Date: Thu, 04 Nov 2010 16:45:26 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: freebsd-current@FreeBSD.ORG, freebsd-fs@FreeBSD.ORG Subject: Re: processes stuck on a vnode lock Message-ID: <4CD2C706.6000100@icyb.net.ua> In-Reply-To: <4CD2656D.8050701@icyb.net.ua> References: <4CD2656D.8050701@icyb.net.ua>
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on 04/11/2010 09:49 Andriy Gapon said the following: > > I see a few processes stuck on the same vnode, trying to take or to upgrade to > an exclusive lock on it, while the lock data suggests that it is already > shared-locked. The vnode is a root vnode of one of ZFS filesystems (it's not a > global root). > > I couldn't find any (other) threads that could actually hold the vnode lock, but > lock shared count is suspiciously or coincidentally the same as number of > threads in zfs_root call. BTW, I still have the system alive and online, so if anyone has ideas I can try them. -- Andriy Gapon
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