** Attachment added: "ps -efly after overnight"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831751/+attachment/5268937/+files/ps-efly.after-overnight.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => TJ (tj)
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https://bugs.launchpad.net/bugs/1831751
Title:
Possible memory leak due to PCI AER faults even with pci=noaer
Status in linux package in Ubuntu:
In Progress
Bug description:
Hey, i got a memory leak on Ubuntu 18.04.2 even in console mode (no X/GUI)
the memory usage grows slowly to take all the available RAM when i let the
computer running over the night (with just top and irssi), and i have to reboot
to get things back to normal. I didn't have this problem on Ubuntu 17.10 but i
was still flooded with message about pci aer taking lots of disk space in the
logs, but pci=noaer fixed this problem and i had no memory leak.
The computer is a common laptop: HP Pavilion.
# nogui boot, free memory reported at startup:
total used free shared buff/cache available
8055940 239824 7335792 3256 480324 7567576
2097148 0 2097148
# after leaving overnight (user used 'free -m')
7867 6836 230 3 800 763
2047 0 2047
This will likely need a custom kernel build that enables
DEBUG_MEMLEAK, see https://www.kernel.org/doc/html/v4.18/dev-
tools/kmemleak.html for how to make use of it.
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