Questions tagged [smbus]

SMBus is the System Management Bus defined by Intel® Corporation in 1995. It is used in personal computers and servers for low-speed system management communications.

5 questions
3
votes
1 answer

Intel SMBus UNCLAIMED

My laptop running Ubuntu 12.04.3 has this SMBus according to lspci: SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04) lshw command shows it as unclaimed. Which driver is needed to activate it?
Frantique
  • 8,435
  • 35
  • 51
2
votes
2 answers

Ubuntu 22.04 not starting after upgrading from 21.10 on HyperV

I've upgraded my Kubuntu 21.10 VM today, to 22.04 LTS. The install went fine, and everythin was upgraded. After it reboot, however, I'm simply met with the following message: SMBus base address uninitialized - upgrade BIOS or use…
Larnu
  • 215
  • 4
  • 20
1
vote
0 answers

i2cdetect - set lower speed

I heard that I must set lower speed for i2cdetect to get list of more connected deviced to my laptop but I can't find in man how to set lower speed. Obviously i2cdetect scans different ports at different speed. (I can see it visually as it scans)
Artem
  • 375
  • 1
  • 2
  • 10
0
votes
0 answers

External driver for LTC2946 - device_property_read_u32 issue

I created my own module driver for ltc2946 based on compiled-in ltc2945 module. I load my module using # insmod ltc2946.ko and instantiate device using: echo ltc2946 0x6f > /sys/bus/i2c/devices/i2c-0/new_device Question is how to pass…
0
votes
2 answers

Failed to enable SMBus PCI Device and Bluetooth Error

Just after powering up my laptop, the following message comes: [ 1.329900]i801_smbus 0000:00:1f.3: Failed to enable SMBus PCI device (-16)``` /dev/sda3: clean, 223082/30498816 files, 5175829/121964544 blocks [ 22.552755] Bluetooth: hci0:…