From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755979AbbE2MP7 (ORCPT ); Fri, 29 May 2015 08:15:59 -0400 Received: from mx.mylinuxtime.de ([148.251.109.235]:32979 "EHLO mx.mylinuxtime.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753782AbbE2MPw (ORCPT ); Fri, 29 May 2015 08:15:52 -0400 DKIM-Filter: OpenDKIM Filter v2.9.2 mx.mylinuxtime.de 6435224AF9 Date: Fri, 29 May 2015 14:15:40 +0200 From: Christian Hesse To: Ming Lei Cc: Linux Kernel Mailing List Subject: Re: task kworker / kloopd blocked for more than 120 seconds Message-ID: <20150529141540.0b78657d@leda.localdomain> In-Reply-To: References: <20150528113759.03088f57@leda.localdomain> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.28; x86_64-unknown-linux-gnu) X-Face: %O:rCSkHSKf7^4uF|FD$9$I0}g$nbnS1{DYPvs#:,~e`).mzj\$P9]V!WCveE/XdbL,L!{)6v%x4\Bt!b#{;dS&h"7l=ow'^({02!2%XOugod|u*mYBVm-OS:VpZ"ZrRA4[Q&zye,^j;ftj!Hxx\1@;LM)Pz)|B%1#sfF;s;,N?*K*^) Face: 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 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/nTLf7dE.0.0gal5S=YoTjKR"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/nTLf7dE.0.0gal5S=YoTjKR Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Ming Lei on Thu, 2015/05/28 20:20: On Thu, May 28, 2015 at 5:37 PM, Christian Hesse wrote: > > Assembling the root filesystem stack always succeeds, but sometimes boot > > hangs with a lot of: =20 >=20 > Could you try the following two patches to see if they can fix your issue? >=20 > http://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/commit/= ?h=3Dfor-next&id=3Df4aa4c7bbac6c4afdd4adccf90898c1a3685396d >=20 > http://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/commit/= ?h=3Dfor-next&id=3D4d4e41aef9429872ea3b105e83426941f7185ab6 Sounds reasonable. System works perfectly stable and reliable since booted with a patched kernel. Thanks a lot for the hint! Looks like the changes did not make it into Linus' tree yet. So it will take some time for the patches to show up in a stable release, no? --=20 main(a){char*c=3D/* Schoene Gruesse */"B?IJj;MEH" "CX:;",b;for(a/* Chris get my mail address: */=3D0;b=3Dc[a+= +];) putchar(b-1/(/* gcc -o sig sig.c && ./sig */b/42*2-3)*42);} --Sig_/nTLf7dE.0.0gal5S=YoTjKR Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVaFhsAAoJEIlFIdfMgPR2oAoH/2Rr7p0TJkXDcbIHu9ps1FTA iX3htOAWxEGxKmIbQprufRcLN3K1ifKz+Xw+WmewZ91BcOWzZeGrQ8bwcMr0HK/x USKr1Oowddlwt1NpdvmqF0hn3fA3uobg0Nj6ve5ZBm1ooR5agNNLempMpDS/qTu3 U70wNrAzmN4Tvzhch8lcicIR6pXlhmHY1f73TIKmqY5xOmG8I1sC6YycNNcPxUgs P4JudjUR+ipR4Mvmlqm/xLCoppG4W7IcC7OA7wRGJ2VCgHwD3lxOC8ejh9RBpI/+ f6LRDGBBAS4hdtI7gPEAraB1KNnhj/glwnQ42Lss2GkCQfk+l+JD2norsVu0q4g= =nYrm -----END PGP SIGNATURE----- --Sig_/nTLf7dE.0.0gal5S=YoTjKR--