Date: Mon, 13 May 2013 16:33:04 +0200 From: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com> To: "current@freebsd.org" <current@freebsd.org> Subject: Re: FreeBSD-HEAD gets stuck on vnode operations Message-ID: <5190F9A0.3000005@citrix.com> In-Reply-To: <5190CBEC.5000704@citrix.com> References: <5190CBEC.5000704@citrix.com>
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On 13/05/13 13:18, Roger Pau Monné wrote: > The VM can be stuck in this state for quite some time, it generally I would like to explain this a little bit more, the syncer process doesn't get blocked on the _mtx_trylock_flags_ call, it just continues looping forever in what seems to be an endless loop around mnt_vnode_next_active/ffs_sync. Also while in this state there is no noticeable disk activity, so I'm unsure of what is happening. > varies between a couple of minutes (5-10min) to an hour or two, after > this the VM recovers itself and resumes normal operation. I still have > to test this on a bare metal FreeBSD install, but I would like to ask > if someone has seen a similar behaviour, or if someone is suspicious of > a change that could cause this.
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