Ubuntu
linux-hwe package

  1. Bug #1698118
  2. Comment #2

Comment 2 for bug 1698118

Revision history for this message
Alkis Georgopoulos (alkisg) wrote : Re: Slow disk writes after some uptime, only on certain hw and 4.4+ kernels

After long hours of testing, it appears that the problem goes away with
mem=12G
or lower in the kernel command line, and appears with
mem=13G
or any other value up to 16G that the system has.

Tomorrow I'll test sysctl vm.dirty_background_ratio=5;
feel free to suggest more tests.