Date: Wed, 24 Sep 2014 17:30:45 +0200 From: Peter Holm <peter@holm.cc> To: Konstantin Belousov <kostikbel@gmail.com> Cc: FreeBSD FS <freebsd-fs@freebsd.org> Subject: Re: Deadlock with umount -f involving tmpfs on top of ZFS on r271170 Message-ID: <20140924153045.GA15685@x2.osted.lan> In-Reply-To: <20140924134725.GI8870@kib.kiev.ua> References: <5420D5FC.4030600@FreeBSD.org> <20140923131244.GC8870@kib.kiev.ua> <5422240F.4080003@FreeBSD.org> <20140924102758.GH8870@kib.kiev.ua> <20140924132605.GA11772@x2.osted.lan> <20140924134725.GI8870@kib.kiev.ua>
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On Wed, Sep 24, 2014 at 04:47:25PM +0300, Konstantin Belousov wrote: > On Wed, Sep 24, 2014 at 03:26:05PM +0200, Peter Holm wrote: > > The patch is an improvement, but: > > > > http://people.freebsd.org/~pho/stress/log/kostik718.txt > > Does you load included both rename and link, or only one of those > syscalls ? I see a bug in the rename part of the patch, below is > the update. > Both. I have split the tests in two now. Uptime is by now one hour. I'll let that run for a few hours more, before switching to random tests. I did get this page fault once: http://people.freebsd.org/~pho/stress/log/kostik719.txt but I guess it's unrelated? I have recompiled uma_core.c and vm_pageout with "-O0" in case it shows up again. - Peter
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