Questions tagged [hang]

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Linux kernel BUG: scheduling while atomic: swapper/0/0/0x7fff0001

I'm running Arch Linux, kernel 5.17.3 (though this issue has been happening across many versions.) Every couple of days, I get random complete system freezes. The kernel logs vary, but they most ...
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linux kernel freeze

I am using linux kernel 4.19 on intel (icelake) based server. Sometime immediately after linux boot (at the login prompt) it get stuck(once is 50 reboot or so). It is not responding to anything on ...
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-3 votes
1 answer
56 views

Why my kali linux os is stops working AFTER 1-2 HOUR?

My Kali Linux OS is working fine but after a time period(like every 1-2 hour after) everything is suddenly stops nothing working only mouse courser moves but when i click on any icon it is also not ...
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1 vote
1 answer
19 views

Fedora boot hangs when second disk is attached

I am running # uname -a Linux UlanBator 5.16.11-200.fc35.x86_64 #1 SMP PREEMPT Wed Feb 23 17:08:49 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux # and I have these disks # fdisk -l Disk /dev/sda: 465.76 ...
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shutdown: Kernel Panic; error while loading shared libraries: libgcrypt.so.20

System Information System: Kernel: 5.4.0-92-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 5.2.7 Distro: Linux Mint 20.3 Una base: Ubuntu 20.04 focal I am getting the following ...
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Not able to log in to cartain website

Something strange is happening on my machine: When I boot into USB-Live Fedora and try to log in to a certain website with Firefox I am able to log in only once. After closing the browser the login ...
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42 views

Troubleshooting Zypper info command hanging

In my perl script, I run a tcsh command to get the Zypper repo information: my $cmd = "zypper info $packageL"; my ($stdout, $stderr, $exit_status) = capture { system($cmd); }; I run in a ...
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Is there a way to recover from "Detected Tx Unit Hang" network errors?

After waking from suspend, my Ubuntu 21.04 system had network issues. I'd guess about 50% of IP sockets failed. This included failures of both ssh and ping. By "fail" I mean that a ...
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90 views

Any way to fix chromium hang that eats up all mouse clicks?

So I have been running into this weird issue where Chromium would hang, and pretty much lock out mouse clicks. The mouse can still move, I can navigate using my keyboard all non-chromium windows like ...
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524 views

Is it possible to use `df` when some of the NFS disks are unresponsive?

I have some Ubuntu file server that is connected to several NFS disks. Due to some earthquake, some NFS disks became unresponsive. This results in the df command hanging forever. Is it possible to ...
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How to kill processes waiting for frozen md raid?

Long story short, I had a frozen md raid and while trying to tear it down, I hit the following problem: # umount /path/to/mount/point umount: /path/to/mount/point: target is busy. # fuser -av -M -m /...
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138 views

Linux Mint 20.1 (Cinnamon) is randomly hanging/freezing for one sec on ThinkPad X1 Yoga (3rd Gen)

My Mint 20.1 is randomly freezing/hanging for about one second without any obvious reason. That's what I was observing: It occurs every 2 - 5 Minutes There is no system overload, <5% CPU <20% ...
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Need command-line solution as Brother Printer stops printing unless restarted physically

I have a shell script code that prints any new PDF generated to a Brother printer which is connected to a MACOS as below lp -d Brother_HL_L2350DW_series /var/pdfs/11.pdf After 2 or 3 days the printer ...
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2 votes
0 answers
93 views

How to properly report nouveau hang

I'm using KUbuntu 20.04 on the Dell E6410. Supposedly it has GT218M [NVS 3100M] display adapter (at least, lshw says so). For a long time I've been using the nouveau driver (xserver-xorg-video-nouveau)...
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  • 129
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1 answer
371 views

echo write to pp_od_clk_voltage amdgpu hang the terminal on Ubuntu 20.04

Trying to manipulate the frequency and voltage in amdgpu. Any command, like: echo 'm 0 300 800' > /sys/class/drm/card1/device/pp_od_clk_voltage Just hang the termnal output. It reacts on keypresses ...
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2 answers
220 views

Intermittent hang after systemd startup on Debian Buster

I'm currently running Debian Buster with the 4.19.0-9-amd64 kernel. I find that intermittently after booting my system, selecting this kernel, entering my boot disk encryption key, and waiting for ...
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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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1 answer
129 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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  • 297
1 vote
1 answer
160 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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  • 297
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2 answers
140 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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  • 161
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1 answer
23 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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0 answers
140 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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949 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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1 answer
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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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1 answer
145 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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1 vote
1 answer
82 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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0 votes
1 answer
333 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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0 answers
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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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141 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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1 vote
2 answers
4k 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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3 votes
1 answer
292 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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5 votes
2 answers
3k 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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1 vote
1 answer
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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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45 votes
10 answers
106k 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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2 votes
2 answers
3k 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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2 votes
1 answer
3k 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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1 vote
1 answer
9k 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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2 votes
3 answers
14k 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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0 answers
936 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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4 votes
0 answers
10k 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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1 vote
1 answer
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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1 vote
1 answer
126 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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0 answers
45 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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  • 141
1 vote
2 answers
944 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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0 votes
2 answers
3k 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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1 vote
1 answer
1k 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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1 vote
1 answer
37 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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1 vote
1 answer
474 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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3 votes
1 answer
648 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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0 votes
1 answer
570 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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