Date: Fri, 12 Nov 2010 17:00:11 +0300 From: "Alexander Zagrebin" <alexz@visp.ru> To: "'Andriy Gapon'" <avg@freebsd.org> Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: RE: 8.1-STABLE: problem with unmounting ZFS snapshots Message-ID: <FD7FC6ED159249338A04BE125941D146@vosz.local> In-Reply-To: <4CDD2F5F.2000902@freebsd.org> References: <D9ABDE54892A4D9285FE7FFA6E1B1B69@vosz.local> <4CDD2F5F.2000902@freebsd.org>
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Thanks for your reply! > > 2. the umount is waiting for disk > > #ps | egrep 'PID|umount' > > PID TT STAT TIME COMMAND > > 958 0 D+ 0:00,04 umount /mnt > > # procstat -t 958 > > PID TID COMM TDNAME CPU PRI > STATE WCHAN > > 958 100731 umount - 3 133 > sleep mntref > > procstat -kk <pid> $ ps a | grep umount 86874 2- D 0:00,06 umount /mnt 90433 3 S+ 0:00,01 grep umount $ sudo procstat -kk 86874 PID TID COMM TDNAME KSTACK 86874 100731 umount - mi_switch+0x176 sleepq_wait+0x42 _sleep+0x317 vfs_mount_destroy+0x5a dounmount+0x4d4 unmount+0x38b syscall+0x1cf Xfast_syscall+0xe2 -- Alexander Zagrebin
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