Unread portion of the kernel message buffer: panic: TEST reached cpuid = 2 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe011f472990 vpanic() at vpanic+0x189/frame 0xfffffe011f472a10 panic() at panic+0x43/frame 0xfffffe011f472a70 em_txeof() at em_txeof+0x297/frame 0xfffffe011f472ad0 em_handle_tx() at em_handle_tx+0x85/frame 0xfffffe011f472b20 taskqueue_run_locked() at taskqueue_run_locked+0x139/frame 0xfffffe011f472b80 taskqueue_thread_loop() at taskqueue_thread_loop+0xc8/frame 0xfffffe011f472bb0 fork_exit() at fork_exit+0x9a/frame 0xfffffe011f472bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe011f472bf0 --- trap 0, rip = 0, rsp = 0xfffffe011f472cb0, rbp = 0 --- KDB: enter: panic Reading symbols from /tftpboot/netboot/boot/kernel/hwpmc.ko.symbols...done. Loaded symbols for /tftpboot/netboot/boot/kernel/hwpmc.ko.symbols Reading symbols from /tftpboot/netboot/boot/kernel/tmpfs.ko.symbols...done. Loaded symbols for /tftpboot/netboot/boot/kernel/tmpfs.ko.symbols #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 ) at pcpu.h:219 219 pcpu.h: No such file or directory. in pcpu.h (kgdb) whe #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 ) at pcpu.h:219 #1 0xffffffff803614f6 in db_fncall (dummy1=, dummy2=, dummy3=, dummy4=) at /home/sbruno/bsd/em_mq/sys/ddb/db_command.c:568 #2 0xffffffff803612b7 in db_command (cmd_table=0x0) at /home/sbruno/bsd/em_mq/sys/ddb/db_command.c:440 #3 0xffffffff80360f34 in db_command_loop () at /home/sbruno/bsd/em_mq/sys/ddb/db_command.c:493 #4 0xffffffff80363b60 in db_trap (type=, code=Unhandled dwarf expression opcode 0x93 ) at /home/sbruno/bsd/em_mq/sys/ddb/db_main.c:251 #5 0xffffffff80a232b4 in kdb_trap (type=Unhandled dwarf expression opcode 0x93 ) at /home/sbruno/bsd/em_mq/sys/kern/subr_kdb.c:654 #6 0xffffffff80e3732a in trap (frame=0xfffffe011f4728c0) at /home/sbruno/bsd/em_mq/sys/amd64/amd64/trap.c:540 #7 0xffffffff80e1a182 in calltrap () at /home/sbruno/bsd/em_mq/sys/amd64/amd64/exception.S:235 #8 0xffffffff80a2298e in kdb_enter (why=0xffffffff810d9419 "panic", msg=0xffffffff80a2bbb0 "UH\211�AWAVATSH\203�PI\211�A\211�H\213\004%P)}\201H\211E�\201<%�8}\201") at cpufunc.h:63 #9 0xffffffff809df709 in vpanic (fmt=, ap=) at /home/sbruno/bsd/em_mq/sys/kern/kern_shutdown.c:737 #10 0xffffffff809df553 in panic (fmt=0x0) at /home/sbruno/bsd/em_mq/sys/kern/kern_shutdown.c:675 #11 0xffffffff804ff937 in em_txeof (txr=) at /home/sbruno/bsd/em_mq/sys/dev/e1000/if_em.c:3967 #12 0xffffffff80504a85 in em_handle_tx (context=0xfffff80002c2dc00, pending=Unhandled dwarf expression opcode 0x93 ) at /home/sbruno/bsd/em_mq/sys/dev/e1000/if_em.c:1687 #13 0xffffffff80a36ad9 in taskqueue_run_locked (queue=0xfffff80002a13400) at /home/sbruno/bsd/em_mq/sys/kern/subr_taskqueue.c:431 #14 0xffffffff80a378d8 in taskqueue_thread_loop (arg=) at /home/sbruno/bsd/em_mq/sys/kern/subr_taskqueue.c:684 #15 0xffffffff809a48aa in fork_exit (callout=0xffffffff80a37810 , arg=0xfffff80002c2dcb0, frame=0xfffffe011f472c00) at /home/sbruno/bsd/em_mq/sys/kern/kern_fork.c:997 #16 0xffffffff80e1a6be in fork_trampoline () at /home/sbruno/bsd/em_mq/sys/amd64/amd64/exception.S:610 #17 0x0000000000000000 in ?? () Current language: auto; currently minimal (kgdb) f 11 #11 0xffffffff804ff937 in em_txeof (txr=) at /home/sbruno/bsd/em_mq/sys/dev/e1000/if_em.c:3967 3967 panic("TEST reached\n"); (kgdb) list 3962 ** would have been taken, so none processed 3963 ** for too long indicates a hang. local timer 3964 ** will examine this and do a reset if needed. 3965 */ 3966 if ((!processed) && ((ticks - txr->watchdog_time) > EM_WATCHDOG)) { 3967 panic("TEST reached\n"); 3968 txr->queue_status = EM_QUEUE_HUNG; 3969 } 3970 3971 /* (kgdb) p processed $1 = (kgdb) p ticks $2 = -2142977270 (kgdb) p txr->watchdog_time Cannot access memory at address 0xc00000087 (kgdb) p *txr Cannot access memory at address 0xc0000003f (kgdb) p txr $3 =