Date: Tue, 02 Aug 2016 13:57:49 -0600 From: Ian Lepore <ian@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com>, stable@freebsd.org Subject: Re: Call for testing: VM bugs in 10.3 Message-ID: <1470167869.1283.47.camel@freebsd.org> In-Reply-To: <20160802192538.GQ83214@kib.kiev.ua> References: <20160802192538.GQ83214@kib.kiev.ua>
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On Tue, 2016-08-02 at 22:25 +0300, Konstantin Belousov wrote: > Below is the merge of some high-profile virtual memory subsystem bug > fixes from stable/10 to 10.3. I merged fixes for bugs reported by > users, issues which are even theoretically unlikely to occur in real > world loads, are not included into the patch set. The later is mostly > corrections for the handling of radix insertion failures. Included > fixes > are for random SIGSEGV delivered to processes, hangs on "vodead" > state > on filesystem operations, and several others. > > List of the merged revisions: > r301184 prevent parallel object collapses, fixes object lifecycle > r301436 do not leak the vm object lock, fixes overcommit disable > r302243 avoid the active object marking for vm.vmtotal sysctl, fixes > "vodead" hangs > r302513 vm_fault() race with the vm_object_collapse(), fixes spurious > SIGSEGV > r303291 postpone BO_DEAD, fixes panic on fast vnode reclaim > > I am asking for some testing, it is not necessary for your system to > exhibit the problematic behaviour for your testing to be useful. I am > more looking for smoke-testing kind of confirmation that patch is > fine. > Neither I nor people who usually help me with testing, run 10.3 > systems. > > If everything appear to be fine, my intent is to ask re/so to issue > Errata Notice with these changes in about a week from now. > > Index: sys/kern/vfs_subr.c > [...] I run 10-stable on my everyday desktop/build machine, but my mail client ruined the format of the patches. Can I just 'svn up' on the 10 -stable branch and then MFC the revs you list above, or are there hand -tweaks to the patches you attached? -- Ian
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