Hacker News with Generative AI: Troubleshooting

Watt The Fox? (h.43z.one)
I recently got a new notebook and noticed that the speakers would occasionally emit a faint but annoying white noise. This issue was only noticeable in a quiet room when no music or other audio was playing through the speakers.

Hardware, Troubleshooting, Notebooks

343 points by h43z 6 days ago | 75 comments

Linux kernel cgroups writeback high CPU troubleshooting (dasl.cc)
We’ve been upgrading the operating system from CentOS to Ubuntu on hosts across our fleet. Our CentOS hosts run an outdated Linux kernel version (3.10), whereas our Ubuntu hosts run a more modern kernel version (6.8). In August 2024, we began rolling out the Ubuntu upgrade across our Apache web servers. When we migrated larger portions of our fleet to Ubuntu, we began seeing elevated listen overflow errors.

Linux Kernel, Troubleshooting, Performance, Operating Systems, Server Management

178 points by mesto1 7 days ago | 27 comments

MTR: 'traceroute' and 'ping' in a single tool (bitwizard.nl)
mtr combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.

Network Tools, Linux, Troubleshooting

106 points by program 18 days ago | 47 comments

How to turn off Apple Intelligence (asurion.com)
🚨 Setting up a new phone? Trouble connecting? No matter the issue, we can help.

Apple, Troubleshooting, Smartphones, Technology

240 points by walterbell 20 days ago | 179 comments

What's the Root Cause? – a quiz (spike.sh)
You will see 6 real-world incidents with multiple root causes as options. Select the correct one. Good luck!

Software, Quizzes, Outages, Troubleshooting

6 points by kaushikt 24 days ago | 3 comments

Older Samsung TV with microphone remote suddenly only understands Russian (reddit.com)

Samsung, Remote Controls, Language, Technology, Troubleshooting

7 points by tzs 25 days ago | 1 comments

Showkey: Examine Keyboard Codes (cubiclenate.com)
I was having a peculiar issue with my computer where the “]” key kept getting pressed over and over again. It was very aggravating and I wasn’t sure where the problem was coming from. Neither my external keyboard nor the laptop keyboard would respond when I would press the “]” key and I was confused.

Troubleshooting, Hardware, Software, Computers

6 points by LorenDB 26 days ago | 0 comments

Fixing my monitor's power button (lkhrs.com)
Turning one of my monitors vertical appeared to exacerbate an issue with the power button to the point where it stopped working. I did my first soldering job in years and was able to get it working again, so I’m documenting it.

Hardware, DIY, Troubleshooting

96 points by todsacerdoti 26 days ago | 34 comments

Why is my CPU usage always 100%? (downtowndougbrown.com)
If you’re new to this series, I’ve been documenting the process I went through upgrading my old PXA166-based Chumby 8’s 2.6.28 Linux kernel to a modern 6.x version.

Troubleshooting, Linux, Kernel, Hardware

537 points by pncnmnp 43 days ago | 142 comments

Diagnosing an Unusual WiFi Issue (2020) (ryuuta.net)
Late last year, I started experiencing some unusual intermittent connection issues on my Desktop.

Networking, Troubleshooting, Wi-Fi

271 points by llimllib 50 days ago | 97 comments

PCIe trouble with 4TB Crucial T500 NVMe SSD for >1 power cycle on MSI PRO X670-P (level1techs.com)

Storage, Hardware, Troubleshooting, SSDs, Motherboards

167 points by transpute 56 days ago | 105 comments

I fixed a server with a precisely placed piece of tape (2023) (treehouse.systems)

Hardware, Troubleshooting, Server Administration, DIY

90 points by Wowfunhappy 103 days ago | 52 comments

The number given as % CPU in Activity Monitor (eclecticlight.co)
One of the most frequently quoted measurements in Activity Monitor is % CPU. When the fans blow, or a Mac becomes sluggish, it’s often the first figure to look at and wonder why that process is pulling over 100%.

macOS, Performance, Activity Monitor, Troubleshooting

147 points by Brajeshwar 104 days ago | 32 comments

Ask HN: Proofpoint is blocking our emails. Any recourse? (ycombinator.com)
We have a valid email domain that is battletested and used for sending out notifications, invoices, upgrade notices to customers.

Email, Troubleshooting, Security, Business

23 points by internet1776 112 days ago | 25 comments

Apps does not open after upgrade to fedora 41 (fedoraproject.org)
Loading Fedora Discussion

Linux, Fedora, Operating Systems, Software, Troubleshooting

3 points by belter 112 days ago | 1 comments

Intel Core 13th and 14th Gen Desktop Instability Root Cause Update (intel.com)
Following extensive investigation of the Intel® Core™ 13th and 14th Gen desktop processor Vmin Shift Instability issue, Intel can now confirm the root cause diagnosis for the issue. This post will cover Intel’s understanding of the root cause, as well as additional mitigations and next steps for Intel® Core™ 13th and 14th Gen desktop users.

Hardware, CPUs, Intel, Technical Issues, Troubleshooting

48 points by transpute 142 days ago | 17 comments

How to avoid a BSOD on your 2B dollar spacecraft (clarkwakeland.com)
Short answer: turn it off and turn it back on

Spacecraft, Software, Troubleshooting, Hardware

190 points by linebeck 149 days ago | 152 comments

Stop macOS 15 Sequoia monthly screen recording prompts (lapcatsoftware.com)
The good news is that there's a way to stop the prompts forever.

macOS, Software, Troubleshooting, Operating Systems

20 points by frizlab 153 days ago | 4 comments

macOS firewall blocking web browsing after upgrading to Sequoia (waclaw.blog)
It seems the OS firewall can sometimes start blocking access to web browsing after upgrading to macOS Sequoia. At least this was the case for me and some folks on Reddit.

macOS, Security, Troubleshooting, Operating Systems, Web Browsing

3 points by luu 154 days ago | 0 comments

Linux Horror Stories and Protection Spells (Volume I) (2021) (blopig.com)
Don’t get me wrong. I love Linux. After many years of using it, I ended up appreciating how flexible, potent, and even beautiful it is. However, using Linux has never been a bed of roses and every single Linux user that I know has had to deal with many problems since the very beginning.

Linux, Operating Systems, User Experience, Troubleshooting

37 points by marcodiego 154 days ago | 18 comments

Problems with RPi Pico 2, RPi RP2350 Deepen as Projects Hit by Erratum E9 (hackster.io)
Raspberry Pi's new RP2350 microcontroller family continues to be the focus of considerable troubleshooting this week, as developers increasingly run into the side-effects of a design flaw known as erratum RP2350-E9 — with the result that some are cancelling designs built around the new chip, at least until a new stepping is released with the fault fixed.

Hardware, Raspberry Pi, Microcontrollers, Design Flaws, Troubleshooting

26 points by transpute 166 days ago | 0 comments

Microwave spontaneously turned on by its LED display (stuffedcow.net)
My microwave oven started to malfunction at around five years old. It started to randomly power on the lamp, fan, and turntable. It progressively got worse over several weeks until it was mostly stuck on. The microwave oven is not usable when this happens: It behaves as if the door were open, causing the control panel to ignore button input and to stop cooking if it was cooking.

Electronics, Home Appliances, Troubleshooting, Malfunctions

168 points by forgotthepasswd 166 days ago | 116 comments

DNS Doesn't Propagate (2021) (jvns.ca)

DNS, Networking, Troubleshooting

27 points by thunderbong 167 days ago | 21 comments

The Worsening RP2350 E9 Erratum Situation (hackaday.com)

Hardware, Software, Troubleshooting, Errata

7 points by unwind 169 days ago | 0 comments

Escaping from Anaconda's Stranglehold on macOS (paulromer.net)

macOS, Python, Software, Operating Systems, Troubleshooting

143 points by surprisetalk 176 days ago | 281 comments

Essential Linux Commands for Setting, Monitoring and Troubleshooting Networks (nixsanctuary.com)