https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224359
--- Comment #8 from Ray Bellis <[email protected]> --- here's an extract of the output when I start `kgdb`: <6>lo0: link state changed to UP <6>bge0: link state changed to DOWN ipmi0: KCS: Failed to read address ipmi0: KCS error: 01 ipmi0: KCS: Failed to write data byte 203 ipmi0: KCS error: 01 Fatal trap 12: page fault while in kernel mode cpuid = 3; apic id = 03 fault virtual address = 0x200000519 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff8213e0f6 stack pointer = 0x28:0xfffffe00c614eea0 frame pointer = 0x28:0xfffffe00c614eeb0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 8 (ipmi0: kcs) rdi: fffff80003c95000 rsi: ffffffff823b9e80 rdx: 0000000000000ca8 rcx: 0000000000000001 r8: 0000009a13a173c8 r9: fffff80035080000 rax: 0000000000000000 rbx: 0000000200000501 rbp: fffffe00c614eeb0 r10: 000000000000001d r11: 0000fff5cecfdfc5 r12: ffffffff823b9e80 r13: 0000000000000003 r14: fffff80035080000 r15: fffff80003c95110 trap number = 12 panic: page fault cpuid = 3 time = 1748856626 KDB: stack backtrace: #0 0xffffffff80b8b88d at kdb_backtrace+0x5d #1 0xffffffff80b3dc11 at vpanic+0x131 #2 0xffffffff80b3dad3 at panic+0x43 #3 0xffffffff81025a0b at trap_fatal+0x40b #4 0xffffffff81025a56 at trap_pfault+0x46 #5 0xffffffff80ffc388 at calltrap+0x8 #6 0xffffffff8214100b at kcs_loop+0x9b #7 0xffffffff80af760f at fork_exit+0x7f #8 0xffffffff80ffd3ee at fork_trampoline+0xe Uptime: 13s (kgdb) f 8 560 TAILQ_INSERT_TAIL(&dev->ipmi_completed_requests, req, ir_link); (kgdb) i lo dev = 0x200000501 (kgdb) p/x *sc $1 = {ipmi_dev = 0xfffff800039d8600, _iface = {bt = {seq = 0x0}, kcs = {<No data fields>}, smic = {<No data fields>}, ssif = {smbus = 0x0, smbus_address = 0x0}}, ipmi_io_rid = 0x0, ipmi_io_type = 0x4, ipmi_io_lock = {lock_object = {lo_name = 0xffffffff82146b26, lo_flags = 0x1030000, lo_data = 0x0, lo_witness = 0x0}, mtx_lock = 0x0}, ipmi_io_res = {0xfffff80003c9ce80, 0xfffff80003c9cd80, 0x0}, ipmi_io_spacing = 0x1, ipmi_irq_rid = 0x0, ipmi_irq_res = 0xfffff80003c9cc80, ipmi_irq = 0x0, ipmi_detaching = 0x0, ipmi_opened = 0x0, ipmi_dev_support = 0x0, ipmi_cdev = 0x0, ipmi_pending_requests = { tqh_first = 0x0, tqh_last = 0xfffff80003c95088}, ipmi_pending_requests_highpri = {tqh_first = 0x0, tqh_last = 0xfffff80003c95098}, ipmi_driver_requests_polled = 0x1, ipmi_power_cycle_tag = 0x0, ipmi_watchdog_tag = 0x0, ipmi_shutdown_tag = 0x0, ipmi_watchdog_active = 0x0, ipmi_watchdog_actions = 0x0, ipmi_watchdog_pretimeout = 0x0, ipmi_ich = {ich_links = {stqe_next = 0xfffffe00c630e010}, ich_state = 0x3, ich_func = 0xffffffff8213e320, ich_arg = 0xfffff80003c95000}, ipmi_requests_lock = {lock_object = { lo_name = 0xffffffff82146c92, lo_flags = 0x1030000, lo_data = 0x0, lo_witness = 0x0}, mtx_lock = 0xfffff80035080000}, ipmi_request_added = {cv_description = 0xffffffff8214655c, cv_waiters = 0x0}, ipmi_kthread = 0xfffffe00c5f20b00, ipmi_intr = 0x0, ipmi_startup = 0xffffffff82140730, ipmi_enqueue_request = 0xffffffff8213e1f0, ipmi_driver_request = 0xffffffff82140780} (kgdb) p/x *req $5 = {ir_link = {tqe_next = 0x0, tqe_prev = 0xffffffff00000000}, ir_owner = 0x200000501, ir_request = 0xffffffff81b6eb20, ir_requestlen = 0x9fffff470, ir_reply = 0xffffffff81b6e5b8, ir_replybuflen = 0x103, ir_replylen = 0x81b6e5b8, ir_error = 0x5, ir_msgid = 0xffffffff823b9ee0, ir_addr = 0xdb, ir_command = 0xad, ir_compcode = 0xb4, ir_ipmb = 0x80, ir_ipmb_addr = 0xff, ir_ipmb_command = 0xff} -- You are receiving this mail because: You are the assignee for the bug.
