Timecounter "TSC-low" frequency 1150020678 Hz quality 1000 Trying to mount root from nfs:132.65.80.8:/d/a []... Sleeping thread (tid 100002, pid 1) owns a non-sleepable lock KDB: stack backtrace of thread 100002: sched_switch() at sched_switch+0x2b3/frame 0xfffffe28133eba30 mi_switch() at mi_switch+0xe1/frame 0xfffffe28133eba70 sleepq_timedwait() at sleepq_timedwait+0x3a/frame 0xfffffe28133ebaa0 linux_wait_for_timeout_common() at linux_wait_for_timeout_common+0xa5/frame 0xfffffe28133ebae0 __mlx4_cmd() at __mlx4_cmd+0x331/frame 0xfffffe28133ebbc0 mlx4_en_DUMP_ETH_STATS() at mlx4_en_DUMP_ETH_STATS+0x147/frame 0xfffffe28133ebcc0 mlx4_en_open() at mlx4_en_open+0x7b/frame 0xfffffe28133ebd00 ether_ioctl() at ether_ioctl+0x8a/frame 0xfffffe28133ebd30 in_control() at in_control+0xcc9/frame 0xfffffe28133ebde0 ifioctl() at ifioctl+0x15eb/frame 0xfffffe28133ebea0 nfs_mount() at nfs_mount+0x687/frame 0xfffffe28133ec300 vfs_donmount() at vfs_donmount+0xf96/frame 0xfffffe28133ec5d0 kernel_mount() at kernel_mount+0x3d/frame 0xfffffe28133ec620 parse_mount() at parse_mount+0x62c/frame 0xfffffe28133ec760 vfs_mountroot() at vfs_mountroot+0x9ac/frame 0xfffffe28133ec9e0 start_init() at start_init+0x53/frame 0xfffffe28133eca70 fork_exit() at fork_exit+0x9a/frame 0xfffffe28133ecab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe28133ecab0 --- trap 0, rip = 0, rsp = 0xfffffe28133ecb70, rbp = 0 --- panic: sleeping thread cpuid = 32 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe26ef9046a0 kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe26ef904750 vpanic() at vpanic+0x126/frame 0xfffffe26ef904790 panic() at panic+0x43/frame 0xfffffe26ef9047f0 propagate_priority() at propagate_priority+0x259/frame 0xfffffe26ef904820 turnstile_wait() at turnstile_wait+0x3fe/frame 0xfffffe26ef904870 __mtx_lock_sleep() at __mtx_lock_sleep+0x26b/frame 0xfffffe26ef9048f0 softclock_call_cc() at softclock_call_cc+0x129/frame 0xfffffe26ef9049b0 softclock() at softclock+0x94/frame 0xfffffe26ef9049e0 intr_event_execute_handlers() at intr_event_execute_handlers+0xab/frame 0xfffffe26ef904a20 ithread_loop() at ithread_loop+0x96/frame 0xfffffe26ef904a70 fork_exit() at fork_exit+0x9a/frame 0xfffffe26ef904ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe26ef904ab0 --- trap 0, rip = 0, rsp = 0xfffffe26ef904b70, rbp = 0 --- KDB: enter: panic [ thread pid 12 tid 100043 ] Stopped at kdb_enter+0x3e: movq $0,kdb_why