Questions tagged [hardware]

General questions about hardware under Linux/Unix. Use a more specific tag if applicable.

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Ubuntu server freezes

I'm trying to get to the bottom of an issue with my home server which keeps freezing after different periods of time (ranging from 3 - 7 days). It's currently running Ubuntu server: Distributor ID: ...
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2 answers
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CPU overheats and PC shuts down when swap is full

This doesn't necessarily have to be a Linux problem but I'll ask it here anyway. I'm using a workstation mainly for training deep learning and machine learning models. I run training codes on both CPU ...
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How to know which hardware causing this error?

I got this today: Jun 27 15:54:18 pop2204 kernel: ---[ end trace 0000000000000000 ]--- Jun 27 15:54:18 pop2204 kernel: </TASK> Jun 27 15:54:18 pop2204 kernel: secondary_startup_64_no_verify+...
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dhcpcd generates gigabytes of error messages under -current64 install of slackware 15.1, but runs fine under old 14.2

I have an older HP laptop model 17-bs019dx, https://support.hp.com/us-en/document/c05531010, that's been successfully dual-booting Slackware 14.2x64 with its pre-installed Windows since purchase in ...
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Driver for AX88179 Gigabit Ethernet

I have the following Ethernet to USB-C adapter: $ lsusb | grep Ethernet Bus 002 Device 003: ID 0b95:1790 ASIX Electronics Corp. AX88179 Gigabit Ethernet Currently it is not working when plugged into ...
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Why does my system see 8gb ram, when I have 16gb installed

I've just assembled a new PC and I have 1 16gb plate installed, but my system reports that it has only 8gb available. output of inxi -m: Memory: RAM: total: 7.23 GiB used: 3.51 GiB (48.5%) Array-1:...
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Recover files from hardware failed ssd

I have an ssd that has had a hardware failure of some kind, I can rma it as it is still under warranty but their service does not include data recovery. I have collected my work files from it but my ...
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Use one of batteries in charging

My laptop has 2 batteries. Is there a way to prevent using battery X while charging? I mean that when I use laptop in charge, the OS uses battery Y not battery X. My batteries are Sony 45N1111 and LGC ...
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1 vote
1 answer
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How to avoid hardware damage with dd

I wanted to create an encrypted USB-stick. In the tutorial I used it said something like 'to avoid pattern based attacks dump random input to the drive'. So I did by dding /dev/urandom to the drive. ...
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How to enable USB ethernet in Arch Linux?

I have a TD-LTE wireless terminal which can be used as a external 4G network adapter. It is connected to computer through USB. When I'm using Debian 11, it can provide USB ethernet well. However, ...
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No loggin, no Ports except 21

Occasionally the server seems to freeze. But we find out, that FTP on port 21 is still available, while the Ports 80, 8080, 10000, our SSH-Port, which is not 22, and 443 are unavailable. Also the ...
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Finding the right drivers in the linux kernel

I have an ELAN touch-pad with vendor id 04F3:3128 and I'm trying to find the right Linux kernel drivers to support it. I will start by noting that the touch-pad works with live CDs, like for example ...
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Ethernet adapter in "lspci" but not available in "nmtui"

How can I activate an Ethernet adapter which is visible in lspci but otherwise not exposed? Messing around, I recently moved an SSD with a Fedora install from one computer to another. Without changing ...
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1 answer
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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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"ata2: comreset" errors during install

I was given an HP Envy 14, Intel Core i5. The person who gave it to me told me they had booted from a kali live USB and deleted the WHOLE hard drive, everything, and it got stuck in GRUB. They took ...
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Optical drive suffering from chronic premature ejection

My slot-loading optical drive (HP BDDVDRW CA21N) spins and up and then ejects every disc, a process that takes about 15 seconds. I've found lots of posts on enabling wanted ejects, but close to ...
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How is the default hostname set in Ubuntu?

How is the default hostname set? Usually it is something akin to the manufacturers model name or string. I am curious how that value is accessed, as it seems it would be something from the bios or ...
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Hardware error from APEI Generic Hardware Error Source (ECC RAM)

[58306.633900] {1}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 1 [58306.633905] {1}[Hardware Error]: It has been corrected by h/w and requires no further action [58306....
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Running computations from SWAP without complete performance drop - Discussion on NVMe speeds and if they ever come in reach for RAM replacements

I have been setting up my Linux machine (currently pop-os) in several ways recently to upgrade my system to demands of specific data analysis done in R. In brief: The Data set I am working on is ...
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1 answer
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Unique identifier that persists with hardware associated with it [duplicate]

I am managing a Debian 11 bullseye server and I want to register its ID inside a database filled with other IDs. I want the ID registered in the database to persist with the physical hardware (i.e. ...
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What happen to the disk when an application saving big file

I'm curious about, when we work with files those need frequently saving (eg. doc, pptx), what happen to the disk when we press the save button? I was thinking about, the original file content should ...
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What does 2 digit number which is shown for the line connecting IO device to NUMA node in lstopo represent?

I have taken a lstopo capture of the system using this command lstopo --output-format png -v > cpu_io.png. Below is the output of cpu_io.png This will list the basic IO devices connected to the ...
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-2 votes
1 answer
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Which distro for Machine Learning on Lenovo Legion S7?

My friend, an ML engineer, had tremendous problems with Mint and Ubuntu for the past couple of months due to bleeding edge hardware on Lenovo Legion S7. At the moment, he's currently not using any OS, ...
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How to identify cause of random poweroff on linux laptop?

My laptop (thinkpad 13, ~6 years old) has run perfectly since I bought it new, and still does when on AC power. I started getting random "crashes" a few months ago, only while on battery. ...
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Is my old HP laptop preventing Linux from running smoothly?

I have an older HP laptop. I don't know all the specs but I believe it is a G60 notebook with a dual core intel pentium processor. It used to have Windows Vista on it. I don't remember the exact hard ...
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nouveau + unsupported SPROM error message on booting Mint

When I try to boot into a Mint live environment from a USB, I get the following message: bcma: Unsupported SPROM revision: 11 bcma-pci-bridge 0000:03:00.0: bus0: No SPROM available usb 1-4: device ...
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hid2hci could not find device

I am trying to reconfigure a usb bluetooth dongle from HID to HCI mode using hid2hci. I followed the steps according to this tutorial. It was going well up until the part where I had to actually use ...
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1 answer
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Moving RAID5 to RAID1 -- Out of Disk Slots [duplicate]

Years and years ago, I set up a 4 TB RAID5 array using 3x 2 TB disks. Those are positioned in sda/b/c. I have a very old tiny disk in sdd, and I'm booting from a 1 TB SSD in sde. Yea, it's a mess. ...
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What does command do: `badblocks -svn /dev/sda`? does it just report the bad blocks?

This command: badblocks -svn /dev/sda What does it do? Does it just report the bad blocks? Or does it somehow handle the bad blocks so that I don't need to be worried about them? I read the manual by ...
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2 votes
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Getting details on printers with SNMP?

Under which OID is such detailed information on the make, model and features of the printer usually found? I have to answer this question I have been researching and have installed the following apt ...
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1 answer
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NanoPi mali GPU doesn't want to increase frequency

I'm trying to increase frequency of mali GPU on my NanoPi M4. I use friendlyarm-desktop distro. The /sys/class/misc/mali0/device/devfreq/ff9a0000.gpu/governor is already in "performance" ...
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2 votes
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Can't get ECC error reporting to work in Linux

I've been trying unsuccessfully to get ECC error reporting to work in Debian 11. The hardware configuration is as follows: MB: ASRock X570 Pro4 CPU: Ryzen 7 PRO 5750G RAM: Kingston KSM26ED8/32ME (x2) ...
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Design process for custom hardware

We have a design for a custom board with multiple codecs that will be used with a iMX8 module. We haven't made a prototype yet. Hardware designer wants to test his assumptions to verify the SAI ports ...
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1 vote
1 answer
715 views

0bda:c811 Realtek not recognized

Have a popular realtek chipset usb wifi adapter. Debian 10 and kali linux both do not recognize the chipset. Similar problem reported in Mint, Ubuntu, Centos @ilak:$ lsusb Bus 001 Device 003: ID ...
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1 answer
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Failed NVMe M.2 SSD, broken filesystem, unwriteable; can I wipe it anyway?

My Samsung 970 EVO M.2 500GB SSD (MZ-V7E500BW) suddenly failed yesterday during a power outage. I now have a warning during POST ("WARNING! Please back up your data and replace your hard disk ...
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Less RAM showing with Unbuffered DIMMs than with Registered DIMMs

I recently replaced 32GB (4 x 8GB) of Registered (and ECC) memory modules in my system with 64GB (2 x 32GB) of Unbuffered (and non ECC). The curious thing is, in the earlier configuration free -h ...
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Touchpad (ELAN 04F3:3072) not working/detected after BIOS upgrade (Lenovo Ideapad Flex 3 11ADA05)

Reposting this from ArchLinux BBS, because I suspect that it isn't distribution specific. After a BIOS update from FPCN18WW (2021-07-12) to FPCN24WW (2021-08-19) my touchpad is not recognized in the ...
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1 answer
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Would a Netgate 1100 with pfSense Plus Software support SquidGuard?

Would a Netgate 1100 with pfSense Plus Software support SquidGuard? I'd like to be able to do web filtering using that software / hardware combination. P.S. Apologies if I have posted this in an ...
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As hardware developer (like arduino board etc.), Does one have to license PCB's files under GPLv2/3 if it's software use (go with) GPL licensed parts?

I'm just trying to understand opensource licenses as a hardware dev. Also I'm not fully understanding GPLv3 about Tivoization part. So If I use GPLv3 software parts, Do I obligated to design PCB that ...
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XBox One controller (USB) is detected, but sends no input events

I have a recently purchased X Box One wired controller, which I would like to have available on Linux. When I plug it in, it is detected, and does show up as /dev/input/js1. (/dev/input/js0 is my ...
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2 answers
898 views

ASMedia SATA controller 106x not working under ubuntu

I've added PCIe ASMedia SATA controller to my PC. It's working fine under win10 but not with ubuntu. lspci returned that: 01:00.0 IDE interface: ASMedia Technology Inc. Device 0624 (rev 01) (prog-if ...
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What's the deal with the TYPE udev property?

Looking at the udev info for a usb device: P: /devices/pci0000:00/0000:00:1a.0/usb1/1-1 N: bus/usb/001/002 L: 0 E: DEVPATH=/devices/pci0000:00/0000:00:1a.0/usb1/1-1 E: DEVNAME=/dev/bus/usb/001/002 E: ...
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1 vote
0 answers
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EgisTec 0570 Fingerprint Sensor - fprintd-enroll not working

I have an Acer Swift 3 (SF314-57) running arch, which has an 0570 LighTuning Technology Inc. EgisTec Touch Fingerprint Sensor. Support for this device was just made available in the latest libfprint ...
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KVM Switch lags when re-connecting to Linux

I have this IOGear GCS22U 2 Port KVM Switch which I use to switch between my Manjaro machine (Linux manjaro 5.10.56-1-vfio-lts) and my Windows 10 machine. I am using a Corsair K95 RGB Keyboard and a ...
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Why does lspci in an Azure VM show only a NIC card?

Normally in a Linux system a bunch of things show up, but in an Azure VM it shows only a single NIC card. Why is that?
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1 vote
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Configuring AMD RX 580 on Fedora 34

I have ASUS AMD RX 580 on Fedora 34 system. This series of video cards have problems with very high default core frequency and power limits. Video core has normal temperature, but some small ...
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1 answer
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Lap top get off when I separate charger

I brought my lenovo-ideapad-320 to repair shop and changed my keyboard. now when I separate my charger ,the lap top get off and doesn't get on without charger. may is it related to long time being off?...
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1 vote
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Network Adapter - CTRL EVENT SCAN FAILED (unstable hardware)

I am using Manjaro Linux over an old HP Laptop (HP Pavilion G6 2298SE). This Laptop has following (Ralink) Network Adapter: 07:00.0 Network controller: Ralink corp. RT5390R 802.11bgn PCIe Wireless ...
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8 votes
2 answers
1k views

How to print zeros and ones of a file

Long story short: how to print in a terminal the binary digits constituting a file e.g. a library .so or a simple text .txt file PC hardware works with electrical signal (basically it's an ON/OFF ...
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Battery does not stop charging

My goal is to prevent my battery charging all the time which is not good for the hardware. After several hours it still shows that it's charging: #root# acpi -V Battery 0: Charging, 99%, 00:12:56 ...
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