Date: Wed, 9 Aug 2017 11:45:46 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Gautam <list@execve.net> Cc: freebsd-hackers@freebsd.org Subject: Re: Freebsd 11.0 - system freeze on intensive I/O Message-ID: <20170809084546.GQ1700@kib.kiev.ua> In-Reply-To: <CAD9pFYAAy8jKcABNTun-Y3knrbUreQ7q1-CCj=323HgLMC5e6g@mail.gmail.com> References: <CAD9pFYAAy8jKcABNTun-Y3knrbUreQ7q1-CCj=323HgLMC5e6g@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Aug 09, 2017 at 12:41:02PM +0530, Gautam wrote: > Hi, > > I raised this topic on freebsd-questions where I suspect a bug caused due > to swapfile usage on FreeBSD. > > You could read details in the below thread, but summary is that with using > a swapfile (not a swap partition) the system freezes on some single process > intensive I/O. This is 100% reproducible. Also this is expected. > > http://marc.info/?l=freebsd-questions&m=150088763825675&w=2 > > I raised a PR - 220971 ; but there are no backtraces / logs etc. that could > possibly help. See https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html > > I would like to help narrow this down, but do not know how. Any suggestions > on how to debug a system freeze and what I need to do ? I could then try to > reproduce this and collect the needed information - traces etc. > > Thanks, > Gautam > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20170809084546.GQ1700>