From mboxrd@z Thu Jan 1 00:00:00 1970 From: Edward Shishkin Subject: Re: reiser4[StorageManager(2383)]: lzo1_alloc... Date: Wed, 30 Aug 2017 11:29:36 +0200 Message-ID: <4908fc4e-583f-1507-7184-901681dcd263@gmail.com> References: <20170820171513.B783215FEAF@huitzilopochtli.metztli-it.com> <599C7CB1.6080408@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=J/lvxHOlh606W3ficIuxj6ekc8EZwfETbCuJ5TZoTZc=; b=c0wGJ2DeDwvLvyveEnj3xRvIcc6pgpORnnmCXA66uZIFwMnDUnQ0YLtIY+uqvgs6k/ PcvpFsQVviQYHMpMRjW2k7gnEWiDuW0Y8juVQto16O6N1MUSgqdTBx6vTc1/bHEtTw2Y wfwL7+J83iqtX1x02crTfc2jkw2KWuRbYTzP0yBiAxfEVOB/61/lwsbsh4KYSVN4tC3b A20kAv73bhUeFLcla/a8X52Mys4PZIN0PXsb1OS7i1TIy/qPyBg3zafKD3vHXnXVBSY+ ZFao499DqCutHNVOYlCxYCBvSNL8vYyBw/jqYkGXmKGomLhbqx5FqaJsYJaB3eYWa89d FREg== In-Reply-To: <599C7CB1.6080408@gmail.com> Content-Language: en-US Sender: reiserfs-devel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Reiserfs development mailing list Cc: Mathieu Belanger On 08/22/2017 08:49 PM, Edward Shishkin wrote: > Hello, > > Please, try the attached patches. > The first patch improves responsiveness to vm subsystem > (modified version of ->migratepage() Hi all, I found that the first patch leads to system lockups after ~1 hour of stress-testing. This is a side effect of appearing of non-parsed jnodes in writeback queues for some reasons. So please, drop it for now.. Thanks, Edward. > The second patch performs memory allocation in the critical > place with __GFP_NOFAIL flag. > Let us know about results. > > Thanks, > Edward. > > On 08/20/2017 07:15 PM, Metztli Information Technology wrote: >> Niltze, Ed- >> >> Although I am using your latest Reiser4 patch for Linux kernel 4.12.x >> on a test 1.2TB (transparent compression) reiser4 root fs, I have seen >> dmesg generate the following in lesser version patches and in much >> smaller partitions, i.e., 20Gb -- with transparent compression, too. >> >> Your input would be greatly appreciated: >> >> [ 3449.944653] reiser4[StorageManager(2383)]: lzo1_alloc >> (/mnt/chiucuetetl/usr/src/linux/fs/reiser4/plugin/compress/compress.c:241)[edward-878]: >> WARNING: alloc workspace for lzo1 (tfm action = 1) >> failed >> >> [ 3449.944674] reiser4[StorageManager(2383)]: lzo1_alloc >> (/mnt/chiucuetetl/usr/src/linux/fs/reiser4/plugin/compress/compress.c:241)[edward-878]: >> WARNING: alloc workspace for lzo1 (tfm action = 1) >> failed >> >> [ 3449.944694] reiser4[StorageManager(2383)]: lzo1_alloc >> (/mnt/chiucuetetl/usr/src/linux/fs/reiser4/plugin/compress/compress.c:241)[edward-878]: >> WARNING: alloc workspace for lzo1 (tfm action = 1) >> failed >> >> [ 3449.944715] reiser4[StorageManager(2383)]: lzo1_alloc >> (/mnt/chiucuetetl/usr/src/linux/fs/reiser4/plugin/compress/compress.c:241)[edward-878]: >> WARNING: alloc workspace for lzo1 (tfm action = 1) >> failed >> >> [snip] >> ( the above replicate for about two(2) thousand lines ) >> >> Please note that the error above is not immediate but is triggered >> possibly by multiple events run simultaneously, i.e., >> plugged 1TB USB hard disk with multiple partitions where copy >> operation to local disk is being run; another copy operation to-from >> local hard >> disk itself on same filesystem; installing additional packages, >> building local software, etc. >> >> Subsequently system slows down in latency and fan use increases in >> all instances. >> >> Thank you in advance for your insight. >> >> >> Best Professional Regards. >> -- >> To unsubscribe from this list: send the line "unsubscribe >> reiserfs-devel" in >> the body of a message tomajordomo@vger.kernel.org >> More majordomo info athttp://vger.kernel.org/majordomo-info.html >