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3
votes
2answers
20k views

command to determine ports of a device (like /dev/ttyUSB0)

I have a question regarding the ports in Linux. If I connect my device via USB and want to check its port I cant do it using the command lsusb, which only specifies bus number and device number on ...
1
vote
1answer
3k views

What's the difference between 'no caching page mode present' and 'assuming drive cache. write through.'

Post-POST, post-BIOS screen, post-GRUB; when I boot Debian with a SD card or USB stick plugged in, one of the first things to pop up on the screen (so quickly that usually I don't even notice) looks a ...
3
votes
1answer
448 views

How can I stop “Timed out waiting for forcewake old ack to clear”?

Running Arch Linux with Intel i915 and onboard Intel graphics. If I do a dmesg, I get line after line of "[drm:__gen6_gt_force_wake_mt_get] ERROR Timed out waiting for forcewake old ack to clear". ...