Hello, Am 02.08.2017 um 14:29 schrieb Michal Hocko: > On Tue 01-08-17 12:32:40, Philipp Hahn wrote: >> ;TL,DR: apt-get is blocked by balance_dirty_pages() with linux-{3,16 >> 4.2, 4.9}, but fast after reboot. >> >> >> We still have several systems running 4.9.0-ucs104-686-pae. They have 16 >> GiB RAM and two disk: > > I would strongly discourage you from using 32b system with so much > memory. This will always bump into problems because of the inherent > kernel/userspace split. Also I would bet that the problem you are seeing > is the lack of lowmem memory which is considered for the dirty writers > throttling unless you have vm.highmem_is_dirtyable is set to 1 which is > not the case in your setup.
Thank you for the hint, I will give it a try. Philipp