search for: taskqueue_run_locked

...0a0, rbp = 0xffffffcf75bd68f0 --- lzjb_compress() at lzjb_compress+0x185/frame 0xffffffcf75bd68f0 zio_compress_data() at zio_compress_data+0x92/frame 0xffffffcf75bd6920 zio_write_bp_init() at zio_write_bp_init+0x24b/frame 0xffffffcf75bd6970 zio_execute() at zio_execute+0xc3/frame 0xffffffcf75bd69b0 taskqueue_run_locked() at taskqueue_run_locked+0x74/frame 0xffffffcf75bd6a00 taskqueue_thread_loop() at taskqueue_thread_loop+0x46/frame 0xffffffcf75bd6a20 fork_exit() at fork_exit+0x11f/frame 0xffffffcf75bd6a70 fork_trampoline() at fork_trampoline+0xe/frame 0xffffffcf75bd6a70 --- trap 0, rip = 0, rsp = 0xffffffcf75bd6...

...had the chance to get a few ddb traces of the 'thread taskq' while the problem was occuring. Every few seconds I ran a ddb script and continued. I got five samples, after that ddb became unresponsive. All of them show the thread executing in unp_gc() like here: ---- unp_gc() at unp_gc+0x81 taskqueue_run_locked() at taskqueue_run_locked+0x85 taskqueue_thread_loop() at taskqueue_thread_loop+0x46 fork_exit() at fork_exit+0x11f fork_trampoline() at fork_trampoline+0xe ---- See all samples under [3]. This is consistent with some textdumps and ddb sessions I've done. Also, the sysctl 'net.local.taskco...