Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [firmware]

Firmware is a permanent software programmed into a read-only memory for control, monitoring and data manipulation of engineered products and systems. Use this tag about firmware updates and related issues in Unix and Linux systems.

313 questions
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5 answers

Possible missing firmware /lib/firmware/i915/* for module i915

I am getting these warnings every time I update my initramfs image(-s) with update-initramfs on my Dell PowerEdge T20 server running GNU/Linux Debian Buster 10.0. Is there a fix? W: Possible missing firmware /lib/firmware/i915/bxt_dmc_ver1_07.bin…
Vlastimil Burián
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41
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1 answer

What is "firmware" in Linux terminology?

I'm being confused by the use of firmware in the context of Linux. My understanding of firmware & driver is that firmware is the code that runs on the bare metal of a device such as a Bluetooth IC, or keyboard controller, or video card, or a…
wopwop
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30
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1 answer

Debian stretch failed to load firmware rtl_nic/rtl8168g-3.fw (-2)

I'm getting this error in Debian stretch during the boot process [ 26.390311] r8169 0000:03:00.0: firmware: failed to load rtl_nic/rtl8168g-3.fw (-2) After that I continues the boot and works fine. Is there any firmware or driver missing?
lotfio
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21
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2 answers

TSC_DEADLINE disabled due to Errata

I sent my computer to the manufacturer for diagnosis and help for a video output issue it was having. They updated the BIOS. Since then I've been getting [Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x20…
RML
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16
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10 answers

How to flash firmware under Linux in practice?

Well, I am feeling too old for jumping through several burning hoops to upgrade several firmwares via the usual vendor-specific way: Download some DOS tools, waste some time creating a (Free-)DOS boot medium and wasting more time to make the BIOS…
maxschlepzig
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15
votes
6 answers

Disable GPE ACPI interrupts on boot?

If I look for ACPI interrupts, I find: /sys/firmware/acpi/interrupts/sci: 55414 /sys/firmware/acpi/interrupts/error: 0 /sys/firmware/acpi/interrupts/gpe00: 0 invalid /sys/firmware/acpi/interrupts/gpe01: 0 …
Naftuli Kay
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13
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1 answer

How do I install non-free firmware in Debian 12 (Bookworm)?

How do I install non-free firmware using the advanced package tool (APT) in Debian 12 (bookworm)?
Константин Ван
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13
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3 answers

ACPI region does not cover the entire command/response buffer

I'm experiencing system freezes and looking in the journal I see kernel (4.14.15-1-MANJARO) errors such as: kernel: tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xfed40000-0xfed4087f flags…
Tom Hale
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12
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2 answers

Update Firmware of Samsung 840 Pro

I have a Samsung 840 PRO Series SSD and want to update its firmware in order to find an alternative solution for this problem. I downloaded "Samsung Magician Software for Enterprise SSD" from this page because Samsung only offers magician for…
UTF-8
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11
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2 answers

How can I parse the microcode (ucode) in iwlwifi to get the version numbers?

I have an Intel wireless card driven by iwlwifi, and I can see the following message in dmesg: iwlwifi 0000:03:00.0: loaded firmware version 17.168.5.3 build 42301 Given that I know which blob is loaded, how I can find out the version of this blob…
daisy
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10
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4 answers

Firmware packages: What do they actually do?

On my CentOS, a yum update brings up the following: (6/38): iwl1000-firmware-39.31.5.1-62.el7_39.31.5.1-62.2.el7_5.noarch.drpm …
David Tonhofer
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9
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3 answers

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu 14.04 kernel 3.13.0-35-generic. OsIndications…
Pro Backup
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8
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1 answer

Why do some drivers still require firmware?

There are a ton of reverse-engineered drivers in the Linux kernel tree. Yet some drivers, especially wireless drivers, require firmware binary blobs to run properly. What prevents someone from reverse-engineering these, too, and making the driver…
strugee
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8
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8 answers

How do I install "non-free firmware" (wifi driver) from USB?

I'm dual-booting kali linux with windows 10. While boot installation kali linux asks for: Some of your hardware needs non-free firmware files to operate. The firmware can be loaded from removable media, such as a USB stick or floppy. The missing…
defalt
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8
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2 answers

How does linux load firmeware for built-in driver modules

I've learned that the firmware-subsystem uses udevd to copy a firmware to the created sysfs 'data' entry. But how does this work in case of a built-in driver module where udevd hasn't started yet? I'am using a 3.14 Kernel. TIA!
steffenp
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