Date: Sat, 24 Aug 2013 23:55:15 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: J David <j.david.lists@gmail.com> Cc: Rick Macklem <rmacklem@uoguelph.ca>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: NFS deadlock on 9.2-Beta1 Message-ID: <20130824205515.GS4972@kib.kiev.ua> In-Reply-To: <CABXB=RTP%2Bv7dXfZW99umbUJTQN2-L07PPfKPkASpf8feO9X43A@mail.gmail.com> References: <CABXB=RSGrpUr34EdDu_6kab4nDm4NmYAoJZR8MPJOitpVzSNrA@mail.gmail.com> <158996730.12825374.1377265437471.JavaMail.root@uoguelph.ca> <CABXB=RTYZRs2okKu%2B3eZA1twNx%2B2J849Efo-8t=8ZSO3K9sRHw@mail.gmail.com> <20130824174103.GQ4972@kib.kiev.ua> <CABXB=RTLQ5NP1Y35SnF66uSM=eTscJJoy_w3XUGSrFoUvTFMaA@mail.gmail.com> <20130824193814.GR4972@kib.kiev.ua> <CABXB=RTP%2Bv7dXfZW99umbUJTQN2-L07PPfKPkASpf8feO9X43A@mail.gmail.com>
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--mD7kNQSobhB8uZXx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Aug 24, 2013 at 04:11:09PM -0400, J David wrote: > On Sat, Aug 24, 2013 at 3:38 PM, Konstantin Belousov > <kostikbel@gmail.com> wrote: > > No, at least not without reverting the r254754 first. The IGN_SBUSY pa= tch > > is not critical there. >=20 > There is lots of other stuff in r250907 / reverted by r254754. Some > of it looks important for sendfile() performance. If testing this > extensively in the next few days could help get that work back into > 9.2 we are happy to do it, but if it's too late then we can leave it > for those on stable/9. The revert in the r254754 is only a workaround for your workload, it does not fix the real issue, which can be reproduced by other means. I am not sure would re allow to merge the proper fix, since we are already somewhere in RC3. --mD7kNQSobhB8uZXx Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQIcBAEBAgAGBQJSGR2yAAoJEJDCuSvBvK1BPK0QAI/+EEd+Cz1AqvYWM6Hqv5VH cgtoNKS/igKmWCdJxCHFsDvBoL4P2BKSLRxUo2xPKsztV1P1SOp4ocqo/BJYCivi vzTM81p90zusw3DmVt1y/JoZveObeug9lmDIcl5GmhTE2kyVMoPDZ+Q85Z4l9FIU JyhVFmq6Dj89u0ECOO3F5DCwXJW9OJeRNZEBGDVR/KWZQQW6bXA/cIFOQJjbuKza iAacyTxqj+uitd+EnkhIHEZ27GhGcaOC1JGbRr24fmm0y38Mghob0s7GBn0M4vfw I0a381tjdU8plBwYOjmaDQAB9GcmL+KIRw3vJlMntMmXzhejwYYim2+2vSNmQxBr g97rc7RUxApJef/oAttQZ4A++Ev0M3YlL/EG48J/IDcIa0aQjM9sXxCAOjF9cz7K Afxg9OL7yVg3udSLVtF2SOJCkUr3SB6TRcDsN5yNH+DGnlqboUf/9XlgtjFsxVum smCwr+th/yr6SO5GaV/o/ZJJX4el3MbI0dX37DLEbT6NhmUUSJXtStqBDSaNHvNC UKLT9kl77ICdzVlstrUXUvwcAVtXMdOnqwdxL4L+JtOjmAg6FuzZX42YiCqXG0Bj nPzoqwja/pqxJEvzi1xIXFE+ctdxCltdz0P2D/BOfJhGsn1tYx4aHypyg9uHqxQb m3Y7Q6jpESLUh4morUwy =ZWw5 -----END PGP SIGNATURE----- --mD7kNQSobhB8uZXx--
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