I was running unionfs-20051116-1013
w/ a postmark test where I branch (--add/--mode) every 60s and
postmark/unionctl seemed to deadlock, having a hard time interpreting
the backtrace (from sysrq)
any ideas?
this is unionfs on top of ocfs2
unionctl D 00000004 0 5286 5285 (NOTLB)
efa7fe18 00000082 efa7fe08 00000004 00000004 f5f3a398 dfe85020 c016ef23
f5f3a398 c02fa700 efa7fe10 00000000 c46969f8 c0165bd1 c1817020
00000002
000de26b 879e4f96 000004b4 f7c00800 d1b30540 d1b30694 f93bdf56
00000008
Call Trace:
[<c016ef23>] dput+0x33/0x1d0
[<c0165bd1>] link_path_walk+0x9e1/0xcf0
[<f93bdf56>] ocfs2_meta_lock_full+0x176/0x680 [ocfs2]
[<c025912d>] rwsem_down_write_failed+0x9d/0x184
[<f8cdd166>] .text.lock.branchman+0x26/0xc0 [unionfs]
[<f93b6fa0>] ocfs2_dentry_revalidate+0x0/0x290 [ocfs2]
[<f8cd6c5d>] unionfs_d_revalidate+0x4ad/0x4d0 [unionfs]
[<c0147a28>] do_no_page+0x1a8/0x320
[<f8ce3329>] unionfs_file_revalidate+0x49/0x8b0 [unionfs]
[<f8ce45d1>] unionfs_ioctl+0x1f1/0x2f0 [unionfs]
[<c0169d0e>] do_ioctl+0x8e/0xa0
[<c0169f25>] vfs_ioctl+0x65/0x1f0
[<c016a117>] sys_ioctl+0x67/0x90
[<f8f34182>] zap_do_ioctl+0xf2/0x10b0
and
postmark D 00000004 0 4417 4414 (NOTLB)
f5f4fe30 00000082 f5f4fe20 00000004 00000003 cc0ee508 dfe89a60 cc0ee500
f93cbd78 cc0ee6f8 00000000 f6b70808 f6b7031c c029146c c181f020
00000003
00003b6b 19d9de8d 000004a7 cc0ee508 f6b03540 f6b03694 f93bc17b
00000004
Call Trace:
[<f93cbd78>] ocfs2_clear_inode+0x208/0xfe0 [ocfs2]
[<f93bc17b>] ocfs2_cluster_unlock+0x9b/0x1f0 [ocfs2]
[<c02575e3>] __down+0x83/0xe0
[<c0115060>] default_wake_function+0x0/0x20
[<c015928b>] invalidate_inode_buffers+0x1b/0x90
[<c0257767>] __down_failed+0x7/0xc
[<f8cd6da7>] .text.lock.dentry+0x2a/0x83 [unionfs]
[<f8cd6ca7>] unionfs_d_revalidate_wrap+0x27/0x40 [unionfs]
[<f8cd6873>] unionfs_d_revalidate+0xc3/0x4d0 [unionfs]
[<f8cd96cb>] inode_permission+0xcb/0xf0 [unionfs]
[<f8cd6c80>] unionfs_d_revalidate_wrap+0x0/0x40 [unionfs]
[<f8cd6ca7>] unionfs_d_revalidate_wrap+0x27/0x40 [unionfs]
[<c0164e35>] cached_lookup+0x55/0x90
[<c01662e2>] __lookup_hash+0x72/0xe0
[<c016636d>] lookup_hash+0x1d/0x30
[<c01676fb>] sys_rmdir+0x7b/0xf0
[<f8f388c7>] zap_do_write+0x87/0x240 [zap]
[<c011daab>] sys_time+0x1b/0x60
[<c0102793>] syscall_call+0x7/0xb
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