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On 07/15/15 13:24, Sean Bruno wrote:
I added a couple of DDB_HOOKS to em(4) recently and they definitely
used to work. :-)
KDB: enter: Break to debugger [ thread pid 11 tid 16 ] Stopped
at kdb_alt_break_internal+0x197: movq$0,kdb_why db
help ahd_dumpahd_in ahd_out ahd_pause
ahd_sunit ahd_unpause alltraceb break
bt c call capture continue
countfreebufs d delete dhwatch dump
dwatch em_dump_queue em_reset_devexamine findstack
gdb halthwatch kill match
nextp panic print ps
reboot reset run s script
scripts search set showstep t
textdumpthread trace unscriptuntil
w watch watchdogwhere write
x db call em_dump_queue Symbol not found KDB: reentering KDB:
stack backtrace: db_trace_self_wrapper() at
db_trace_self_wrapper+0x2b/frame 0xfe00f7128160 kdb_reenter()
at kdb_reenter+0x33/frame 0xfe00f7128170 db_term() at
db_term+0x88/frame 0xfe00f7128190 db_unary() at
db_unary+0x74/frame 0xfe00f71281b0 db_mult_expr() at
db_mult_expr+0x1b/frame 0xfe00f71281f0 db_add_expr() at
db_add_expr+0x1b/frame 0xfe00f7128230 db_expression() at
db_expression+0x1d/frame 0xfe00f7128280 db_fncall() at
db_fncall+0x17/frame 0xfe00f7128320 db_command() at
db_command+0x361/frame 0xfe00f71283e0 db_command_loop() at
db_command_loop+0x64/frame 0xfe00f71283f0 db_trap() at
db_trap+0xdb/frame 0xfe00f7128480 kdb_trap() at
kdb_trap+0x194/frame 0xfe00f7128510 trap() at trap+0x4a1/frame
0xfe00f7128720 calltrap() at calltrap+0x8/frame
0xfe00f7128720 --- trap 0x3, rip = 0x80716767, rsp =
0xfe00f71287e0, rbp = 0xfe00f7128810 ---
kdb_alt_break_internal() at kdb_alt_break_internal+0x197/frame
0xfe00f7128810 kdb_alt_break() at kdb_alt_break+0xb/frame
0xfe00f7128820 uart_intr_rxready() at
uart_intr_rxready+0x99/frame 0xfe00f7128850 uart_intr() at
uart_intr+0x111/frame 0xfe00f7128890 intr_event_handle() at
intr_event_handle+0x9c/frame 0xfe00f71288e0
intr_execute_handlers() at intr_execute_handlers+0x48/frame
0xfe00f7128910 lapic_handle_intr() at
lapic_handle_intr+0x68/frame 0xfe00f7128950 Xapic_isr1() at
Xapic_isr1+0xba/frame 0xfe00f7128950 --- interrupt, rip =
0x80aa29f6, rsp = 0xfe00f7128a10, rbp =
0xfe00f7128a20 --- acpi_cpu_c1() at acpi_cpu_c1+0x6/frame
0xfe00f7128a20 acpi_cpu_idle() at acpi_cpu_idle+0x304/frame
0xfe00f7128a70 cpu_idle_acpi() at cpu_idle_acpi+0x3f/frame
0xfe00f7128a90 cpu_idle() at cpu_idle+0x92/frame
0xfe00f7128ab0 sched_idletd() at sched_idletd+0x4d5/frame
0xfe00f7128bb0 fork_exit() at fork_exit+0x84/frame
0xfe00f7128bf0 fork_trampoline() at fork_trampoline+0xe/frame
0xfe00f7128bf0 --- trap 0, rip = 0, rsp = 0xfe00f7128cb0,
rbp = 0 ---
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Or ... you know ... I could just type em_dump_queue without the
call in it ... if I wanted it to actually work.
Thanks to those of you poking me off list with my derpy-ness today. :-)
sean
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