Date: Wed, 28 Aug 2013 09:20:22 +0300 From: Daniel Braniss <danny@cs.huji.ac.il> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: another? NFS deadlock on 9.2-PRERELEASE Message-ID: <E1VEZ78-0002PT-If@kabab.cs.huji.ac.il> In-Reply-To: <161178921.14385682.1377634187359.JavaMail.root@uoguelph.ca> References: <161178921.14385682.1377634187359.JavaMail.root@uoguelph.ca>
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> 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. > > > > > > > > > > > > anyways, in > > > > > > ftp://ftp.cs.huji.ac.il/users/danny/freebsd/core.txt/0 > > > > > > > > > > > > is the info after a forced panic. > > > > > > > > > > > Looks like the same hang to me. Several threads are sleeping on > > > > > "pgrbwt" > > > > > and lots are waiting for an NFS vnode lock. > > > > > > > > > > It should be fixed in RC3 (or revert r250907). If it still > > > > > hangs > > > > > with > > > > > RC3 (or r250907 reverted), email again. > > > > > > > > > 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 > > > > > > > > I can't easely revert r250907, since i'm using mercuriall, but if > > > > someone > > > > can send me the pre r250907 files, i'll try. > > > > > The pre-r250907 version of uipc_syscalls is at: > http://people.freebsd.org/~rmacklem/uipc_syscalls.c > in case you want to try it. > thanks, I think I have a kernel pre r250907. In the meantime I did 2 things: 1- made the /(root) local - as opposed to nfs'ed 2- have a watchdog to reboot in case of hang the host has been up for more than 14hs ( i doubt it's because of 2 -) lets see how things develope thanks, danny > rick > > > > 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. > > > > > 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 > > ... > > > > danny > > > > > rick > > > > > > > thanks, > > > > danny > > > > > > > > > rick > > > > > > > > > > > my guts say its running out of resources - mainly network > > > > > > related, > > > > > > but > > > > > > can't pinpoint it. > > > > > > > > > > > > any help will be most welcomed > > > > > > > > > > > > cheers, > > > > > > danny > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > freebsd-stable@freebsd.org mailing list > > > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > > > To unsubscribe, send any mail to > > > > "freebsd-stable-unsubscribe@freebsd.org" > > > > > > > > > >
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