Before downgrading, could you follow the instructions of the section
"error_log" on https://wiki.ubuntu.com/DebuggingPrintingProblems and
provide us the error_log of the time between boot and the first job,
when CUPS is hogging the CPU? Thanks.
** Changed in: cups (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1835957
Title:
cupsd gobbles up resources
Status in cups package in Ubuntu:
Incomplete
Bug description:
My computer has got very slow since 4 or 5 weeks. Finally, I checked
resource usage with <top> and the culprit seems to be cupsd. Here is
an output line from a few minutes after boot:
30900 root 20 0 305452 287396 5768 S 5,3 9,3 0:41.34
cupsd
Then after an hour and a half (with nothing printed):
30900 root 20 0 2565692 2,125g 2240 R 79,0 71,9 93:01.45
cupsd
So %CPU grows 5,3 -> 79,0 and %MEM, 9,3 -> 71,9. Not good.
A user on a local forum asked whether printing anything helped, and,
certainly, it did. After I did (print something), cupsd was happy with
less than 1% of CPU and MEM.
So if I print something after every boot, the problem does go away.
But that is not really a solution, is it?
Running Lubuntu 16.04.6 LTS (32-bit). cups version is
2.1.3-4ubuntu0.9.
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