On Tue, Apr 10, 2007 at 11:03:49AM +0400, Andrey V. Elsukov wrote: > Kris Kennaway wrote: > >I thought that is what the claim was, and the question was how to make > >it visible :) > > Yes, thanks for the answer. Now i've been locked up in the "zfs" > state :) > > How to repeat: > # zfs set snapdir=visible media/disk3/src > # ls -la media/disk3/src/.zfs \o/ You might need to recompile with DEBUG_LOCKS and DEBUG_VFS_LOCKS and do 'show lockedvnods', but maybe this is trivially reproducible. Kris > > -- > WBR, Andrey V. Elsukov > UID PID PPID CPU PRI NI VSZ RSS MWCHAN STAT TT TIME COMMAND > 0 1455 1127 0 -4 0 18032 3896 zfs D+ v0 0:00,01 mc > 0 1462 1457 0 -4 0 3416 1236 zfs T+ p0 0:00,00 ls -lA > > db> trace 1462 > Tracing pid 1462 tid 100061 td 0xc29c81b0 > sched_switch(c29c81b0,0,1) at sched_switch+0xc7 > mi_switch(1,0) at mi_switch+0x1d4 > sleepq_switch(c3404d18) at sleepq_switch+0x8a > sleepq_wait(c3404d18,50,0,0,c07315e4,...) at sleepq_wait+0x36 > _sleep(c3404d18,c076f340,50,c2946f6f,0,...) at _sleep+0x24d > acquire(d3b2e728,80,60000,d3b2e708,d3b2e70c,...) at acquire+0x73 > _lockmgr(c3404d18,3002,c3404d48,c29c81b0,c2941e7b,...) at _lockmgr+0x442 > vop_stdlock(d3b2e770) at vop_stdlock+0x27 > _VOP_LOCK_APV(c294abc0,d3b2e770) at _VOP_LOCK_APV+0x38 > _vn_lock(c3404cc0,1002,c29c81b0,c2941e7b,c4,...) at _vn_lock+0xf8 > domount(c29c81b0,c3404cc0,c2946f6f,c2ce87c0,d3b2e85c,...) at domount+0xfd > zfsctl_snapdir_lookup(d3b2eacc) at zfsctl_snapdir_lookup+0x1ac > VOP_LOOKUP_APV(c294adc0,d3b2eacc) at VOP_LOOKUP_APV+0x43 > lookup(d3b2eb50) at lookup+0x4c0 > namei(d3b2eb50) at namei+0x2d2 > kern_lstat(c29c81b0,2821c268,0,d3b2ec24) at kern_lstat+0x47 > lstat(c29c81b0,d3b2ed00) at lstat+0x1b > syscall(d3b2ed38) at syscall+0x29e > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (190, FreeBSD ELF32, lstat), eip = 0x2818d267, esp = 0xbfbfe3fc, ebp > = 0xbfbfe498 --- > db> cont >Received on Tue Apr 10 2007 - 05:06:29 UTC
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