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Questions tagged [hang]

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5
votes
4answers
11k 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 ...
3
votes
1answer
83 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 ...
3
votes
2answers
118 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 ...
3
votes
1answer
388 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, ...
1
vote
1answer
60 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 ...
1
vote
2answers
322 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 ...
1
vote
1answer
411 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 ...
1
vote
1answer
3k 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 ...
1
vote
2answers
4k 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. ...
1
vote
1answer
460 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 ...
1
vote
1answer
29 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 ( ...
1
vote
1answer
159 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: ...
1
vote
2answers
292 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 ...
1
vote
1answer
24 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 ...
1
vote
0answers
2k 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 ...
1
vote
1answer
676 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 ...
1
vote
0answers
36 views

Ubuntu locked up and strange UI changes, serious problem? [closed]

My Ubuntu 16.04 system just locked up out of the blue, I had to hard-reset the machine. Now that's booted back up, the Unity menubar has turned transparent, and the light shading around each icon on ...
0
votes
1answer
36 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 ...
0
votes
2answers
83 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 ...
0
votes
2answers
1k 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) ...
0
votes
1answer
352 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 ...
0
votes
1answer
44 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 ...
0
votes
1answer
161 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,...
0
votes
0answers
25 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 ...
0
votes
0answers
16 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 ...
0
votes
0answers
122 views

Cannot kill my lsof processes even as root

My lsof is hung so bad that I can't even kill -9 it. Initially, it was owned by another process, foo. I tried killing foo, hoping that lsof would also go way. But while I was able to kill -9 foo, now ...
0
votes
0answers
449 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: ...
0
votes
0answers
211 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 ...
0
votes
0answers
41 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 ...
0
votes
0answers
38 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 ...
0
votes
0answers
19 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 ...
-1
votes
0answers
20 views

The software stopped, but still reminded

My TOR browser has hung. I tried to close it from system monitor. Now the tor id has been deleted, but still the TOR browser could be seen and there is limited access, as you can see below: So have ...