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Date: Sun, 06 Jan 2008 10:42:13 +0100 From: Mike Galbraith <efault@....de> To: LKML <linux-kernel@...r.kernel.org> Subject: Re: [vm] writing to UDF DVD+RW (/dev/sr0) while under memory pressure: box ==> doorstop FWIW, here's box having same seizure writing to /dev/pktcdvd/sr0. [ 959.419364] SysRq : Show Blocked State [ 959.419364] task PC stack pid father [ 959.419364] kswapd0 D 00000000 0 158 2 [ 959.419364] ef90bec0 00000046 00000000 00000000 00000000 00000020 00000001 00000000 [ 959.419364] 8d4fb4b9 000000b3 b040d300 b040d300 ef8ab5f0 ef8ab83c b1815300 ef90b000 [ 959.419364] b016b41a 00000020 df606740 ef90bf10 00168208 00000000 b040a8e0 b040a8e0 [ 959.419364] Call Trace: [ 959.419364] [<b016b41a>] __pagevec_release+0x15/0x1d [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<f086c45c>] mb_cache_shrink_fn+0xde/0xe0 [mbcache] [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016d6e2>] kswapd+0x314/0x49f [ 959.419364] [<b013e1a8>] autoremove_wake_function+0x0/0x35 [ 959.419364] [<b016d3ce>] kswapd+0x0/0x49f [ 959.419364] [<b013df26>] kthread+0x34/0x56 [ 959.419364] [<b013def2>] kthread+0x0/0x56 [ 959.419364] [<b0104d7b>] kernel_thread_helper+0x7/0x1c [ 959.419364] ======================= [ 959.419364] Xorg D eeeacd38 0 2366 2343 [ 959.419364] eeeacd4c 00203082 00000002 eeeacd38 eeeacd30 00000000 00000001 00000000 [ 959.419364] 00000000 ffffffff b040d300 b040d300 ee1fa8f0 ee1fab3c b1815300 eeeac000 [ 959.419364] b016b41a 00000020 df997740 00289a1f 00000000 00000000 00000000 00000003 [ 959.419364] Call Trace: [ 959.419364] [<b016b41a>] __pagevec_release+0x15/0x1d [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b017dc5c>] shmem_getpage+0x144/0x691 [ 959.419364] [<b017e283>] shmem_fault+0x68/0x97 [ 959.419364] [<b01cbe4c>] shm_fault+0xc/0xd [ 959.419364] [<b016feda>] __do_fault+0x55/0x376 [ 959.419364] [<b0126f30>] scheduler_tick+0x12f/0x3de [ 959.419364] [<b01cbe40>] shm_fault+0x0/0xd [ 959.419364] [<b0171583>] handle_mm_fault+0x11d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] ======================= [ 959.419364] top D b0104bf8 0 4190 3771 [ 959.419364] eef49e38 00200086 b03af280 b0104bf8 ffffffe0 ffffffed 00000000 b03af280 [ 959.419364] c23aaad8 000000d5 b040d300 b040d300 e83aeaf0 e83aed3c b180c300 eef49000 [ 959.419364] 00000000 00000020 ee23fac0 eef49e88 002da5f3 00000000 b040a8e0 b040a8e0 [ 959.419364] Call Trace: [ 959.419364] [<b0104bf8>] apic_timer_interrupt+0x28/0x30 [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0182217>] nameidata_to_filp+0x31/0x3a [ 959.419364] [<b0168ae3>] __get_free_pages+0x39/0x47 [ 959.419364] [<b01b6ea8>] proc_info_read+0x39/0xa9 [ 959.419364] [<b01b6e6f>] proc_info_read+0x0/0xa9 [ 959.419364] [<b0184076>] vfs_read+0xa1/0x147 [ 959.419364] [<b01844ec>] sys_read+0x41/0x6a [ 959.419364] [<b010412a>] sysenter_past_esp+0x5f/0x85 [ 959.419364] ======================= [ 959.419364] cp D c0826cd4 0 4434 3846 [ 959.419364] c0826ce8 00200082 00000002 c0826cd4 c0826ccc 00000000 00000000 00000000 [ 959.419364] 00000000 ffffffff b040d300 b040d300 e83ae430 e83ae67c b180c300 c0826000 [ 959.419364] b1512dc0 b03af280 df606740 00286237 00000000 00000000 00000000 00000003 [ 959.419364] Call Trace: [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b019330b>] prune_dcache+0xf5/0x189 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b016a891>] __do_page_cache_readahead+0x115/0x22e [ 959.419364] [<b0163b56>] do_generic_mapping_read+0x160/0x45b [ 959.419364] [<b016326a>] file_read_actor+0x0/0xd9 [ 959.419364] [<b0165636>] generic_file_aio_read+0x101/0x198 [ 959.419364] [<b016326a>] file_read_actor+0x0/0xd9 [ 959.419364] [<b01837fd>] do_sync_read+0xd2/0x10e [ 959.419364] [<b013e1a8>] autoremove_wake_function+0x0/0x35 [ 959.419364] [<b0146a97>] tick_program_event+0x38/0x58 [ 959.419364] [<b018372b>] do_sync_read+0x0/0x10e [ 959.419364] [<b0184076>] vfs_read+0xa1/0x147 [ 959.419364] [<b01844ec>] sys_read+0x41/0x6a [ 959.419364] [<b010412a>] sysenter_past_esp+0x5f/0x85 [ 959.419364] ======================= [ 959.419364] as D b154cb40 0 20046 20044 [ 959.419364] ef198e04 00200086 01312d00 b154cb40 b03af280 b016bfdc 00000001 b03af280 [ 959.419364] a0dde696 000000b2 b040d300 b040d300 df53c070 df53c2bc b1815300 ef198000 [ 959.419364] 00000000 00000020 c90c0200 ef198e54 00000000 00000000 b040a8e0 b040a8e0 [ 959.419364] Call Trace: [ 959.419364] [<b016bfdc>] isolate_lru_pages+0x5f/0x1bb [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b019330b>] prune_dcache+0xf5/0x189 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0171693>] handle_mm_fault+0x22d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] [<b02e0000>] netlbl_secattr_catmap_setbit+0x6d/0x8b [ 959.419364] ======================= [ 959.419364] pdflush D 00008784 0 20121 2 [ 959.419364] ea130d9c 00000046 beaa8a90 00008784 00000004 00000000 00000000 0fd00000 [ 959.419364] 618d6a4e 000000df b040d300 b040d300 d6d2b5f0 d6d2b83c b180c300 ea130000 [ 959.419364] 00000000 00000008 ef182200 beaa8a90 00000001 00000000 df610de0 002a5bec [ 959.419364] Call Trace: [ 959.419364] [<b02e3b7f>] io_schedule+0x4f/0x89 [ 959.419364] [<b01a287d>] sync_buffer+0x30/0x34 [ 959.419364] [<b02e3d8f>] __wait_on_bit+0x42/0x5e [ 959.419364] [<b01a284d>] sync_buffer+0x0/0x34 [ 959.419364] [<b02e3e12>] out_of_line_wait_on_bit+0x67/0x6f [ 959.419364] [<b01a284d>] sync_buffer+0x0/0x34 [ 959.419364] [<b013e1dd>] wake_bit_function+0x0/0x3c [ 959.419364] [<b01a2814>] __wait_on_buffer+0x24/0x29 [ 959.419364] [<b01a4225>] __bread+0x55/0x8a [ 959.419364] [<f0e9ce53>] udf_tread+0x3c/0x41 [udf] [ 959.419364] [<f0e92add>] udf_update_inode+0x43/0xb8d [udf] [ 959.419364] [<b016ad8d>] pagevec_lookup_tag+0x24/0x2c [ 959.419364] [<b016917c>] __writepage+0x0/0x25 [ 959.419364] [<f0e94ca4>] udf_write_inode+0x14/0x20 [udf] [ 959.419364] [<b019dd1c>] __writeback_single_inode+0x228/0x306 [ 959.419364] [<b0161845>] delayacct_end+0x71/0x79 [ 959.419364] [<b01e6005>] _atomic_dec_and_lock+0x31/0x5c [ 959.419364] [<b019e1a2>] sync_sb_inodes+0x1c3/0x294 [ 959.419364] [<b019e450>] writeback_inodes+0x7d/0xac [ 959.419364] [<b016a14d>] wb_kupdate+0x7e/0xe2 [ 959.419364] [<b016a56c>] pdflush+0x0/0x1d4 [ 959.419364] [<b016a673>] pdflush+0x107/0x1d4 [ 959.419364] [<b016a0cf>] wb_kupdate+0x0/0xe2 [ 959.419364] [<b013df26>] kthread+0x34/0x56 [ 959.419364] [<b013def2>] kthread+0x0/0x56 [ 959.419364] [<b0104d7b>] kernel_thread_helper+0x7/0x1c [ 959.419364] ======================= [ 959.419364] cc1 D b1808f00 0 20150 20149 [ 959.419364] efbf2e04 00200082 00000555 b1808f00 00000002 efbf2dec 00000000 0000000c [ 959.419364] 16e6490f 000000d5 b040d300 b040d300 c97ab130 c97ab37c b180c300 efbf2000 [ 959.419364] 00000000 00000020 e6dccc80 0024beb7 00000000 00000000 00000001 00000003 [ 959.419364] Call Trace: [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0171693>] handle_mm_fault+0x22d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] ======================= [ 959.419364] cc1 D def92b70 0 20181 20180 [ 959.419364] ef1fdc18 00200082 ef4f9dfc def92b70 00000004 00000000 00000001 0fd00000 [ 959.419364] 8ae5a1e1 000000b2 b040d300 b040d300 cc65eb70 cc65edbc b1815300 ef1fd000 [ 959.419364] 00000000 b1812a60 edfe4e40 b016b3a8 00000000 00000000 ee1e34f0 00277786 [ 959.419364] Call Trace: [ 959.419364] [<b016b3a8>] mark_page_accessed+0x29/0x30 [ 959.419364] [<b02e3b7f>] io_schedule+0x4f/0x89 [ 959.419364] [<b01a287d>] sync_buffer+0x30/0x34 [ 959.419364] [<b02e3d8f>] __wait_on_bit+0x42/0x5e [ 959.419364] [<b01a284d>] sync_buffer+0x0/0x34 [ 959.419364] [<b02e3e12>] out_of_line_wait_on_bit+0x67/0x6f [ 959.419364] [<b01a284d>] sync_buffer+0x0/0x34 [ 959.419364] [<b013e1dd>] wake_bit_function+0x0/0x3c [ 959.419364] [<b01a2814>] __wait_on_buffer+0x24/0x29 [ 959.419364] [<b01a37da>] sync_dirty_buffer+0x7e/0xc4 [ 959.419364] [<f0e93400>] udf_update_inode+0x966/0xb8d [udf] [ 959.419364] [<f0e9bafc>] extent_trunc+0xac/0x16e [udf] [ 959.419364] [<f0e94ca4>] udf_write_inode+0x14/0x20 [udf] [ 959.419364] [<b019dd1c>] __writeback_single_inode+0x228/0x306 [ 959.419364] [<b019de8a>] write_inode_now+0x66/0xb3 [ 959.419364] [<f0e951f3>] udf_clear_inode+0x33/0x47 [udf] [ 959.419364] [<b01957ea>] clear_inode+0x62/0x136 [ 959.419364] [<b0195dd4>] dispose_list+0x1a/0xd6 [ 959.419364] [<b019600a>] shrink_icache_memory+0x17a/0x233 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0171693>] handle_mm_fault+0x22d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] [<b02e0000>] netlbl_secattr_catmap_setbit+0x6d/0x8b [ 959.419364] ======================= [ 959.419364] cc1 D df737df0 0 20224 20222 [ 959.419364] df737e04 00200082 00000002 df737df0 df737de8 00000000 00000001 00000002 [ 959.419364] df737e4c 00000020 b040d300 b040d300 df63ef30 df63f17c b1815300 df737000 [ 959.419364] b016b41a 00000020 ee18f580 0024cb24 00000000 00000000 00000000 00000003 [ 959.419364] Call Trace: [ 959.419364] [<b016b41a>] __pagevec_release+0x15/0x1d [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b019330b>] prune_dcache+0xf5/0x189 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0171693>] handle_mm_fault+0x22d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] [<b02e0000>] netlbl_secattr_catmap_setbit+0x6d/0x8b [ 959.419364] ======================= [ 959.419364] cc1 D cb5ccdf0 0 20242 20241 [ 959.419364] cb5cce04 00200086 00000002 cb5ccdf0 cb5ccde8 00000000 00000000 b1808120 [ 959.419364] 00000000 00000000 b040d300 b040d300 e6fb9870 e6fb9abc b180c300 cb5cc000 [ 959.419364] b0104bf8 b1afd240 c90c0900 0024c96b b03b09a4 0000003f ffffffff 00000003 [ 959.419364] Call Trace: [ 959.419364] [<b0104bf8>] apic_timer_interrupt+0x28/0x30 [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b019335b>] prune_dcache+0x145/0x189 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0171693>] handle_mm_fault+0x22d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] [<b02e0000>] netlbl_secattr_catmap_setbit+0x6d/0x8b [ 959.419364] ======================= [ 959.419364] cc1 D b15407e0 0 20252 20251 [ 959.419364] da5d0e04 00200082 da5d0df8 b15407e0 b03af280 b016bfdc 00000001 b03af280 [ 959.419364] 2d90fbe6 000000b3 b040d300 b040d300 df63e870 df63eabc b1815300 da5d0000 [ 959.419364] 00000000 00000020 d0aa6e40 da5d0e54 00000000 00000000 b040a8e0 b040a8e0 [ 959.419364] Call Trace: [ 959.419364] [<b016bfdc>] isolate_lru_pages+0x5f/0x1bb [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0171693>] handle_mm_fault+0x22d/0x62f [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0117f47>] smp_apic_timer_interrupt+0x59/0x84 [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] [<b02e0000>] netlbl_secattr_catmap_setbit+0x6d/0x8b [ 959.419364] ======================= [ 959.419364] bash D b4354dc0 0 20276 3582 [ 959.419364] b4354dd4 00000082 00000002 b4354dc0 b4354db8 00000000 00000001 0000000c [ 959.419364] b4354e1c 00000020 b040d300 b040d300 c9ba2270 c9ba24bc b1815300 b4354000 [ 959.419364] b016b41a 00000020 c3584c80 0027f8af 00000000 00000000 ffffffff 00000003 [ 959.419364] Call Trace: [ 959.419364] [<b016b41a>] __pagevec_release+0x15/0x1d [ 959.419364] [<b02e3fa5>] __mutex_lock_slowpath+0x57/0x90 [ 959.419364] [<b02e3e24>] mutex_lock+0xa/0xb [ 959.419364] [<b0195ee8>] shrink_icache_memory+0x58/0x233 [ 959.419364] [<b016d2fe>] shrink_slab+0x129/0x18f [ 959.419364] [<b016dce7>] try_to_free_pages+0x182/0x267 [ 959.419364] [<b01688a3>] __alloc_pages+0x140/0x347 [ 959.419364] [<b0170418>] do_wp_page+0x87/0x3f1 [ 959.419364] [<b01718b5>] handle_mm_fault+0x44f/0x62f [ 959.419364] [<b012934c>] wake_up_new_task+0x77/0x93 [ 959.419364] [<b011ca6c>] do_page_fault+0xd0/0x5d4 [ 959.419364] [<b0136005>] recalc_sigpending+0xb/0x30 [ 959.419364] [<b0136092>] sigprocmask+0x68/0xc3 [ 959.419364] [<b0102241>] sys_clone+0x36/0x3b [ 959.419364] [<b011c99c>] do_page_fault+0x0/0x5d4 [ 959.419364] [<b02e527a>] error_code+0x72/0x78 [ 959.419364] [<b02e0000>] netlbl_secattr_catmap_setbit+0x6d/0x8b [ 959.419364] ======================= -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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