Messages in this thread | | | Date | Thu, 20 Jun 2013 19:32:10 -0400 | From | Sasha Levin <> | Subject | FMC: BUG: scheduling while atomic on boot |
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Hi guys,
I compiled FMC in to test it out, but when booting with it I get:
[ 22.120253] BUG: scheduling while atomic: swapper/0/1/0x00000002 [ 22.120371] 4 locks held by swapper/0/1: [ 22.120762] #0: (&__lockdep_no_validate__){......}, at: [<ffffffff81f69ee0>] __dri ver_attach+0x40/0xa0 [ 22.121835] #1: (&__lockdep_no_validate__){......}, at: [<ffffffff81f69eee>] __driver_attach+0x4e/0xa0 [ 22.122916] #2: (fc_lock){+.+.+.}, at: [<ffffffff83b1436a>] fc_probe+0x9a/0x110 [ 22.123745] #3: (misc_mtx){+.+.+.}, at: [<ffffffff81ce52c4>] misc_register+0x24/0x130 [ 22.124628] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G W 3.10.0-rc6-next-20130620-sasha-00011-gb6e9296 #1044 [ 22.125646] 0000000000000003 ffff8801285597f8 ffffffff84058925 ffff8801285597f8 [ 22.126556] ffff880128555000 ffff880128559818 ffffffff81154a51 ffff880128559a20 [ 22.127367] ffff88012add7880 ffff8801285598a8 ffffffff8405b043 0000000000019190 [ 22.128161] Call Trace: [ 22.128429] [<ffffffff84058925>] dump_stack+0x52/0x87 [ 22.128991] [<ffffffff81154a51>] __schedule_bug+0x71/0x90 [ 22.130363] [<ffffffff8405b043>] __schedule+0xa3/0x8e0 [ 22.131298] [<ffffffff8405b9e5>] schedule+0x55/0x60 [ 22.131492] [<ffffffff84058a48>] schedule_timeout+0x38/0x2c0 [ 22.131492] [<ffffffff8118fd89>] ? mark_held_locks+0x109/0x140 [ 22.132033] [<ffffffff8405dbab>] ? _raw_spin_unlock_irq+0x2b/0x80 [ 22.132678] [<ffffffff8405a8e7>] wait_for_completion+0xb7/0x110 [ 22.133277] [<ffffffff8115d3b0>] ? try_to_wake_up+0x2a0/0x2a0 [ 22.133871] [<ffffffff81f6ea58>] devtmpfs_create_node+0x128/0x170 [ 22.134474] [<ffffffff81153903>] ? complete+0x23/0x60 [ 22.135003] [<ffffffff81f673b0>] device_add+0x220/0x490 [ 22.135539] [<ffffffff81f67639>] device_register+0x19/0x20 [ 22.136124] [<ffffffff81f676f5>] device_create_vargs+0xb5/0x100 [ 22.136732] [<ffffffff81f6776c>] device_create+0x2c/0x30 [ 22.137296] [<ffffffff84059bb0>] ? mutex_lock_nested+0x40/0x50 [ 22.137885] [<ffffffff81ce536e>] misc_register+0xce/0x130 [ 22.138426] [<ffffffff83b14373>] fc_probe+0xa3/0x110 [ 22.138943] [<ffffffff83b12082>] fmc_probe+0x12/0x20 [ 22.140280] [<ffffffff81f69c2f>] really_probe+0x10f/0x2e0 [ 22.140280] [<ffffffff81f69e7b>] driver_probe_device+0x7b/0xa0 [ 22.140734] [<ffffffff81f69f03>] __driver_attach+0x63/0xa0 [ 22.141302] [<ffffffff81f69ea0>] ? driver_probe_device+0xa0/0xa0 [ 22.141917] [<ffffffff81f69ea0>] ? driver_probe_device+0xa0/0xa0 [ 22.142515] [<ffffffff81f67d06>] bus_for_each_dev+0x66/0xc0 [ 22.143070] [<ffffffff81f69869>] driver_attach+0x19/0x20 [ 22.143605] [<ffffffff81f69192>] bus_add_driver+0x102/0x270 [ 22.144188] [<ffffffff83b143e0>] ? fc_probe+0x110/0x110 [ 22.144727] [<ffffffff81f6a558>] driver_register+0xa8/0x140 [ 22.145322] [<ffffffff83b143e0>] ? fc_probe+0x110/0x110 [ 22.145842] [<ffffffff83b12684>] fmc_driver_register+0x34/0x40 [ 22.146447] [<ffffffff83b143f0>] fc_init+0x10/0x20 [ 22.146961] [<ffffffff865fe8d4>] do_one_initcall+0xae/0x175 [ 22.147530] [<ffffffff8114419b>] ? parse_args+0x1cb/0x310 [ 22.148081] [<ffffffff865fed08>] ? kernel_init_freeable+0x288/0x288 [ 22.148723] [<ffffffff865fea62>] do_basic_setup+0x9c/0xba [ 22.150280] [<ffffffff865fed08>] ? kernel_init_freeable+0x288/0x288 [ 22.150333] [<ffffffff866296aa>] ? smp_init+0x8a/0x92 [ 22.151432] [<ffffffff865fec88>] kernel_init_freeable+0x208/0x288 [ 22.151970] [<ffffffff840411e0>] ? rest_init+0x140/0x140 [ 22.152551] [<ffffffff840411e9>] kernel_init+0x9/0xf0 [ 22.153120] [<ffffffff8405ebfc>] ret_from_fork+0x7c/0xb0 [ 22.153689] [<ffffffff840411e0>] ? rest_init+0x140/0x140 [ 22.154233] BUG: scheduling while atomic: swapper/0/1/0x00000002 [ 22.155496] 4 locks held by swapper/0/1: [ 22.155614] #0: (&__lockdep_no_validate__){......}, at: [<ffffffff81f69ee0>] __driver_attach+0x40/0xa0 [ 22.155950] #1: (&__lockdep_no_validate__){......}, at: [<ffffffff81f69eee>] __driver_attach+0x4e/0xa0 [ 22.156971] #2: (fc_lock){+.+.+.}, at: [<ffffffff83b1436a>] fc_probe+0x9a/0x110 [ 22.157806] #3: (misc_mtx){+.+.+.}, at: [<ffffffff81ce52c4>] misc_register+0x24/0x130
Thanks, Sasha
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