Re: [Bug 192571] zswap + zram enabled BUG

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В Вт, 24/01/2017 в 15:16 -0500, Dan Streetman пишет:
> On Mon, Jan 23, 2017 at 7:03 PM, Alexandr <sss123next@xxxxxxx> wrote:
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> > 
> > > Why would you do this?  There's no benefit of using zswap
> > > together
> > > with zram.
> > 
> > i just wanted to test zram and zswap, i still not dig to deep in
> > it,
> > but what i wanted is to use zram swap (with zswap disabled), and if
> > it
> > exceeded use real swap on block device with zswap enabled.
> 
> I don't believe that's possible, you can't enable zswap for only
> specific swap devices; and anyway, if you fill up zram, you won't
> really have any memory left for zswap to use will you?
> 
> However, it shouldn't encounter any BUG(), like you saw.  If it's
> reproducable for you, can you give details on how to reproduce it?
it happened only once, and i am noticed it only because few
applications hang, but i can run this setup for a while,  and let know
if it happen again, it happened on io and memory intensive app, this
machine have heavy load sometime, so i think it may happen again.
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