On Wed, Mar 13, 2019 at 03:22:27PM +0700, Robert Elz wrote: > [...] > > netbsd# df /tmp > Filesystem 1K-blocks Used Avail %Cap Mounted on > tmpfs 4 4 0 100% /tmp > > That's what it showed (it was still in my xterm scrollback buffer from > the window I use as the DomU console). So, no, df isn't showing space > allocated, just nothing available. Something had "stolen" all the available > ram, and wasn't letting go. > > It did not look as if there was no free memory however: > > netbsd# vmstat m > procs memory page disk faults cpu > r b avm fre flt re pi po fr sr x0 in sy cs us sy id > 0 0 34868 945956 264 0 0 0 0 0 15 428 426 119 0 0 100 > > but something as simple as attempting to read a man page (to check > what other options I could try): > > netbsd# man vmstat > man: Formatting manual page... > mandoc: stdout: No space left on device
I've seen this too. df showed my tmpfs as full (although there was only a few mb in the 'used' colum) , top was showing a few MB free RAM but lots of ram allocated to files (I have 8GB RAM). UVM could have freed some memory from the file cache for tmpfs ... -- Manuel Bouyer <bou...@antioche.eu.org> NetBSD: 26 ans d'experience feront toujours la difference --