DragonFly bugs List (threaded) for 2009-04
DragonFly BSD
DragonFly bugs List (threaded) for 2009-04
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[issue1276] panic: assertion: volume->io.lock.refs == 0 in hammer_unload_volume


From: "Thomas Nikolajsen \(via DragonFly issue tracker\)" <sinknull@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 14 Apr 2009 20:23:33 +0000

Thomas Nikolajsen <thomas.nikolajsen@mail.dk> added the comment:

panic at shutdown using 2.2-RELEASE from 17th Feb 2009
with patch from this case applied;
same as 530dd4947cb729aeaa1e5b57df82ff510cb0a49b.

Seems like panic doesn't occur so often after patch applied,
but it apparently still can happen.

Btw: it seems like commit isn't MFCed to 2.2-RELEASE yet (I could do this).

Uploading to leaf as *.30 (with all modules in use).

 -thomas
-
panic: assertion: volume->io.lock.refs == 0 in hammer_unload_volume
Trace beginning at frame 0xc4d59b4c
panic(c4d59b70,c0d9b308,c0e1d59c,d2064000,c4d59b88) at panic+0x8c
panic(c055c9b2,c055d1dc,c055c001,1108,c0d9b308) at panic+0x8c
hammer_unload_volume(c0d9b308,0,0,0,0) at hammer_unload_volume+0x6c
hammer_vol_rb_tree_RB_SCAN(d206400c,0,c05494fe,0,d206402c) at 
hammer_vol_rb_tree_RB_SCAN+0xad
hammer_free_hmp(c7a47a10,c7a47808,c4d59c2c,c01f1f61,c7a47808) at 
hammer_free_hmp+0x186
hammer_vfs_unmount(c7a47808,80000,80000,c7a47828,1) at hammer_vfs_unmount+0x33
dounmount(c7a47808,80000,c7a47808,1,c4d59c7c) at dounmount+0x1a8
vfs_umountall_callback(c7a47808,0,c0416534,0,1) at vfs_umountall_callback+0x13
mountlist_scan(c01eacc5,0,6) at mountlist_scan+0xe8
vfs_unmountall(0,0,3,c019dece,c0d66140) at vfs_unmountall+0x11
boot(4008,c4d59d34,c0305d25,c4d59cf0,6) at boot+0x21d
sys_reboot(c4d59cf0,6,98b6,0,c7a44f88) at sys_reboot+0x25
syscall2(c4d59d40) at syscall2+0x1ef
Xint0x80_syscall() at Xint0x80_syscall+0x36

----------
status: resolved -> unread

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DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1276>
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