Bug 456521
| Summary: | recursive locking on _xmit_ETHER | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | David Juran <djuran> |
| Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> |
| Status: | CLOSED INSUFFICIENT_DATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | rawhide | CC: | dcantrell |
| 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: | 2008-10-20 22:58:18 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: | |||
| Bug Depends On: | |||
| Bug Blocks: | 466414 | ||
Have you tested any recent kernels? We're up to kernel-2.6.27-0.382.rc8.git4.fc10 17 days and still no information from the reporter. Close? Sure. |
Description of problem: When testing the latest rawhide kernel on a HP BL685c G1, the following popped up on my console: Jul 24 12:08:11 risania kernel:<4> Jul 24 12:08:11 risania kernel:<4>============================================= Jul 24 12:08:11 risania kernel:<4>[ INFO: possible recursive locking detected ] Jul 24 12:08:11 risania kernel:<4>2.6.27-0.166.rc0.git8.fc10.x86_64 #1 Jul 24 12:08:11 risania kernel:<4>--------------------------------------------- Jul 24 12:08:11 risania kernel:<4>swapper/0 is trying to acquire lock: Jul 24 12:08:11 risania kernel:<4> (_xmit_ETHER){-+..}, at: [<ffffffff812828a3>] dev_watchdog+0x41/0x1a7 Jul 24 12:08:11 risania kernel:<4> Jul 24 12:08:11 risania kernel:<4>but task is already holding lock: Jul 24 12:08:11 risania kernel:<4> (_xmit_ETHER){-+..}, at: [<ffffffff812828a3>] dev_watchdog+0x41/0x1a7 Jul 24 12:08:11 risania kernel:<4> Jul 24 12:08:11 risania kernel:<4>other info that might help us debug this: Jul 24 12:08:11 risania kernel:<4>1 lock held by swapper/0: Jul 24 12:08:11 risania kernel:<4> #0: (_xmit_ETHER){-+..}, at: [<ffffffff812828a3>] dev_watchdog+0x41/0x1a7 Jul 24 12:08:11 risania kernel:<4> Jul 24 12:08:11 risania kernel:<4>stack backtrace: Jul 24 12:08:11 risania kernel:<4>Pid: 0, comm: swapper Not tainted 2.6.27-0.166.rc0.git8.fc10.x86_64 #1 Jul 24 12:08:11 risania kernel:<4> Jul 24 12:08:11 risania kernel:<4>Call Trace: Jul 24 12:08:11 risania kernel:<4> <IRQ> [<ffffffff81061b46>] __lock_acquire+0x790/0xaa7 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81060d80>] ? trace_hardirqs_on+0xd/0xf Jul 24 12:08:11 risania kernel:<4> [<ffffffff812828a3>] ? dev_watchdog+0x41/0x1a7 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81061ef3>] lock_acquire+0x96/0xc3 Jul 24 12:08:11 risania kernel:<4> [<ffffffff812828a3>] ? dev_watchdog+0x41/0x1a7 Jul 24 12:08:11 risania kernel:<4> [<ffffffff812f5eb8>] _spin_lock+0x2b/0x58 Jul 24 12:08:11 risania kernel:<4> [<ffffffff812828a3>] dev_watchdog+0x41/0x1a7 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81282862>] ? dev_watchdog+0x0/0x1a7 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81048ba6>] run_timer_softirq+0x17f/0x1f7 Jul 24 12:08:11 risania kernel:<4> [<ffffffff810450eb>] __do_softirq+0x83/0x110 Jul 24 12:08:11 risania kernel:<4> [<ffffffff8100dcbc>] call_softirq+0x1c/0x28 Jul 24 12:08:11 risania kernel:<4> [<ffffffff8100ef81>] do_softirq+0x52/0xb5 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81044c95>] irq_exit+0x53/0xa0 Jul 24 12:08:11 risania kernel:<4> [<ffffffff8101d160>] smp_apic_timer_interrupt+0x94/0xad Jul 24 12:08:11 risania kernel:<4> [<ffffffff8100d4c8>] apic_timer_interrupt+0x88/0x90 Jul 24 12:08:11 risania kernel:<4> <EOI> [<ffffffff81022880>] ? native_safe_halt+0x6/0x8 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81060d80>] ? trace_hardirqs_on+0xd/0xf Jul 24 12:08:11 risania kernel:<4> [<ffffffff81013537>] ? default_idle+0x2f/0x51 Jul 24 12:08:11 risania kernel:<4> [<ffffffff81013661>] ? c1e_idle+0x108/0x10f Jul 24 12:08:11 risania kernel:<4> [<ffffffff812f9204>] ? atomic_notifier_call_chain+0x14/0x16 Jul 24 12:08:11 risania kernel:<4> [<ffffffff8100b2d6>] ? cpu_idle+0x92/0xeb Jul 24 12:08:11 risania kernel:<4> [<ffffffff812efbef>] ? start_secondary+0x1a1/0x1a3 Jul 24 12:08:11 risania kernel:<4> Version-Release number of selected component (if applicable): kernel-2.6.27-0.166.rc0.git8.fc10.x86_64 How reproducible: Don't know