I've some of these in my dmesg output, for ubuntu kernel 2.6.38-020638-generic, on 10.10: [433850.173586] BUG: scheduling while atomic: expect_create_u/9806/0x00000200 [433850.173683] Pid: 9806, comm: expect_create_u Not tainted 2.6.38-020638-generic #201103151303 [433850.173688] Call Trace: [433850.173705] [<c103f405>] ? __schedule_bug+0x65/0x70 [433850.173710] [<c150a2d5>] ? schedule+0x5a5/0x6e0 [433850.173713] [<c103cd7f>] ? __enqueue_entity+0x8f/0xb0 [433850.173717] [<c1048612>] ? enqueue_entity+0x72/0x120 [433850.173720] [<c104870a>] ? enqueue_task_fair+0x4a/0x80 [433850.173722] [<c103aee2>] ? resched_task+0x22/0x70 [433850.173726] [<c1042f58>] ? check_preempt_curr+0x68/0x80 [433850.173729] [<c150a906>] ? schedule_timeout+0x146/0x260 [433850.173732] [<c104b234>] ? wake_up_process+0x14/0x20 [433850.173736] [<c1066939>] ? wake_up_worker+0x19/0x20 [433850.173739] [<c1066990>] ? insert_work+0x50/0x60 [433850.173741] [<c150a5c2>] ? wait_for_common+0xa2/0x120 [433850.173744] [<c104b1e0>] ? default_wake_function+0x0/0x20 [433850.173746] [<c150a717>] ? wait_for_completion+0x17/0x20 [433850.173749] [<c1065d0e>] ? call_usermodehelper_exec+0x8e/0xa0 [433850.173754] [<f9d3e487>] ? ctnetlink_create_conntrack+0x2f7/0x330 [nf_conntrack_netlink] ... [434303.777903] BUG: scheduling while atomic: lt-expect_creat/9972/0x00000200 [434303.777946] Pid: 9972, comm: lt-expect_creat Not tainted 2.6.38-020638-generic #201103151303 [434303.777948] Call Trace: [434303.777956] [<c103f405>] ? __schedule_bug+0x65/0x70 [434303.777960] [<c150a2d5>] ? schedule+0x5a5/0x6e0 [434303.777963] [<c103cd7f>] ? __enqueue_entity+0x8f/0xb0 [434303.777967] [<c1048612>] ? enqueue_entity+0x72/0x120 [434303.777970] [<c104870a>] ? enqueue_task_fair+0x4a/0x80 [434303.777973] [<c103aee2>] ? resched_task+0x22/0x70 [434303.777977] [<c1042f58>] ? check_preempt_curr+0x68/0x80 [434303.777980] [<c150a906>] ? schedule_timeout+0x146/0x260 [434303.777983] [<c104b234>] ? wake_up_process+0x14/0x20 [434303.777986] [<c1066939>] ? wake_up_worker+0x19/0x20 [434303.777987] [<c1066990>] ? insert_work+0x50/0x60 [434303.777990] [<c150a5c2>] ? wait_for_common+0xa2/0x120 [434303.777993] [<c104b1e0>] ? default_wake_function+0x0/0x20 [434303.777995] [<c150a717>] ? wait_for_completion+0x17/0x20 [434303.777997] [<c1065d0e>] ? call_usermodehelper_exec+0x8e/0xa0 [434303.778002] [<f9d3e487>] ? ctnetlink_create_conntrack+0x2f7/0x330 [nf_conntrack_netlink] ...
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