Date: Sun, 20 Oct 2019 17:43:17 -0700 From: bob prohaska <fbsd@www.zefox.net> To: Warner Losh <imp@bsdimp.com> Cc: freebsd-arm@freebsd.org Subject: Re: Swap_pager messages when no swap is in use Message-ID: <20191021004317.GB14127@www.zefox.net> In-Reply-To: <CANCZdfqpH61iaZFXJsdTJhJE%2B95=FXvit6AjvomFOZkMe=8XYg@mail.gmail.com> References: <20191021000433.GA14127@www.zefox.net> <CANCZdfqpH61iaZFXJsdTJhJE%2B95=FXvit6AjvomFOZkMe=8XYg@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Oct 20, 2019 at 06:14:37PM -0600, Warner Losh wrote: > On Sun, Oct 20, 2019, 6:04 PM bob prohaska <fbsd@www.zefox.net> wrote: > > > While running svnlite to update sources on a Pi3 running -currrent > > I was surprised to notice a flurry of > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 133095, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 136056, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 140560, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 134290, size: 8192 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 124869, size: 16384 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 125113, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 142799, size: 4096 > > messages when no swap seemed to be in use. Gstat reported much congestion > > of the microSD card, holding / and half the swap, but there was no obvious > > activity reading or writing swap, just the root partition. > > > > Should this be considered normal? It strikes me as very odd. > > > > It took more than 30s for the IO to complete. Sadly, this is normal for > cheap SD cards. > Ok, but why is the swapping system complaining when there's no swapping going on? Thanks for reading, bob prohaska
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20191021004317.GB14127>