From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751061AbdJAK0u (ORCPT ); Sun, 1 Oct 2017 06:26:50 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:47018 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750849AbdJAK0t (ORCPT ); Sun, 1 Oct 2017 06:26:49 -0400 Date: Sun, 1 Oct 2017 12:26:47 +0200 From: Pavel Machek To: kernel list , adrian.hunter@intel.com, linux-mmc@vger.kernel.org Cc: linux-mm@kvack.org, penguin-kernel@I-love.SAKURA.ne.jp Subject: Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Message-ID: <20171001102647.GA23908@amd> References: <20170905194739.GA31241@amd> <20171001093704.GA12626@amd> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3V7upXqbjpZ4EhLz" Content-Disposition: inline In-Reply-To: <20171001093704.GA12626@amd> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3V7upXqbjpZ4EhLz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > I inserted u-SD card, only to realize that it is not detected as it > should be. And dmesg indeed reveals: Tetsuo asked me to report this to linux-mm. But 2^4 is 16 pages, IIRC that can't be expected to work reliably, and thus this sounds like MMC bug, not mm bug. > [10994.299846] mmc0: new high speed SDHC card at address 0003 > [10994.302196] kworker/2:1: page allocation failure: order:4, > mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=3D(null) > [10994.302212] CPU: 2 PID: 9500 Comm: kworker/2:1 Not tainted > 4.14.0-rc2 #135 > [10994.302215] Hardware name: LENOVO 42872WU/42872WU, BIOS 8DET73WW > (1.43 ) 10/12/2016 > [10994.302222] Workqueue: events_freezable mmc_rescan > [10994.302227] Call Trace: > [10994.302233] dump_stack+0x4d/0x67 > [10994.302239] warn_alloc+0xde/0x180 > [10994.302243] __alloc_pages_nodemask+0xaa4/0xd30 > [10994.302249] ? cache_alloc_refill+0xb73/0xc10 > [10994.302252] cache_alloc_refill+0x101/0xc10 > [10994.302258] ? mmc_init_request+0x2d/0xd0 > [10994.302262] ? mmc_init_request+0x2d/0xd0 > [10994.302265] __kmalloc+0xaf/0xe0 > [10994.302269] mmc_init_request+0x2d/0xd0 > [10994.302273] alloc_request_size+0x45/0x60 > [10994.302276] ? free_request_size+0x30/0x30 > [10994.302280] mempool_create_node+0xd7/0x130 > [10994.302283] ? alloc_request_simple+0x20/0x20 > [10994.302287] blk_init_rl+0xe8/0x110 > [10994.302290] blk_init_allocated_queue+0x70/0x180 > [10994.302294] mmc_init_queue+0xdd/0x370 > [10994.302297] mmc_blk_alloc_req+0xf6/0x340 > [10994.302301] mmc_blk_probe+0x18b/0x4e0 > [10994.302305] mmc_bus_probe+0x12/0x20 > [10994.302309] driver_probe_device+0x2f4/0x490 >=20 > Order 4 allocations are not supposed to be reliable... >=20 > Any ideas? >=20 > Thanks, > Pavel >=20 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --3V7upXqbjpZ4EhLz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlnQwucACgkQMOfwapXb+vJIOgCeOp31R5cr2P9NfuUCE1eCr54j 9XQAn2h313lplci/1QWrqE4CLmjRThDs =iZ0V -----END PGP SIGNATURE----- --3V7upXqbjpZ4EhLz--