Date: Wed, 15 Jul 2015 14:13:18 -0700 From: Sean Bruno <sbruno@ignoranthack.me> To: freebsd-current@freebsd.org Subject: Re: Are DDB custom function hooks broken in head? Message-ID: <55A6CCEE.7030806@ignoranthack.me> In-Reply-To: <55A6C18E.1010108@ignoranthack.me> References: <55A6C18E.1010108@ignoranthack.me>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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 100006 ] Stopped > at kdb_alt_break_internal+0x197: movq $0,kdb_why db> > help ahd_dump ahd_in ahd_out ahd_pause > ahd_sunit ahd_unpause alltrace b break > bt c call capture continue > countfreebufs d delete dhwatch dump > dwatch em_dump_queue em_reset_dev examine findstack > gdb halt hwatch kill match > next p panic print ps > reboot reset run s script > scripts search set show step t > textdump thread trace unscript until > w watch watchdog where 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 0xfffffe00f7128160 kdb_reenter() > at kdb_reenter+0x33/frame 0xfffffe00f7128170 db_term() at > db_term+0x88/frame 0xfffffe00f7128190 db_unary() at > db_unary+0x74/frame 0xfffffe00f71281b0 db_mult_expr() at > db_mult_expr+0x1b/frame 0xfffffe00f71281f0 db_add_expr() at > db_add_expr+0x1b/frame 0xfffffe00f7128230 db_expression() at > db_expression+0x1d/frame 0xfffffe00f7128280 db_fncall() at > db_fncall+0x17/frame 0xfffffe00f7128320 db_command() at > db_command+0x361/frame 0xfffffe00f71283e0 db_command_loop() at > db_command_loop+0x64/frame 0xfffffe00f71283f0 db_trap() at > db_trap+0xdb/frame 0xfffffe00f7128480 kdb_trap() at > kdb_trap+0x194/frame 0xfffffe00f7128510 trap() at trap+0x4a1/frame > 0xfffffe00f7128720 calltrap() at calltrap+0x8/frame > 0xfffffe00f7128720 --- trap 0x3, rip = 0xffffffff80716767, rsp = > 0xfffffe00f71287e0, rbp = 0xfffffe00f7128810 --- > kdb_alt_break_internal() at kdb_alt_break_internal+0x197/frame > 0xfffffe00f7128810 kdb_alt_break() at kdb_alt_break+0xb/frame > 0xfffffe00f7128820 uart_intr_rxready() at > uart_intr_rxready+0x99/frame 0xfffffe00f7128850 uart_intr() at > uart_intr+0x111/frame 0xfffffe00f7128890 intr_event_handle() at > intr_event_handle+0x9c/frame 0xfffffe00f71288e0 > intr_execute_handlers() at intr_execute_handlers+0x48/frame > 0xfffffe00f7128910 lapic_handle_intr() at > lapic_handle_intr+0x68/frame 0xfffffe00f7128950 Xapic_isr1() at > Xapic_isr1+0xba/frame 0xfffffe00f7128950 --- interrupt, rip = > 0xffffffff80aa29f6, rsp = 0xfffffe00f7128a10, rbp = > 0xfffffe00f7128a20 --- acpi_cpu_c1() at acpi_cpu_c1+0x6/frame > 0xfffffe00f7128a20 acpi_cpu_idle() at acpi_cpu_idle+0x304/frame > 0xfffffe00f7128a70 cpu_idle_acpi() at cpu_idle_acpi+0x3f/frame > 0xfffffe00f7128a90 cpu_idle() at cpu_idle+0x92/frame > 0xfffffe00f7128ab0 sched_idletd() at sched_idletd+0x4d5/frame > 0xfffffe00f7128bb0 fork_exit() at fork_exit+0x84/frame > 0xfffffe00f7128bf0 fork_trampoline() at fork_trampoline+0xe/frame > 0xfffffe00f7128bf0 --- trap 0, rip = 0, rsp = 0xfffffe00f7128cb0, > rbp = 0 --- > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current To > unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" > > 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJVpszuXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5kwQAIALUj7/pmZ6xayYcIuSJRYiBH 2ZsKXKgQA8kxDGr2Ls17Kl3tU7R7ohEw/flmarZ6l+z53NSi4eqtdSi++YUxvI2c xfHsNuonuEq8b79lPvsMBFwTfAOP5EHu9+6XSVDaz+lYL/DPnthQgJ1AJgDIDC4n rAi/nqmkNav9+hG32bEWfqGQH1NTuFvYO6B+AZCtscjWIKT9YlbUrsslO/afn4WA tgEIE7lP82CB2ZFtAxSu9d0x8U4/2qoT1MxMqaj41gecaZ/fnuGCfylSlZ7nprVF u4OJLW76rBm5e2X+px7lxLmy1E3mGXEGzEuJgM5042ppJkbSdRi4di0WqD5HggE= =utgV -----END PGP SIGNATURE-----
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