Attachment 163095 Details for Bug 204437 – debug

debug

debug.txt (text/plain), 5.37 KB, created by Cassiano Peixoto on 2015-11-13 12:53:37 UTC

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Creator: Cassiano Peixoto

Created: 2015-11-13 12:53:37 UTC

Size: 5.37 KB

patch

obsolete

># kgdb kernel.debug /var/crash/vmcore.0
>GNU gdb 6.1.1 [FreeBSD]
>Copyright 2004 Free Software Foundation, Inc.
>GDB is free software, covered by the GNU General Public License, and you are
>welcome to change it and/or distribute copies of it under certain conditions.
>Type "show copying" to see the conditions.
>There is absolutely no warranty for GDB.  Type "show warranty" for details.
>This GDB was configured as "amd64-marcel-freebsd"...
>
>Unread portion of the kernel message buffer:
>
>
>Fatal trap 12: page fault while in kernel mode
>cpuid = 4; apic id = 32
>fault virtual address	= 0x0
>fault code		= supervisor read data, page not present
>instruction pointer	= 0x20:0xffffffff80ac9cbe
>stack pointer	        = 0x28:0xfffffe02ebd758b0
>frame pointer	        = 0x28:0xfffffe02ebd758f0
>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		= 12 (swi1: netisr 0)
>trap number		= 12
>panic: page fault
>cpuid = 4
>KDB: stack backtrace:
>#0 0xffffffff808fc8e0 at kdb_backtrace+0x60
>#1 0xffffffff808c0526 at vpanic+0x126
>#2 0xffffffff808c03f3 at panic+0x43
>#3 0xffffffff80d48e7b at trap_fatal+0x36b
>#4 0xffffffff80d4917d at trap_pfault+0x2ed
>#5 0xffffffff80d4881a at trap+0x47a
>#6 0xffffffff80d2e8c2 at calltrap+0x8
>#7 0xffffffff80acaa7a at ipsec4_in_reject+0x2a
>#8 0xffffffff80a73b3b at tcp_input+0x89b
>#9 0xffffffff80a0484b at ip_input+0xab
>#10 0xffffffff8099efb3 at swi_net+0x143
>#11 0xffffffff80890d6b at intr_event_execute_handlers+0xab
>#12 0xffffffff808911b6 at ithread_loop+0x96
>#13 0xffffffff8088e8aa at fork_exit+0x9a
>#14 0xffffffff80d2edfe at fork_trampoline+0xe
>Uptime: 24m15s
>Dumping 807 out of 12248 MB:..2%..12%..22%..32%..42%..52%..62%..72%..82%..92%
>
>Reading symbols from /boot/kernel/zfs.ko.symbols...done.
>Loaded symbols for /boot/kernel/zfs.ko.symbols
>Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
>Loaded symbols for /boot/kernel/opensolaris.ko.symbols
>Reading symbols from /boot/kernel/if_lagg.ko.symbols...done.
>Loaded symbols for /boot/kernel/if_lagg.ko.symbols
>Reading symbols from /boot/kernel/coretemp.ko.symbols...done.
>Loaded symbols for /boot/kernel/coretemp.ko.symbols
>Reading symbols from /boot/modules/plcm.ko...done.
>Loaded symbols for /boot/modules/plcm.ko
>Reading symbols from /boot/kernel/ums.ko.symbols...done.
>Loaded symbols for /boot/kernel/ums.ko.symbols
>#0  doadump (textdump=<value optimized out>) at pcpu.h:219
>219		__asm("movq %%gs:%1,%0" : "=r" (td)
>(kgdb) list *0xffffffff80ac9cbe
>0xffffffff80ac9cbe is in ipsec_getpolicybysock (/usr/src/sys/netipsec/ipsec.c:502).
>497		IPSEC_ASSERT(inp != NULL, ("null inp"));
>498		IPSEC_ASSERT(inp->inp_sp != NULL, ("null inp_sp"));
>499		IPSEC_ASSERT(inp->inp_sp->sp_out != NULL && inp->inp_sp->sp_in != NULL,
>500			("null sp_in || sp_out"));
>501	
>502		error = ipsec_setspidx(m, &inp->inp_sp->sp_in->spidx, 1);
>503		if (error == 0) {
>504			inp->inp_sp->sp_in->spidx.dir = IPSEC_DIR_INBOUND;
>505			inp->inp_sp->sp_out->spidx = inp->inp_sp->sp_in->spidx;
>506			inp->inp_sp->sp_out->spidx.dir = IPSEC_DIR_OUTBOUND;
>Current language:  auto; currently minimal
>(kgdb) f 7
>#7  0xffffffff80d2e8c2 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236
>236		call	trap
>Current language:  auto; currently asm
>(kgdb) p *inp
>No symbol "inp" in current context.
>(kgdb) f 8
>#8  0xffffffff80ac9cbe in ipsec_getpolicybysock (m=0xfffff80104139a00, dir=1, inp=0xfffff802b8f0ac40, error=0xfffffe02ebd75904) at /usr/src/sys/netipsec/ipsec.c:502
>502		error = ipsec_setspidx(m, &inp->inp_sp->sp_in->spidx, 1);
>Current language:  auto; currently minimal
>(kgdb) p *inp
>$1 = {inp_hash = {le_next = 0x0, le_prev = 0xfffff802bc6c4dc8}, inp_pcbgrouphash = {le_next = 0x0, le_prev = 0x0}, inp_list = {le_next = 0xfffff802b58ac930, 
>    le_prev = 0xfffff802bc6c4de8}, inp_ppcb = 0x0, inp_pcbinfo = 0xffffffff81609b18, inp_pcbgroup = 0x0, inp_pcbgroup_wild = {le_next = 0x0, le_prev = 0x0}, inp_socket = 0x0, 
>  inp_cred = 0xfffff80023116400, inp_flow = 0, inp_flags = 75497536, inp_flags2 = 16, inp_vflag = 0 '\0', inp_ip_ttl = 64 '@', inp_ip_p = 0 '\0', inp_ip_minttl = 0 '\0', 
>  inp_flowid = 0, inp_refcount = 1, inp_pspare = {0x0, 0x0, 0x0, 0x0, 0x0}, inp_flowtype = 0, inp_ispare = {0, 0, 0, 0, 0}, inp_inc = {inc_flags = 0 '\0', inc_len = 0 '\0', 
>    inc_fibnum = 0, inc_ie = {ie_fport = 16389, ie_lport = 43128, ie_dependfaddr = {ie46_foreign = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = {s_addr = 16777343}}, ie6_foreign = {
>          __u6_addr = {__u6_addr8 = '\0' <repeats 12 times>, "\177\000\000\001", __u6_addr16 = {0, 0, 0, 0, 0, 0, 127, 256}, __u6_addr32 = {0, 0, 0, 16777343}}}}, 
>      ie_dependladdr = {ie46_local = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = {s_addr = 16777343}}, ie6_local = {__u6_addr = {
>            __u6_addr8 = '\0' <repeats 12 times>, "\177\000\000\001", __u6_addr16 = {0, 0, 0, 0, 0, 0, 127, 256}, __u6_addr32 = {0, 0, 0, 16777343}}}}}}, inp_label = 0x0, 
>  inp_sp = 0x0, inp_depend4 = {inp4_ip_tos = 0 '\0', inp4_options = 0x0, inp4_moptions = 0x0}, inp_depend6 = {inp6_options = 0x0, inp6_outputopts = 0x0, inp6_moptions = 0x0, 
>    inp6_icmp6filt = 0x0, inp6_cksum = 0, inp6_hops = 0}, inp_portlist = {le_next = 0x0, le_prev = 0xfffff802afbe6b70}, inp_phd = 0xfffff802afbe6b60, inp_gencnt = 1259281, 
>  inp_lle = 0x0, inp_rt = 0x0, inp_lock = {lock_object = {lo_name = 0xffffffff80fd1801 "tcpinp", lo_flags = 90898432, lo_data = 0, lo_witness = 0x0}, 
>    rw_lock = 18446735277678684480}}
>(kgdb) 
>

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Attachments on bug 204437: 163095 | 163350