[issue1729] Hammer REDO recovery panic

Venkatesh Srinivas (via DragonFly issue tracker) sinknull at leaf.dragonflybsd.org
Tue Apr 13 20:07:38 PDT 2010


New submission from Venkatesh Srinivas <me at acm.jhu.edu>:

Restarting my system after an earlier panic from running fsstress on HAMMER, 
fsync_mode=2. Running DragonFly 2.6.0-gfa1ae. Will try to have a dump tomorrow.

Mounting root from hammer:serno/G3H3DSKC.s1d
tryroot serno/G3H2DSKC.s1d
HAMMER(ROOT) recovery check seqno=023f0d60
HAMMER(ROOT) recovery range 3000000003838438-3000000003fee500
HAMMER(ROOT) recovery nexto 3000000003fee500 endseqno=023f6204
HAMMER(ROOT) recovery undo 3000000003838438-30000000003fee500 (8085704 
bytes)(RW)
HAMMER(ROOT) Continuing recovery
HAMMER(ROOT) Continuing recovery
HAMMER(ROOT) Continuing recovery
HAMMER(ROOT) Continuing recovery
HAMMER(ROOT) Found REDO_SYNC 30000000025c4a38
HAMMER(ROOT) recovery complete
HAMMER(ROOT) recovery redo 3000000003838438-30000000003fee500 (80857604 
bytes)(RW)
HAMMER(ROOT) Find extended redo  30000000025c4a38, 19347968 extbytes
HAMMER(ROOT) Find extended redo failed 34, unable to run REDO
HAMMER(ROOT) End redo recovery
panic: hammer_ref_interlock_true: bad lock 0xc758a688 00000001

Trace beginning at frame 0xc05d4af4
panic(c05d4b18,50000001,c758a680,c02ed226,c05d4b24) at panic+0x8c
panic(c03e2510,c758a688,1,c758a680,c05d4b34) at panic+0x8c
hammer_ref_interlock_true(c758a688,c758a680,c05d4b5c,c02ed31c,c758a680) at 
hammer_ref_interlock_true+0x25
hammer_unload_buffer(c758a680,0,0,0,c758a600) at hammer_unload_buffer+0x38
hammer_buf_rb_tree_RB_SCAN(c740d034,0,c02ee747,0,c1508040) at 
hammer_buf_rb_tree_RB_SCAN+0xad
hammer_free_hmp(c740d384,c1225018,1,22,c10c2180) at hammer_free_hmp+0x13b
hammer_vfs_mount(c70d17b8,0,0,c612f5b0,c05d4cec) at hammer_vfs_mount+0xa57
vfs_mount(c70d17b8,0,0,c612f5b0,c10c2180) at vfs_mount+0x32
vfs_mountroot_try(c03bbab0)
vfs_mountroot(0,ffffffff,5d1c00,5df000,5df000) at vfs_mountroot+0x7b
mi_startup(5d1000,0,0,0,0) at mi_startup+0x92
begin() at begin+0x42
Debugger("panic")
Stopped at	Debugger+0x34:	movb	$0,in_Debugger.4308
db>

----------
messages: 8469
nosy: vsrinivas
status: unread
title: Hammer REDO recovery panic

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DragonFly issue tracker <bugs at lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1729>
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