Bug 232340
| Summary: | INFO: inconsistent lock state 2.6.20-1.2986.fc7 serial8250_backup_timeout | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Orion Poplawski <orion> |
| Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> |
| Status: | CLOSED WORKSFORME | QA Contact: | Brian Brock <bbrock> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | rawhide | ||
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2007-10-17 20:37:41 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Are you still seeing this with the current builds ? *** Bug 237515 has been marked as a duplicate of this bug. *** Yup, just filed a duplicate by accident.
<4>=================================
<4>[ INFO: inconsistent lock state ]
<4>2.6.20-1.3094.fc7 #1
<4>---------------------------------
<4>inconsistent {hardirq-on-W} -> {in-hardirq-W} usage.
<4>swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes:
<4> (&port_lock_key){++..}, at: [<c0558f96>] serial8250_interrupt+0x4a/0xe0
<4>{hardirq-on-W} state was registered at:
<4> [<c044021d>] __lock_acquire+0x448/0xba9
<4> [<c0440d70>] lock_acquire+0x56/0x6f
<4> [<c060ffd1>] _spin_lock+0x2b/0x38
<4> [<c055893b>] serial8250_backup_timeout+0x6d/0xe8
<4> [<c042c972>] run_timer_softirq+0x121/0x189
<4> [<c0429dfb>] __do_softirq+0x6f/0xe2
<4> [<c0407a64>] do_softirq+0x61/0xd0
<4> [<ffffffff>] 0xffffffff
<4>irq event stamp: 332718
<4>hardirqs last enabled at (332717): [<c0403dde>] default_idle+0x3e/0x59
<4>hardirqs last disabled at (332718): [<c0406054>] common_interrupt+0x24/0x40
<4>softirqs last enabled at (332708): [<c0429e68>] __do_softirq+0xdc/0xe2
<4>softirqs last disabled at (332691): [<c0407a64>] do_softirq+0x61/0xd0
<4>
<4>other info that might help us debug this:
<4>1 lock held by swapper/0:
<4> #0: (&irq_lists[i].lock){+...}, at: [<c0558f61>] serial8250_interrupt+0x15/0xe0
<4>
<4>stack backtrace:
<4> [<c0406832>] show_trace_log_lvl+0x1a/0x2f
<4> [<c0406df1>] show_trace+0x12/0x14
<4> [<c0406e75>] dump_stack+0x16/0x18
<4> [<c043ed13>] print_usage_bug+0x141/0x14b
<4> [<c043f402>] mark_lock+0xa2/0x419
<4> [<c044018e>] __lock_acquire+0x3b9/0xba9
<4> [<c0440d70>] lock_acquire+0x56/0x6f
<4> [<c060ffd1>] _spin_lock+0x2b/0x38
<4> [<c0558f96>] serial8250_interrupt+0x4a/0xe0
<4> [<c045699a>] handle_IRQ_event+0x1a/0x46
<4> [<c0457a8a>] handle_fasteoi_irq+0x7d/0xb6
<4> [<c0407b84>] do_IRQ+0xb1/0xd9
<4> =======================
No longer testing on this hardware, not seeing anywhere else. |
On a Dell PowerEdge 2650: <4>[ INFO: inconsistent lock state ] <4>2.6.20-1.2986.fc7 #1 <4>--------------------------------- <4>inconsistent {hardirq-on-W} -> {in-hardirq-W} usage. <4>swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes: <4> (&port_lock_key){++..}, at: [<c05580ca>] serial8250_interrupt+0x4a/0xe0 <4>{hardirq-on-W} state was registered at: <4> [<c0440085>] __lock_acquire+0x448/0xba9 <4> [<c0440bd8>] lock_acquire+0x56/0x6f <4> [<c060edf1>] _spin_lock+0x2b/0x38 <4> [<c0557a6f>] serial8250_backup_timeout+0x6d/0xe8 <4> [<c042c91c>] run_timer_softirq+0x121/0x189 <4> [<c0429e13>] __do_softirq+0x6f/0xe2 <4> [<c0407a74>] do_softirq+0x61/0xd0 <4> [<ffffffff>] 0xffffffff <4>irq event stamp: 274386 <4>hardirqs last enabled at (274385): [<c0403de2>] default_idle+0x3e/0x59 <4>hardirqs last disabled at (274386): [<c0406064>] common_interrupt+0x24/0x40 <4>softirqs last enabled at (274376): [<c0429e80>] __do_softirq+0xdc/0xe2 <4>softirqs last disabled at (274359): [<c0407a74>] do_softirq+0x61/0xd0 <4> <4>other info that might help us debug this: <4>1 lock held by swapper/0: <4> #0: (&irq_lists[i].lock){+...}, at: [<c0558095>] serial8250_interrupt+0x15/0xe0 <4> <4>stack backtrace: <4> [<c0406842>] show_trace_log_lvl+0x1a/0x2f <4> [<c0406e01>] show_trace+0x12/0x14 <4> [<c0406e85>] dump_stack+0x16/0x18 <4> [<c043eb7b>] print_usage_bug+0x141/0x14b <4> [<c043f26a>] mark_lock+0xa2/0x419 <4> [<c043fff6>] __lock_acquire+0x3b9/0xba9 <4> [<c0440bd8>] lock_acquire+0x56/0x6f <4> [<c060edf1>] _spin_lock+0x2b/0x38 <4> [<c05580ca>] serial8250_interrupt+0x4a/0xe0 <4> [<c04567aa>] handle_IRQ_event+0x1a/0x46 <4> [<c045789a>] handle_fasteoi_irq+0x7d/0xb6 <4> [<c0407b94>] do_IRQ+0xb1/0xd9