Date: Mon, 11 Mar 2013 23:22:19 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: =?windows-1252?Q?Uro=9A_Gruber?= <uros.gruber@gmail.com> Cc: freebsd-fs@FreeBSD.org Subject: Re: zfs hang with umount Message-ID: <513E4B0B.3090807@FreeBSD.org> In-Reply-To: <CAHGMo95Giii7ttxbNVEL1BKez5BGhktqBqamuuSd91n2yReiWw@mail.gmail.com> References: <CAHGMo95Giii7ttxbNVEL1BKez5BGhktqBqamuuSd91n2yReiWw@mail.gmail.com>
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on 11/03/2013 20:20 Uroš Gruber said the following: > Hi, > > I don't know what causes this, but while stopping one of jails I also > run zfs inherit mountpoint on this jails fs. This jail was in stopping > state at this moment. Process than hanged in D state. Then I was doing > some stuff on the server, and while "zfs unmount -f" of that fs, > server chrased. Now everytime I wan't to unmount that fs process hang. > I've managed to send & receive this fs to other fs and mounted > sucessfuly. > > Before I reboot and try to destroy this fs, here is output of procstat > -k PID (zfs umount zroot/myfs) > > PID TID COMM TDNAME KSTACK > 3937 100559 zfs - mi_switch > sleepq_timedwait _sleep zfs_zget zfs_get_data zil_commit > zfs_freebsd_write VOP_WRITE_APV vnode_pager_generic_putpages > vnode_pager_putpages vm_pageout_flush vm_object_page_collect_flush > vm_object_page_clean vm_object_terminate vnode_destroy_vobject > zfs_freebsd_reclaim vgonel vflush > > Is there anything I can check or is this know bug? > > Server is running on 9.1-RELEASE This should be fixed in stable/9. -- Andriy Gapon
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