From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f71.google.com (mail-lf0-f71.google.com [209.85.215.71]) by kanga.kvack.org (Postfix) with ESMTP id A734D6B0033 for ; Wed, 25 Jan 2017 01:42:18 -0500 (EST) Received: by mail-lf0-f71.google.com with SMTP id x1so82188707lff.6 for ; Tue, 24 Jan 2017 22:42:18 -0800 (PST) Received: from smtp42.i.mail.ru (smtp42.i.mail.ru. [94.100.177.102]) by mx.google.com with ESMTPS id f41si14032556lfi.422.2017.01.24.22.42.16 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 24 Jan 2017 22:42:16 -0800 (PST) Message-ID: <1485326535.26401.2.camel@list.ru> Subject: Re: [Bug 192571] zswap + zram enabled BUG From: Alexandr Date: Wed, 25 Jan 2017 09:42:15 +0300 In-Reply-To: References: <20170117122249.815342d95117c3f444acc952@linux-foundation.org> <20170118013948.GA580@jagdpanzerIV.localdomain> <1484719121.25232.1.camel@list.ru> <1485216185.5952.2.camel@list.ru> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Dan Streetman Cc: bugzilla-daemon@bugzilla.kernel.org, Linux-MM -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 D? D?N?, 24/01/2017 D2 15:16 -0500, Dan Streetman D?D,N?DuN?: > On Mon, Jan 23, 2017 at 7:03 PM, Alexandr wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA512 > > > > > > > Why would you do this?A A 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.A A 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. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEl/sA7WQg6czXWI/dsEApXVthX7wFAliISMcACgkQsEApXVth X7zgMA/+KoI1rdpCfJdxrihlkKavJcfYR/EoI4FGzQadJb6mZSihzuHcLVcIhiLV VH+9HNADgygur//EQMAsliqT7HNxdEIpouMU/4w9dDxWiUFaAFo6kQYztVSQog8X Kd3zJ1YagxSOXv0yx/OiR40/NwXygLSW8zRQ0rVwOIO6TF05lJYUA5QQ6F+izHGB syNDQUwOukQ8Bcaxctic+uE/nn55ufkHMyjCtlQG2jG6/gk1590fzxugsk69U0Ou qq8zFyShhYQ2onw36cJWi62rXpKvj7mj/suo7FwwmmLBS2R9jcrQILTnYnhAM+YH JkVsIjXJrIWGLd3jeFpHwJMmvuMe5jPT3ppGGx3m4QbdRe+DAujT+5bWaQC5ubnN 4H84h6kGEsNTelf2rfZs58MomQy61adgSwKqMpOw81b/H11fYuZTVmlqBkyFKzos 0fkSTdkpHXSoKkLw6sgr2ch+jLJanR29+T9VRuR2m4+PRdLrUZF3L5HBejYDkE5O 3eF+eR/cVXoyZleVUAJaG7KAM+P8KEvz5kZAOOTGixFM23L1KnIRejYcjpYgKGkG Q4k5+w56ONkzmL6IKqx5eOHstCxSl1R/uKNNN9rwrq1sRuRUpcQlxFfneVS7U9eo pKYcoyO/yiYKdXTH82d/LJBf6yISZcwMsBSPciSWXQuLPtvkeNE= =PnJw -----END PGP SIGNATURE----- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org