Date: Tue, 29 Jan 2013 10:20:48 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Garrett Wollman <wollman@FreeBSD.org> Cc: freebsd-fs@FreeBSD.org, freebsd-stable@FreeBSD.org Subject: Re: ZFS deadlock on rrl->rr_ -- look familiar to anyone? Message-ID: <51078660.8000004@FreeBSD.org> In-Reply-To: <20743.16429.97668.569869@hergotha.csail.mit.edu> References: <20743.16429.97668.569869@hergotha.csail.mit.edu>
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on 29/01/2013 05:21 Garrett Wollman said the following: > When > I restarted mountd, it hung waiting on rrl->rr_, but the system may > already have been deadlocked at that point. procstat reported: > > 87678 104365 mountd - mi_switch sleepq_wait _cv_wait rrw_enter zfs_root lookup namei vfs_donmount sys_nmount amd64_syscall Xfast_syscall ... > If it happens again procstat -kk -a -- Andriy Gapon
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