Date: Tue, 27 Aug 2013 17:04:12 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: Rick Macklem <rmacklem@uoguelph.ca>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: another? NFS deadlock on 9.2-PRERELEASE Message-ID: <20130827140412.GQ4972@kib.kiev.ua> In-Reply-To: <E1VEJoc-000IG5-1b@kabab.cs.huji.ac.il> References: <1740270726.14074212.1377605362382.JavaMail.root@uoguelph.ca> <E1VEJoc-000IG5-1b@kabab.cs.huji.ac.il>
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--wdMRLhhF94AmkTAJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 27, 2013 at 05:00:14PM +0300, Daniel Braniss wrote: > > Daniel Braniss wrote: > > > > Daniel Braniss wrote: > > > > > I upgraded our web server, and only after 3 hours it hung :-( > > > > > (as a side note, I have 2 other web servers, also running 9.2 > > > > > doing > > > > > great :-) > > > > > go figure. > > > > >=20 > > > > > anyways, in > > > > > ftp://ftp.cs.huji.ac.il/users/danny/freebsd/core.txt/0 > > > > >=20 > > > > > is the info after a forced panic. > > > > >=20 > > > > Looks like the same hang to me. Several threads are sleeping on > > > > "pgrbwt" > > > > and lots are waiting for an NFS vnode lock. > > > >=20 > > > > It should be fixed in RC3 (or revert r250907). If it still hangs > > > > with > > > > RC3 (or r250907 reverted), email again. > > > >=20 > > > im following stable, hence it's till calling itself 9.2-PRERELEASE, > > > but > > > I did a sync this morning - local time, after rc3 was anounced. > > > but after 3.45 minutes is hung, data in > > > ftp://ftp.cs.huji.ac.il/users/danny/freebsd/core.txt/1 > > >=20 > > > I can't easely revert r250907, since i'm using mercuriall, but if > > > someone > > > can send me the pre r250907 files, i'll try. > > >=20 > > r254947, which was committed to stable/9 a few hours ago is believed to > > fix the problem. Please update your stable/9 to post-r254947 and try it. > >=20 > the current kernel has that fix (sys/kern/uipc_syscalls.c) > and if you check the core.txt/1 you will see no pgrbwt, only newnsf ... There is almost no useful information in the core.txt/1. Provide the known data for the deadlock. --wdMRLhhF94AmkTAJ Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQIcBAEBAgAGBQJSHLHbAAoJEJDCuSvBvK1BTpkP/0rAbMaQY5fluHUVrKgAL7j/ atmBubhUCw/fGCAgSVFhishEnHsLkt/is9z/hLvcf5SHGhpl8ItfRZtkAf5O7Lol ZU+GDsF3PvWr/6QOouoIP8xcVm2ofcXoUC+dncW3wXUfK9dWnv6PnPENK6H2kcqa 2NAq42nS+zC9/N7hEs1tKqNYkvI88+thsg5gd794InNfSaInPLsLo7YESvzSyPDy hqdZlcgNh/G45MW/Sz0PijH6dWIyLNxI5erFisrPYjH8WO0amph7tPL8UHeOhLyw 38ttERjUt/T/XeuIDUqEfG/iUBrxSMx8c2FKUpd1gvCzauWmhY+NTJ5mDDieWI3q MvSykmr5OG35Ry1W5qFtqT4klIB+SciB1T3xuhJA0ehAmeZNallaNzYBzN2kY7Xz 8jt1eGOLtetotAg0TZ8KReUrPKxuIxE1oGB+2F/VMlASGwJ001wlo3EinPMcAARg QwjOTDm+UeVCi2KBohOPRia3VliXeviA7PeyMFvrYoK4m7vsiR1dOcynnG0A8kud ZQFp8v+HJOty74t+4W3dVEQ3HSwUbrytdwUk3+1+e9gL8pBh77wkw4xE8kxyYgKY q7b+Dqc7eV/OdOVIkMHiOM8lid+fndLbsAX8mi68wQlLmH0P+8o3UhcQBVhfrsr9 fR+Yikq72uxcOk6wxg0U =OoJ0 -----END PGP SIGNATURE----- --wdMRLhhF94AmkTAJ--
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