled a program in GNU MIX. The program is rather simple and only contains an unconditional jump to the only instruction, which is essentially a infinite loop. The problem is, when I ...
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44 views

Odd Stuttering on Dual CPU System

I have an HP Z800 with two Westmere EP based X5670 CPUs (basically gen 1 iX series) and an HD7950. I don't know when exactly this started, I've been switching between various distros probably a bit ...
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2answers
642 views

skill is not working to kill a session in Redhat 7 box

I had Redhat Linux 6.x which was recently upgraded to the Redhat 7 box. Previously I used to use the below command to kill the linux sessions. But now I am getting the the below error if I try to kill ...
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2answers
2k views

High IO on KVM/LXC host will hang server but not on guest (Proxmox/Debian)

I have problem for past several months which was progressively getting worse and now I'm in state that if I try to do almost any intensive IO operation on my visualization host (Proxmox ve 5.1-41) ...
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1answer
746 views

Gentoo's openrc hangs forever in “caching service dependencies…”

Whenever I boot my gentoo laptop, openrc hangs forever in the "Caching service dependencies..." stage. This causes my computer to be unbootable unless I use a sysrq key to kill it and manually boot ...
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1answer
30 views

If I replace files that are in use by a hung process and start a new process, will it use the new files or the old ones?

I am on Red hat GNU/linux 2.6.32-431.29.2.el6.x86_64. Recently - One of my process hung. This process was using few files from a directory - say DIR-1 . While process was in hung state, I moved ( ...
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1answer
281 views

Why is LESSOPEN causing my command to hang?

I'm trying to read a filtered version of some files in less by using the LESSOPEN environment variable, but no matter how simple my preprocessor, the command hangs until I send it a SIGINT via Ctrl+C: ...
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1answer
518 views

CentOS 7 no terminal on boot

I have rebuilt my CentOS 7 server and on restart, the boot screen locks up, yet I can remote in to the server just fine as through it has fully booted. Restarting and looking at the boot messages, ...
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1answer
499 views

I have a kdump kernel core dump; how can I analyze it?

After installing kdump-related packages and yet another hang, I now have a: /var/crash/kexec_cmd file. But what can I do with it? Should I use the command-line crash utility? I tried to, but it ...
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1answer
60 views

Figuring out what caused a system hang

Over the past several hours I've had my Mint 18.2 system hang on me - twice during a Skype (64-bit) conversation, and a third time. Screen locks up, audio repeats a short pattern, no response to ...
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61 views

Wireless keyboard/mouse hangs when an external usb drive is plugged in

This happens on both (1) an Asus VivoPC VM62N-G050R with the supplied wireless Asus keyboard/mouse, running Slackware 14.1x64 (dual-booting with the native win8.1), and on (2) a generic whitebox with ...
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29 views

how to make a memory hungry application cause swap slowness only to itself? [duplicate]

I have 6GB RAM and 10GB swap. Some applications dare to consume/allocate/use about 5GB to 6GB of RAM. When the memory completely fills out, the whole system hangs for 1 to 2 minutes to swap all ...
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2answers
459 views

Cannot read regular file - IO operations block

I'm writing a program that scans through all files in an Android device, looking for a specific string. A few seconds through the process, I get stuck on the following file: /sys/power/wakelock_count ...
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1answer
294 views

linux hang on transfer with rsync,can be a ram error?

My problem If I transfer file with rsync using tapes,or disk(usb,e-sata,firewire) linux hang,no way to resume if not using powerbutton(brutal shutdown!) sysrq-trigger don't work,ssh don't answer,...