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Date:      Tue, 23 Oct 2018 11:20:54 +0200
From:      Peter Holm <peter@holm.cc>
To:        current@freebsd.org
Subject:   panic: mtx_lock() by idle thread ... mutex igb0 @ ../../../net/iflib.c:2084
Message-ID:  <20181023092053.GA22982@x2.osted.lan>

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Feeding entropy: .
lo0: link state changed to UP
panic: mtx_lock() by idle thread 0xfffff800036ac000 on sleep mutex igb0 @ ../../../net/iflib.c:2084
cpuid = 4
time = 1540286062
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe007876e610
vpanic() at vpanic+0x1a3/frame 0xfffffe007876e670
panic() at panic+0x43/frame 0xfffffe007876e6d0
__mtx_lock_flags() at __mtx_lock_flags+0x15a/frame 0xfffffe007876e720
iflib_admin_intr_deferred() at iflib_admin_intr_deferred+0x2a/frame 0xfffffe007876e750
em_msix_link() at em_msix_link+0x84/frame 0xfffffe007876e780
iflib_fast_intr_ctx() at iflib_fast_intr_ctx+0x21/frame 0xfffffe007876e7a0
intr_event_handle() at intr_event_handle+0xbb/frame 0xfffffe007876e7f0
intr_execute_handlers() at intr_execute_handlers+0x58/frame 0xfffffe007876e820
lapic_handle_intr() at lapic_handle_intr+0x5f/frame 0xfffffe007876e840
Xapic_isr1() at Xapic_isr1+0xd9/frame 0xfffffe007876e840
--- interrupt, rip = 0xffffffff811e6be6, rsp = 0xfffffe007876e910, rbp = 0xfffffe007876e910 ---
acpi_cpu_c1() at acpi_cpu_c1+0x6/frame 0xfffffe007876e910
acpi_cpu_idle() at acpi_cpu_idle+0x23d/frame 0xfffffe007876e960
cpu_idle_acpi() at cpu_idle_acpi+0x3f/frame 0xfffffe007876e980
cpu_idle() at cpu_idle+0xa7/frame 0xfffffe007876e9a0
sched_idletd() at sched_idletd+0x517/frame 0xfffffe007876ea70
fork_exit() at fork_exit+0x84/frame 0xfffffe007876eab0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe007876eab0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 11 tid 100007 ]
Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
db> x/s version
version:        FreeBSD 13.0-CURRENT r339638 PHO-GENERIC\012
db> 
-- 
Peter



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