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Re: Weird vnodes use count



> On 18. Jun 2020, at 11:20, Lars Reichardt <lars%paradoxon.info@localhost> wrote:
> 
> Hi,
> 
> currently I see these use counts on NetBSD current (amd64):
> 
> 190698 active vnodes
> *** MOUNT ffs /dev/sd0a on / (log,local,root file system)
> ADDR             TYP VFLAG  USE HOLD TAG NPAGE FILEID IFLAG RDEV|SZ
> ffff957a316fd4c0 dir    RM -2147483630 1 1   0      2     -     512

This is the result of an embedded flag bit:
-2147483630 == 0x80000012 -> (loaded, usecount 18).

Andrew, could this become a problem for the pagedaemon?

> All use counts are like that and on reaching a low memory situation the
> pagedaemon starts spinning and can't free anything.
> 
> This might be the cause of some other reports of pagedaemon spinning.
> I'll try to take a look if time allows.
> 
> Lars
> 
> --
> You will continue to suffer
> if you have an emotional reaction to everything that is said to you.
> True power is sitting back and observing everything with logic.
> If words control you that means everyone else can control you.
> Breathe and allow things to pass.
> 
> --- Bruce Lee

--
J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig

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