Re: panic: mtx_lock() by idle thread ... mutex igb0 _at_ ../../../net/iflib.c:2084

I think this was caused by https://reviews.freebsd.org/D17404 which has been reverted. https://reviews.freebsd.org/D17674 will replace it.

Thanks,
Jeff

On 10/23/18, 3:54 PM, "owner-freebsd-current_at_freebsd.org on behalf of Matthew Macy" <owner-freebsd-current_at_freebsd.org on behalf of mmacy_at_freebsd.org> wrote:

    Will fix.
    On Tue, Oct 23, 2018 at 2:21 AM Peter Holm <peter_at_holm.cc> wrote:
    >
    > 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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