Date: Wed, 04 Nov 2009 09:27:06 -0500 From: Jacob Myers <jacob@whotookspaz.org> To: Jaime Bozza <jbozza@mindsites.com> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>, Arnaud Houdelette <arnaud.houdelette@tzim.net> Subject: Re: Possible scheduler (SCHED_ULE) bug? Message-ID: <4AF18F3A.50804@whotookspaz.org> In-Reply-To: <CF092998EA82AE4D83AF9C9ECA9A8BDE02EB411A99@ATLAS.msg.local> References: <CF092998EA82AE4D83AF9C9ECA9A8BDE02EB411A85@ATLAS.msg.local> <d5992baf0910231149qa4e89fdx2e1cde9b2a529cd3@mail.gmail.com> <CF092998EA82AE4D83AF9C9ECA9A8BDE02EB411A8E@ATLAS.msg.local> <4AE2232E.10406@whotookspaz.org> <CF092998EA82AE4D83AF9C9ECA9A8BDE02EB411A8F@ATLAS.msg.local> <4AE59FBE.6060904@tzim.net> <CF092998EA82AE4D83AF9C9ECA9A8BDE02EB411A99@ATLAS.msg.local>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig2D31DACA667921DCD3B321D1 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Jaime Bozza wrote: > From: Arnaud Houdelette [mailto:arnaud.houdelette@tzim.net] >> I haven't tried larger files - Maybe the boundary is different on amd6= 4? Doing some quick tests >> right now, I was able to upload a 100MB file without a problem, but th= is is an AMD64 system with SMP, >> plus the filesystem is all ZFS, so there are too many things different= =2E I'll have to setup a system >> that closely mirrors the rest of my tests (UFS, ULE, no SMP, etc) befo= re I can say I'm not having a >> problem there. >>> Jaime >>> >> I had the same issue using 7.1 amd64, with ZFS, no SMP. >> Not really sure what is the size boundary. I can't really test either,= >> as the machine is remote. >> But I confirm that each tentative upload of certain relatively 'big' >> files (around 1MB) with wordpress hanged the system before I switched >> from sendfile to writev. >> >> I might do some test on amd64 7.2 with no SMP if it can be of any use = ? >> >> Arnaud >=20 > I was able to duplicate the problem on 7.2-STABLE amd64 no SMP - Proble= m didn't seem to happen with SMP on. While I wasn't able to get a crash = dump, the crash looked similar. >=20 > Jaime >=20 FWIW, there was a fix committed for this: http://svn.freebsd.org/viewvc/base?view=3Drevision&revision=3D198853 See if it helps. --=20 Jacob Myers <Jacob@whotookspaz.org> | Website: http://whotookspaz.org Network Admin, Wilcox Technologies | Public key: 186A424A Using FreeBSD since 2007 | Public shell: http://bit.ly/42iGCR Answer a fool according to his folly, lest he be wise in his own conceit -- Proverbs, 26:5 --------------enig2D31DACA667921DCD3B321D1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQIcBAEBAgAGBQJK8Y9JAAoJEA933foYakKkmCsP+gLuXVqACvIyeyJA8QKsbeiq JDERmsgaXdlvLjeP4YrnR/Ldo/2+cKFjrvPpZ2jfj1TKVMcIpSs4nJv8MlLGAjSe IwRYaAfxdrG1te5GJlY/3rRuiRSTpOZTEOJFOVceALXAiJljGegNzlTpkFhARim3 s/90UA2Jz7OeNig585PFzXoXMLpzxi0vyYIczK2HElv1mgMja+0q1dLHBdPf/CBM HNyo0bgBWnAYrFUDQMTTe0ItTE0z5E85QhtbUcMqZ87rF7yD7trCUu9c6m6vIbis 5RFAkEna2Aqd99CE1/dmMbNxrT65ddkP5nGPgWBIr1WrHCg0WIb8kAI+kcRzCYod jvRCups9wKHcwcexycY3d/BuS3p4I48QQBnxumCy7377Nx5tKAEphhdWQKc1Yypf QfuV1OGE3AqqoNQCaDEWM2a9T2QJwm08u34kINrenNmTsTzWUsb64LnZAlMoi/fb FGQYcXUFQOmXAGu6qG4KKxZxzm9XmKJzdxF96CPIMxqLuFyZud/07Y1xAC721Tgh KNylzC8jhUS6tDmUGotUT7YcV+n1MdKghwPsWpX5GkVDCXU+RO6YFuzT3x8G5LiK Dut1SQeMn/D97pg8irUOxR+Qsbp6awbycUwcLPqSPo3YFUjx0Ae2X/BfLgQluO5K CiCQZ7znlekc4fUl4591 =+sn6 -----END PGP SIGNATURE----- --------------enig2D31DACA667921DCD3B321D1--
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