Hi
2.6.28-rc3-next-20081103 on sparc64
SysRq : Emergency Sync
SysRq : Emergency Sync
SysRq : Emergency Sync
SysRq : Show Locks Held
Showing all locks held in the system:
1 lock held by pdflush/163:
#0: (&type->s_umount_key#13){----}, at: [<00000000004cf148>]
__sync_inodes+0x5c/0xd4
1 lock held by pdflush/164:
#0: (&type->s_umount_key#13){----}, at: [<00000000004cf148>]
__sync_inodes+0x5c/0xd4
1 lock held by metalog/1413:
#0: (&sb->s_type->i_mutex_key#3){--..}, at: [<0000000000488c88>]
generic_file_aio_write+0x44/0xc8
1 lock held by agetty/1630:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
1 lock held by agetty/1632:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
1 lock held by agetty/1634:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
1 lock held by agetty/1636:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
1 lock held by agetty/1638:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
1 lock held by agetty/1640:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
2 locks held by bash/1671:
#0: (sysrq_key_table_lock){....}, at: [<00000000005fc700>]
__handle_sysrq+0x14/0x164
#1: (tasklist_lock){..--}, at: [<0000000000471510>]
debug_show_all_locks+0x5c/0x1a8
1 lock held by bash/1676:
#0: (&tty->atomic_read_lock){--..}, at: [<00000000005ead9c>]
n_tty_read+0x20c/0x648
2 locks held by touch/1317:
#0: (&sb->s_type->i_mutex_key#3){--..}, at: [<00000000004d2170>]
utimes_common+0x164/0x194
#1: (jbd_handle){--..}, at: [<000000000053d788>] journal_start+0xe8/0x118
1 lock held by bash/1333:
#0: (&p->cred_exec_mutex){--..}, at: [<00000000004e61c0>]
compat_do_execve+0x38/0x194
1 lock held by init/1336:
#0: (&sb->s_type->i_mutex_key#3){--..}, at: [<0000000000488c88>]
generic_file_aio_write+0x44/0xc8
=============================================
SysRq : Show Blocked State
task PC stack pid father
pdflush D 00000000004878c8 0 163 2
Call Trace:
[00000000006d9f74] io_schedule+0x20/0x3c
[00000000004878c8] sync_page+0x84/0x94
[00000000006da2f8] __wait_on_bit+0x64/0xc0
[0000000000487b20] wait_on_page_bit+0x8c/0x9c
[00000000004880bc] wait_on_page_writeback_range+0x68/0x124
[00000000004881a4] filemap_fdatawait+0x2c/0x40
[000000000048844c] filemap_write_and_wait+0x38/0x50
[00000000004d41fc] sync_blockdev+0x1c/0x30
[00000000004cf168] __sync_inodes+0x7c/0xd4
[00000000004cf1d8] sync_inodes+0x18/0x40
[00000000004d1f88] do_sync+0x1c/0x7c
[000000000048ff64] pdflush+0x110/0x1c0
[00000000004655e4] kthread+0x48/0x7c
[00000000004271a0] kernel_thread+0x3c/0x54
[0000000000465450] kthreadd+0xe0/0x184
pdflush D 00000000004878c8 0 164 2
Call Trace:
[00000000006d9f74] io_schedule+0x20/0x3c
[00000000004878c8] sync_page+0x84/0x94
[00000000006da2f8] __wait_on_bit+0x64/0xc0
[0000000000487b20] wait_on_page_bit+0x8c/0x9c
[00000000004880bc] wait_on_page_writeback_range+0x68/0x124
[00000000004881a4] filemap_fdatawait+0x2c/0x40
[000000000048844c] filemap_write_and_wait+0x38/0x50
[00000000004d41fc] sync_blockdev+0x1c/0x30
[00000000004cf168] __sync_inodes+0x7c/0xd4
[00000000004cf1d8] sync_inodes+0x18/0x40
[00000000004d1f88] do_sync+0x1c/0x7c
[000000000048ff64] pdflush+0x110/0x1c0
[00000000004655e4] kthread+0x48/0x7c
[00000000004271a0] kernel_thread+0x3c/0x54
[0000000000465450] kthreadd+0xe0/0x184
kjournald D 00000000005443d4 0 405 2
Call Trace:
[000000000053f394] journal_commit_transaction+0x1c4/0x1648
[00000000005443d4] kjournald+0x134/0x2fc
[00000000004655e4] kthread+0x48/0x7c
[00000000004271a0] kernel_thread+0x3c/0x54
[0000000000465450] kthreadd+0xe0/0x184
metalog D 000000000053d758 0 1413 1
Call Trace:
[000000000053d4b0] start_this_handle+0x2b0/0x4a0
[000000000053d758] journal_start+0xb8/0x118
[00000000005117c0] ext3_journal_start_sb+0x54/0x64
[000000000050b09c] ext3_dirty_inode+0x18/0xc8
[00000000004cf318] __mark_inode_dirty+0x2c/0x180
[00000000004c6674] file_update_time+0xe0/0x118
[0000000000488b44] __generic_file_aio_write_nolock+0x26c/0x36c
[0000000000488c9c] generic_file_aio_write+0x58/0xc8
[0000000000505a30] ext3_file_write+0x28/0xd8
[00000000004b2d88] do_sync_write+0x90/0xe0
[00000000004b35e8] vfs_write+0x7c/0x118
[00000000004b3a18] sys_write+0x38/0x68
[0000000000406154] linux_sparc_syscall32+0x34/0x40
touch D 00000000004d4400 0 1317 1
Call Trace:
[00000000006d9f74] io_schedule+0x20/0x3c
[00000000004d4400] sync_buffer+0x4c/0x5c
[00000000006da1d8] __wait_on_bit_lock+0x64/0xa4
[00000000006da280] out_of_line_wait_on_bit_lock+0x68/0x7c
[00000000004d474c] __lock_buffer+0x34/0x44
[000000000053cacc] do_get_write_access+0xd4/0x65c
[000000000053d078] journal_get_write_access+0x24/0x40
[0000000000516a08] __ext3_journal_get_write_access+0x14/0x50
[0000000000507db4] ext3_reserve_inode_write+0x40/0x88
[0000000000507e28] ext3_mark_inode_dirty+0x2c/0x5c
[000000000050b12c] ext3_dirty_inode+0xa8/0xc8
[00000000004cf318] __mark_inode_dirty+0x2c/0x180
[00000000004c6b6c] inode_setattr+0x120/0x138
[000000000050b034] ext3_setattr+0x174/0x1c4
[00000000004c6d4c] notify_change+0x1c8/0x328
[00000000004d217c] utimes_common+0x170/0x194
init D 000000000053d758 0 1336 1
Call Trace:
[000000000053d4b0] start_this_handle+0x2b0/0x4a0
[000000000053d758] journal_start+0xb8/0x118
[00000000005117c0] ext3_journal_start_sb+0x54/0x64
[000000000050b09c] ext3_dirty_inode+0x18/0xc8
[00000000004cf318] __mark_inode_dirty+0x2c/0x180
[00000000004c6674] file_update_time+0xe0/0x118
[0000000000488b44] __generic_file_aio_write_nolock+0x26c/0x36c
[0000000000488c9c] generic_file_aio_write+0x58/0xc8
[0000000000505a30] ext3_file_write+0x28/0xd8
[00000000004b2d88] do_sync_write+0x90/0xe0
[00000000004b35e8] vfs_write+0x7c/0x118
[00000000004b3a18] sys_write+0x38/0x68
[0000000000406154] linux_sparc_syscall32+0x34/0x40
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