kernel module

  1. I

    Solved Cannot mount FAT32 msdosfs USB disk

    Hi, I am new to FreeBSD and use it at work. We use a stripped version of FreeBSD11.4-RELEASE (the person that stripped it is not around) and so, do not hesitate to tell me what "might" be missing or what "might" be different in our stripped version. I need to mount a FAT32 usb stick. The...
  2. R

    Is it possible to download prebuilt kernel module files?

    For some reason, my 13.2 install doesn't include the i915 module. Is there an official location where all kernel modules are stored? I actually looked at the 13.2 release ISO and didn't see it in there either.
  3. BaronBS

    Solved Poudriere and custom kernels

    Guys, good evening folks. My setup is: I build world and kernel (Generic) on my host and I use poudriere to build all ports that I use (around 1200). I want to play with the Kernel configuration and build a custom kernel for my T430. For now I don't want to put any port module inside the...
  4. grahamperrin

    Solved Appropriate use of loader.conf(5) for kernel modules

    There's a FreeBSD recommendation to use /boot/loader.conf for nvidia (with the latest driver for NVIDIA). Is this use of loader.conf appropriate (with FreeBSD 13.0-RELEASE), or somewhat archaic? loader.conf(5)
  5. Nick-6

    Load all kernel modules and check USB Wireless Adapter is working?

    I have a cheap usb wireless adapter (brandname=Tenda) and I would like to know whether it is supported or not. It seems there are 805 kernel modules in FreeBSD-13. % ls /boot/kernel/*.ko | wc -l 805 Can I just load all those kernel modules and check my wireless is working at all? #...
  6. samTopaz

    Which Kernel Module Is Using All My Memory?

    After my system has been up for a few days it crashes. I can see before it crashes that basically all of my memory has been used. It's almost all used up as I type this. Looking at top I see that I have 26GB wired! Is there an easy way to find out which kernel module is using all of my memory...
  7. agilestorage

    Urgently looking for temporary senior kernel developer

    We have a problem regarding a missing kernel- / driver-module for switchtec PM8546 NVMe switch and NTP bridge. Is anyone here who has ability to help us finishing the already started development work for the above listed task? This could not be finished because a external development company...
  8. D

    Solved DRM Module Kernel Panic with pkg

    Hello, I have been trying to get OpenCL working and found out I needed graphics/drm-fbsd12.0-kmod in order to get OpenCL recognize my GPU. The problem is, that module only works if it's built from ports and crashes when it's installed from pkg. The other issue is for number of reasons I can't...
  9. D

    Solved [Freebsd 12.2/DRM] : kernel: device_attach: drmn0 attach returned 19

    Machine Description : HP NoteBook Elite Book 650 i5 4300M Intel HD Graphics 4600 I encounter a display performance trouble with a fresh installation (less than a week). This machine runs a i915 regarding its configuration. From my point of view these is a problem with drm attachment. I've...
  10. I

    Solved Boot without loading kernel modules

    I installed a kernel module, which causes error while booting. Is there a way to boot without loading kernel modules, so I can remove it?
  11. J

    calling kernel space malloc get error

    ###Here is the errors I am getting. Below the error is the code I wrote, any help would be incredibly appreciated.!! Thanks! Can someone explained by I am getting implicit warning for malloc and Malloc_Define, I included the header files. I also would like to know how to fix the errors ...
  12. pcoppock1

    Compiling a Rust Kernel Module

    As part of an undergraduate project at the Georgia Institute of Technology I am attempting to compile a basic kernel module in Rust. I found this GitHub repository:, but the code is three years old, and I ran into an error I don't know how to fix. Since then...
  13. autumnontape

    Solved System resets when /boot/modules/i915kms.ko is loaded

    I've installed FreeBSD 12.1-RELEASE on a Lenovo Thinkpad X1 Yoga 1st Gen with an i7-6600U CPU and an Intel HD 520 IGP. I've followed the instructions in this blog post to set up root filesystem encryption with UEFI, though I had to move /etc/loader.conf to /boot/loader.conf after installing to...
  14. A

    Can malloc(9) return small chunks that cross a page boundary?

    From malloc(9): IMPLEMENTATION NOTES The memory allocator allocates memory in chunks that have size a power of two for requests up to the size of a page of memory. For larger requests, one or more pages is allocated. While it should not be relied upon, this information may...
  15. damjank

    FreeBSD 12.0-RELEASE Update successful but kernel modules can not be loaded anymore

    Hello Guys. I installed fresh installation of FreeBSD 12.0 minimal; I then installed minimal packages, the rest was done via ports. I did freebsd-update fetch in install - it wen along OK. Afterwords I get errors like: kldload: can't load pf: Operation not permitted and kldload: can't load...