I got done installing yesterday. Throughout configuring it , I've been noticing that it has terrible delays in the tty , right from first boot (so this has nothing to do with anything I might have installed) . I'm not going to install and a WM or DE so, this is quite painful.
I tried reading the Arch wiki and searching the forum and came across this. I'm not having the exact same problems , his issue is slow output, my issue is a lag before the output : after entering a command / quitting
vim / pressing enter after giving password during login , The cursor "
_ " just sits and blinks on the new line with no output for a very noticeable amount of time, when it ought to be instantaneous. But, his fix was setting
vga=offand GRUB2 has deprecated that so it fixes nothing now.
Am using Intel HD Graphics 4000 and 6000 , and on both machines, the problem persists.
What can be done ?
To visualise the issue , this is similar to how when you run
gcc on a large file and press [ENTER], so the cursor moves to the start of the next line in the tty and blinks for a while until the program exits and then the shell prompt is displayed, like :
I have the same issue at random when doing simple commands or sometimes when logging in, exiting vim, etc.
Some strange output lag is occurring between my input/program finishing and the shell displaying the output of said program and the prompt, as I can confirm by running
time and then my command : the time taken for the command is very very little, less than a second, and yet I end up waiting for 30-40 seconds before getting the output and prompt.
The same stuff is instantaneous on the install ISO, my Ubuntu install , and basically everywhere else.
I'm using the
linux-lts kernel but that shouldn't matter ?
dmesg : https://pastebin.com/GYp7mDqT
Did a bunch of testing in
bash --norc --noprofile with a file
tmp consisting of 256 MiB of zeros from
time cp tmp tst real 1m11.480s user 0m0.000s sys 0m0.348s
time sleep 1 real 0m1.002s user 0m0.001s sys 0m0.001s
Indicating that File I/O is somehow involved ? Considering that after writing to files, the system takes an abnormal amount of time to get back to giving me the necessary output ?