Questions tagged [freeze]
22 questions
3
votes
1 answer
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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3
votes
0 answers
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
- 51
- 2
2
votes
0 answers
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
- 21
- 1
2
votes
0 answers
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
- 21
- 4
1
vote
1 answer
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
- 243
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1
vote
1 answer
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
- 11
- 2
1
vote
0 answers
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…
Felix Barnsteiner
- 11
- 1
1
vote
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
- 13
- 4
1
vote
0 answers
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…
Nazmul Ahasan
- 11
- 3
1
vote
0 answers
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
- 143
- 3
1
vote
0 answers
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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1
vote
1 answer
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
- 630
- 2
- 7
- 22
0
votes
1 answer
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
- 461
- 1
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0
votes
0 answers
Server pauses for a second at regular intervals
I have this debian 10 box as a part of my cluster. Monitoring tools show a dip to 0/pause in traffic at a regular interval of 30 seconds. My servers come from different providers and all of them behaving this way are from the same provider so I tend…
Romeo Mihalcea
- 502
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0
votes
0 answers
Win 2K19 File Server hanging and shows disconnected users
We facing a strange issue with our Shared Folders hosted on Windows Server VM, recently upgraded to Win 2019 Datacenter.
Randomly after last reboot (can be 2 days or 5 days after), we facing the issues described below :
Some users can't browse…
Exsvjo
- 1