I'm sorry the backtraces were incomplete. Here is a complete one: [ 8.191781] CPU: 1 PID: 1184 Comm: bcache-register Tainted: G W O 3.10.63+96-ph #1 [ 8.191783] Hardware name: Supermicro X9SRE/X9SRE-3F/X9SRi/X9SRi-3F/X9SRE/X9SRE-3F/X9SRi/X9SRi-3F, BIOS 1.0c 10/08/2012 [ 8.191784] ffffc90017cb0000 ffff880c315a1608 ffffffff8154fad2 ffff880c315a1638 [ 8.191786] ffffffffa00805e5 ffff880c315a165e ffff880c3cffa8c8 ffff880c31340680 [ 8.191788] ffff880c3a440530 ffff880c315a1648 ffffffffa0074c2a ffff880c315a1708 [ 8.191790] Call Trace: [ 8.191795] [<ffffffff8154fad2>] dump_stack+0x19/0x1b [ 8.191802] [<ffffffffa00805e5>] bch_extent_bad+0x1b5/0x1c0 [bcache] [ 8.191806] [<ffffffffa0074c2a>] bch_ptr_bad+0xa/0x10 [bcache] [ 8.191809] [<ffffffffa00750e1>] btree_mergesort+0x2d1/0x560 [bcache] [ 8.191813] [<ffffffffa0074c20>] ? bch_ptr_invalid+0x10/0x10 [bcache] [ 8.191816] [<ffffffff8137e800>] ? get_random_bytes+0x20/0x30 [ 8.191820] [<ffffffffa007571e>] ? bch_bset_init_next+0x8e/0xf0 [bcache] [ 8.191823] [<ffffffffa007712c>] ? bch_btree_iter_init+0x7c/0xc0 [bcache] [ 8.191827] [<ffffffffa0077705>] bch_btree_sort_into+0x55/0x80 [bcache] [ 8.191830] [<ffffffff810706ab>] ? prepare_to_wait+0x5b/0x90 [ 8.191833] [<ffffffffa007b421>] btree_node_alloc_replacement+0x81/0xc0 [bcache] [ 8.191837] [<ffffffffa007bd1c>] btree_split+0xbc/0x6d0 [bcache] [ 8.191840] [<ffffffff81083f16>] ? find_busiest_group+0x36/0x4a0 [ 8.191843] [<ffffffffa007c5ea>] bch_btree_insert_node+0x2ba/0x3a0 [bcache] [ 8.191847] [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] [ 8.191850] [<ffffffffa007c6f8>] btree_insert_fn+0x28/0x50 [bcache] [ 8.191853] [<ffffffffa007b098>] bch_btree_map_nodes_recurse+0x38/0x160 [bcache] [ 8.191857] [<ffffffffa00762b7>] ? __bch_bset_search+0x187/0x4a0 [bcache] [ 8.191861] [<ffffffffa0080372>] ? bch_btree_ptr_invalid+0x12/0x20 [bcache] [ 8.191864] [<ffffffffa007acb8>] ? bch_btree_node_get+0x78/0x290 [bcache] [ 8.191868] [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] [ 8.191871] [<ffffffffa007b133>] bch_btree_map_nodes_recurse+0xd3/0x160 [bcache] [ 8.191875] [<ffffffffa007ddf4>] __bch_btree_map_nodes+0x104/0x120 [bcache] [ 8.191878] [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] [ 8.191881] [<ffffffffa007def1>] bch_btree_insert+0xe1/0x150 [bcache] [ 8.191883] [<ffffffff81070430>] ? finish_wait+0x80/0x80 [ 8.191887] [<ffffffffa008264a>] bch_journal_replay+0x12a/0x250 [bcache] [ 8.191889] [<ffffffff8107c29d>] ? ttwu_do_wakeup+0x1d/0xe0 [ 8.191891] [<ffffffff8107e8fc>] ? try_to_wake_up+0x20c/0x2e0 [ 8.191893] [<ffffffff8107ea37>] ? wake_up_process+0x27/0x50 [ 8.191898] [<ffffffffa008bcdf>] run_cache_set+0x56f/0x900 [bcache] [ 8.191902] [<ffffffffa008d517>] register_bcache+0xd37/0x13c0 [bcache] [ 8.191904] [<ffffffff8111510f>] ? handle_mm_fault+0x2cf/0x400 [ 8.191907] [<ffffffff812b83df>] kobj_attr_store+0xf/0x20 [ 8.191909] [<ffffffff811bf480>] sysfs_write_file+0xd0/0x150 [ 8.191911] [<ffffffff81151fc5>] vfs_write+0xc5/0x1f0 [ 8.191913] [<ffffffff811524b2>] SyS_write+0x52/0xa0 [ 8.191915] [<ffffffff81032ece>] ? do_page_fault+0xe/0x10 [ 8.191917] [<ffffffff81555a12>] system_call_fastpath+0x16/0x1b Am 02.01.2015 um 10:47 schrieb Stefan Priebe - Profihost AG: > Hi, > > while running 3.10 or 3.18 kernel i've problems enabling discard. > Strangely this only appears on reboot or crash. While these situations > work fine without discard. > > bcache completely fails when discard is enabled for reboot or crash. > Strangely it works fine while "running". > > After a reboot dmesg looks like this (for all 3 cache and all backing > devices): > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > WARNING: at drivers/md/bcache/alloc.c:79 bch_inc_gen+0x5f/0x70 [bcache]() > Modules linked in: bcache sg sd_mod crc32_pclmul ghash_clmulni_intel > isci(+) libsas ahci scsi_transport_sas libahci igb i2c_algo_bit i2c_core > ixgbe(O) ptp pps_core > CPU: 0 PID: 438 Comm: bcache-register Tainted: G O 3.18.1 #1 > [<ffffffffa007305f>] bch_inc_gen+0x5f/0x70 [bcache] > [<ffffffffa0073234>] __bch_invalidate_one_bucket+0x44/0xe0 [bcache] > [<ffffffffa007ba06>] bch_initial_gc_finish+0xe6/0x190 [bcache] > [<ffffffffa0093747>] ? bch_crc64+0x37/0x50 [bcache] > [<ffffffffa008bb38>] run_cache_set+0x3c8/0x900 [bcache] > [<ffffffffa008d517>] register_bcache+0xd37/0x13c0 [bcache] > bcache: error on d85a7b6f-50cf-4293-8f20-cdd16d5d16e0: key too stale: > 97, need_gc 128, disabling caching > CPU: 1 PID: 438 Comm: bcache-register Tainted: G W O 3.18.1 #1 > [<ffffffffa00805e5>] bch_extent_bad+0x1b5/0x1c0 [bcache] > [<ffffffffa0074c2a>] bch_ptr_bad+0xa/0x10 [bcache] > [<ffffffffa00750e1>] btree_mergesort+0x2d1/0x560 [bcache] > [<ffffffffa0074c20>] ? bch_ptr_invalid+0x10/0x10 [bcache] > [<ffffffffa007571e>] ? bch_bset_init_next+0x8e/0xf0 [bcache] > [<ffffffffa007712c>] ? bch_btree_iter_init+0x7c/0xc0 [bcache] > [<ffffffffa0077705>] bch_btree_sort_into+0x55/0x80 [bcache] > [<ffffffffa007b421>] btree_node_alloc_replacement+0x81/0xc0 [bcache] > [<ffffffffa007bd1c>] btree_split+0xbc/0x6d0 [bcache] > [<ffffffffa007c5ea>] bch_btree_insert_node+0x2ba/0x3a0 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007c6f8>] btree_insert_fn+0x28/0x50 [bcache] > [<ffffffffa007b098>] bch_btree_map_nodes_recurse+0x38/0x160 [bcache] > [<ffffffffa00762b7>] ? __bch_bset_search+0x187/0x4a0 [bcache] > [<ffffffffa0080372>] ? bch_btree_ptr_invalid+0x12/0x20 [bcache] > [<ffffffffa007acb8>] ? bch_btree_node_get+0x78/0x290 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007b133>] bch_btree_map_nodes_recurse+0xd3/0x160 [bcache] > [<ffffffffa007ddf4>] __bch_btree_map_nodes+0x104/0x120 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007def1>] bch_btree_insert+0xe1/0x150 [bcache] > [<ffffffffa008264a>] bch_journal_replay+0x12a/0x250 [bcache] > [<ffffffffa0093747>] ? bch_crc64+0x37/0x50 [bcache] > [<ffffffffa008bcdf>] run_cache_set+0x56f/0x900 [bcache] > [<ffffffffa008d517>] register_bcache+0xd37/0x13c0 [bcache] > bcache: bch_journal_replay() journal replay done, 4390 keys in 57 > entries, seq 2406219 > bcache: register_cache() registered cache device sda5 > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: error on 157e5dc9-4017-410b-b1f6-450385345128: key too stale: > 107, need_gc 128, disabling caching > CPU: 1 PID: 447 Comm: bcache-register Tainted: G W O 3.18.1 #1 > [<ffffffffa00805e5>] bch_extent_bad+0x1b5/0x1c0 [bcache] > [<ffffffffa0074c2a>] bch_ptr_bad+0xa/0x10 [bcache] > [<ffffffffa00750e1>] btree_mergesort+0x2d1/0x560 [bcache] > [<ffffffffa0074c20>] ? bch_ptr_invalid+0x10/0x10 [bcache] > [<ffffffffa007571e>] ? bch_bset_init_next+0x8e/0xf0 [bcache] > [<ffffffffa007712c>] ? bch_btree_iter_init+0x7c/0xc0 [bcache] > [<ffffffffa0077705>] bch_btree_sort_into+0x55/0x80 [bcache] > [<ffffffffa007b421>] btree_node_alloc_replacement+0x81/0xc0 [bcache] > [<ffffffffa007bd1c>] btree_split+0xbc/0x6d0 [bcache] > [<ffffffffa007c5ea>] bch_btree_insert_node+0x2ba/0x3a0 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007c6f8>] btree_insert_fn+0x28/0x50 [bcache] > [<ffffffffa007b098>] bch_btree_map_nodes_recurse+0x38/0x160 [bcache] > [<ffffffffa00762b7>] ? __bch_bset_search+0x187/0x4a0 [bcache] > [<ffffffffa0080372>] ? bch_btree_ptr_invalid+0x12/0x20 [bcache] > [<ffffffffa007acb8>] ? bch_btree_node_get+0x78/0x290 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007b133>] bch_btree_map_nodes_recurse+0xd3/0x160 [bcache] > [<ffffffffa007ddf4>] __bch_btree_map_nodes+0x104/0x120 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007def1>] bch_btree_insert+0xe1/0x150 [bcache] > [<ffffffffa008264a>] bch_journal_replay+0x12a/0x250 [bcache] > [<ffffffffa009374f>] ? bch_crc64+0x3f/0x50 [bcache] > [<ffffffffa008bcdf>] run_cache_set+0x56f/0x900 [bcache] > [<ffffffffa008d517>] register_bcache+0xd37/0x13c0 [bcache] > bcache: bch_journal_replay() journal replay done, 4355 keys in 56 > entries, seq 435045 > bcache: register_cache() registered cache device sdb3 > bcache: register_bdev() registered backing device sdd1 > bcache: bch_cached_dev_attach() Can't attach sdd1: shutting down > bcache: register_bdev() registered backing device sdc1 > bcache: register_bdev() registered backing device sde1 > bcache: bch_cached_dev_attach() Can't attach sde1: shutting down > bcache: cache_set_free() Cache set d85a7b6f-50cf-4293-8f20-cdd16d5d16e0 > unregistered > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: error on b755d45b-9fa1-490f-9eca-6b739618aaf1: accessing > priorities, disabling caching > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: register_cache() registered cache device sdi5 > bcache: cache_set_free() Cache set b755d45b-9fa1-490f-9eca-6b739618aaf1 > unregistered > bcache: register_bdev() registered backing device sdf1 > bcache: register_bdev() registered backing device sdh1 > bcache: bch_cached_dev_attach() Can't attach sdh1: shutting down > bcache: register_bdev() registered backing device sdg1 > bcache: bch_cached_dev_attach() Can't attach sdg1: shutting down > bcache: error on d85a7b6f-50cf-4293-8f20-cdd16d5d16e0: key too stale: > 105, need_gc 128, disabling caching > CPU: 1 PID: 1184 Comm: bcache-register Tainted: G W O 3.18.1 #1 > [<ffffffffa00805e5>] bch_extent_bad+0x1b5/0x1c0 [bcache] > [<ffffffffa0074c2a>] bch_ptr_bad+0xa/0x10 [bcache] > [<ffffffffa00750e1>] btree_mergesort+0x2d1/0x560 [bcache] > [<ffffffffa0074c20>] ? bch_ptr_invalid+0x10/0x10 [bcache] > [<ffffffffa007571e>] ? bch_bset_init_next+0x8e/0xf0 [bcache] > [<ffffffffa007712c>] ? bch_btree_iter_init+0x7c/0xc0 [bcache] > [<ffffffffa0077705>] bch_btree_sort_into+0x55/0x80 [bcache] > [<ffffffffa007b421>] btree_node_alloc_replacement+0x81/0xc0 [bcache] > [<ffffffffa007bd1c>] btree_split+0xbc/0x6d0 [bcache] > [<ffffffffa007c5ea>] bch_btree_insert_node+0x2ba/0x3a0 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007c6f8>] btree_insert_fn+0x28/0x50 [bcache] > [<ffffffffa007b098>] bch_btree_map_nodes_recurse+0x38/0x160 [bcache] > [<ffffffffa00762b7>] ? __bch_bset_search+0x187/0x4a0 [bcache] > [<ffffffffa0080372>] ? bch_btree_ptr_invalid+0x12/0x20 [bcache] > [<ffffffffa007acb8>] ? bch_btree_node_get+0x78/0x290 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007b133>] bch_btree_map_nodes_recurse+0xd3/0x160 [bcache] > [<ffffffffa007ddf4>] __bch_btree_map_nodes+0x104/0x120 [bcache] > [<ffffffffa007c6d0>] ? bch_btree_insert_node+0x3a0/0x3a0 [bcache] > [<ffffffffa007def1>] bch_btree_insert+0xe1/0x150 [bcache] > [<ffffffffa008264a>] bch_journal_replay+0x12a/0x250 [bcache] > [<ffffffffa008bcdf>] run_cache_set+0x56f/0x900 [bcache] > [<ffffffffa008d517>] register_bcache+0xd37/0x13c0 [bcache] > bcache: bch_journal_replay() journal replay done, 4390 keys in 58 > entries, seq 2406220 > bcache: bch_cached_dev_attach() Can't attach sde1: shutting down > bcache: bch_cached_dev_attach() Can't attach sdd1: shutting down > bcache: register_cache() registered cache device sda5 > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: error on b755d45b-9fa1-490f-9eca-6b739618aaf1: accessing > priorities, disabling caching > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: prio_read() bad csum reading priorities > bcache: prio_read() bad magic reading priorities > bcache: register_cache() registered cache device sdi5 > bcache: cache_set_free() Cache set b755d45b-9fa1-490f-9eca-6b739618aaf1 > unregistered > bcache: cache_set_free() Cache set d85a7b6f-50cf-4293-8f20-cdd16d5d16e0 > unregistered > bcache: cache_set_free() Cache set 157e5dc9-4017-410b-b1f6-450385345128 > unregistered > > Stefan > -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
