ath5k lockdep warning in 39-rc6+
The main problem with this is that it disables lockdep after this...
lanforge-D0-20 login: INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator.
Pid: 1934, comm: net.hotplug Not tainted 2.6.39-rc6-wlc3+ #6
Call Trace: [<c0448994>] register_lock_class+0x102/0x277 [<c044a4d0>] __lock_acquire+0x8e/0xb78 [<c0625bf3>] ? __ata_qc_complete+0xca/0xcf [<c062767a>] ? ata_qc_complete+0x15d/0x163 [<c06353c8>] ? ata_hsm_qc_complete+0x9c/0xb5 [<c0635954>] ? ata_sff_hsm_move+0x573/0x592 [<c044b016>] lock_acquire+0x5c/0x70 [<f9c2fe71>] ? ath5k_set_current_imask+0x21/0x62 [ath5k] [<c075d798>] _raw_spin_lock_irqsave+0x46/0x56 [<f9c2fe71>] ? ath5k_set_current_imask+0x21/0x62 [ath5k] [<f9c2fe71>] ath5k_set_current_imask+0x21/0x62 [ath5k] [<f9c30158>] ath5k_intr+0x2a6/0x3e5 [ath5k] [<c0468b0f>] handle_irq_event_percpu+0x24/0x123 [<c0468c3a>] handle_irq_event+0x2c/0x43 [<c046a37f>] ? handle_edge_irq+0xaa/0xaa [<c046a3e9>] handle_fasteoi_irq+0x6a/0x88 <IRQ> [<c040315f>] ? do_IRQ+0x34/0x95 [<c0449990>] ? trace_hardirqs_on_caller+0xfe/0x11f [<c076202e>] ? common_interrupt+0x2e/0x40
Signature · 2 lines
Ben Greear <[email protected]> Candela Technologies Inc http://www.candelatech.com
Quoted 19 lines · Ben Greear
The main problem with this is that it disables lockdep after this...
lanforge-D0-20 login: INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator.
Pid: 1934, comm: net.hotplug Not tainted 2.6.39-rc6-wlc3+ #6Call Trace: [<c0448994>] register_lock_class+0x102/0x277 [<c044a4d0>] __lock_acquire+0x8e/0xb78 [<c0625bf3>] ? __ata_qc_complete+0xca/0xcf [<c062767a>] ? ata_qc_complete+0x15d/0x163 [<c06353c8>] ? ata_hsm_qc_complete+0x9c/0xb5 [<c0635954>] ? ata_sff_hsm_move+0x573/0x592 [<c044b016>] lock_acquire+0x5c/0x70 [<f9c2fe71>] ? ath5k_set_current_imask+0x21/0x62 [ath5k] [<c075d798>] _raw_spin_lock_irqsave+0x46/0x56 [<f9c2fe71>] ? ath5k_set_current_imask+0x21/0x62 [ath5k] [<f9c2fe71>] ath5k_set_current_imask+0x21/0x62 [ath5k]
Quoted 10 lines
[<f9c30158>] ath5k_intr+0x2a6/0x3e5 [ath5k] [<c0468b0f>] handle_irq_event_percpu+0x24/0x123 [<c0468c3a>] handle_irq_event+0x2c/0x43 [<c046a37f>] ? handle_edge_irq+0xaa/0xaa [<c046a3e9>] handle_fasteoi_irq+0x6a/0x88 <IRQ> [<c040315f>] ? do_IRQ+0x34/0x95 [<c0449990>] ? trace_hardirqs_on_caller+0xfe/0x11f [<c076202e>] ? common_interrupt+0x2e/0x40
Hrm, may be worse..maybe this is the cause of the deadlock I'm seeing. This printed out shortly after:
BUG: spinlock lockup on CPU#0, net.hotplug/1934, f5acc470 Pid: 1934, comm: net.hotplug Not tainted 2.6.39-rc6-wlc3+ #6 Call Trace: [<c057ecf7>] do_raw_spin_lock+0xea/0x108 [<c075d79f>] _raw_spin_lock_irqsave+0x4d/0x56 [<f9c2fe71>] ? ath5k_set_current_imask+0x21/0x62 [ath5k] [<f9c2fe71>] ath5k_set_current_imask+0x21/0x62 [ath5k] [<f9c30158>] ath5k_intr+0x2a6/0x3e5 [ath5k] [<c0468b0f>] handle_irq_event_percpu+0x24/0x123 [<c0468c3a>] handle_irq_event+0x2c/0x43 [<c046a37f>] ? handle_edge_irq+0xaa/0xaa [<c046a3e9>] handle_fasteoi_irq+0x6a/0x88 <IRQ> [<c040315f>] ? do_IRQ+0x34/0x95 [<c0449990>] ? trace_hardirqs_on_caller+0xfe/0x11f [<c076202e>] ? common_interrupt+0x2e/0x40
Signature · 2 lines
Ben Greear <[email protected]> Candela Technologies Inc http://www.candelatech.com