Questions tagged [freeze]

22 questions
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Troubleshoot random server freezes without log entries

We are experiencing a very particular and unique problem on our C# application which is running under .NET framework 4.7.2, in kiosk mode on Windows 10 Operating System that runs on a Lenovo ThinkStation P320 Tiny as Hardware (the same problem was…
systempuntoout
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CentOS Linux 8 freezes when changing SELinux Booleans (setsebool)

Problem Various CentOS Linux 8 servers freeze/hang when changing SELinux Booleans. Details and research We manage hundreds of CentOS Linux servers. Lately we see deviant behavior on some (but not all) servers when changing SELinux Booleans. Just…
acropia
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Apache "freezes" few times a day

I'm writing here after weeks spent fighting an issue that cause Apache to stop responding until it is restarted. It happens 3/4 times a day, sometimes after hours, sometimes after some minutes, sometimes after a day. There's non relation (at least…
JYD
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Debian 10: activating bridge interface on remote host freezes ssh connection

I am working on a fresh installed Debian Buster installation on a remote host located in a data center elsewhere. I have a script ready to copy the working standard /etc/network/interfaces back in place and reboot with an at command entry should a…
Torsten
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SSH freezes after couple of lines printing

I am having this weird issue with a server whenever I try to open htop over ssh it hangs, ls works but ls -l hangs after couple of line if I execute history it hangs after printing 50+ line. But mosh seems to working fine. I cant figure out whats…
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virt-install hangs and won't die. How to stop safely?

I am having a problem where virt-install gets stuck in the very early stages and cant be killed (after saying "starting installation", but before the VM is visible in virt-manager). Ctrl-C does not work to cancel virt-install, and systemctl restart…
Stonecraft
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Ubuntu Server 20.04 freezes every couple of days

Short Intro Since a couple of days, my physical server keeps freezing every 2 or 3 days. I have already replaced all hardware, including the drives, and did a fresh installation of Ubuntu. Details & Findings No luck so far when searching the log…
k304
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Does freezing the cgroup wait for TCP send buffers to be flushed?

What guarantees are there for flushing the TCP send buffers, if any, when the freezer subsystem freezes a cgroup? Consider the following scenario: Server A, which runs in a cgroup, sends data to Server B via TCP. The TCP socket is configured to use…
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1 answer

GPU server freezes during GPU idling

We have a new Supermicro Server AS-4124GS-TNR equipped with eight NVIDIA RTX A6000. The OS is Ubuntu 20.04.2, the NVIDIA driver version is 460.73.01 (no Nouveau driver used), the CUDA Version is 11.2. We ran a few long-lasting tests on the GPUs and…
user776206
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Ubuntu machine crashes randomly but absolutely no log. How to debug it?

I am running an ubuntu machine and it crashes randomly. By "crashing" I mean it completely freezes, i.e. no HDD activity, no response to peripherals, and the display output is frozen. At the moment of the crash, there is no log in the system…
Jose
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CUPS lp freezes when a printer is offline

I'm running CUPS 2.2.10 (Raspberry Pi). I have two Zebra label printers connected to USB ports. Each is configured in CUPS. They print fine with no issues unless one printer is turned off. Then if a job is sent to that printer, CUPS freezes and…
Ryan Griggs
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How to prevent sshfs from freezing everything?

How do I prevent SSHFS from freezing everything that attempts to access it when the server doesn't answer? My fstab looks like this: user@domain.com:/home /mnt/data-remote fuse.sshfs …
Cobra_Fast
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vsftpd TLS file transfers of more than a few KBs hang at 0%

We've deployed a new FreeBSD cloud server and configured it identically to our older ones, but it doesn't do vsftpd TLS file transfers well. Files of more than a few KBs hang at 0% on every client. Small file transfers are fine. Plain FTP has no…
Xen
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Amavis: No decoder for .F/No ext program for .F, tried: unfreeze, freeze -d, melt, fcat

I am using amavis for my Debian 11 mailserver. I managed to set almost all configs correct but there is a problem scanning .F files because no decoder is found. Starting amavis tells me: Jun 17 10:31:30 mail amavis[709]: Net::Server: Group Not…
tillewolle
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debian server fails to initialize on login load and other related problems

Very good day/afternoon/night, I have finally decided to expose my problem after trying several options, but unfortunately none of them is related to my issue. The case is that we have a debian server in use, which one day stopped booting. Here I…
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