Attachment 178985 Details for Bug 216171 – kgdb script

kgdb script

script.txt (text/plain), 8.40 KB, created by Eugene Grosbein on 2017-01-17 10:08:31 UTC

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Creator: Eugene Grosbein

Created: 2017-01-17 10:08:31 UTC

Size: 8.40 KB

patch

obsolete

>Script started on Tue Jan 17 16:52:00 2017
>Command: kgdb kernel.debug /var/crash/vmcore.8
>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 "i386-marcel-freebsd"...
>
>Unread portion of the kernel message buffer:
>panic: rm_rlock: recursed on non-recursive rmlock IPFW static rules @ /usr/local/src/sys/netpfil/ipfw/ip_fw2.c:1260
>
>cpuid = 0
>KDB: stack backtrace:
>db_trace_self_wrapper(c0a7b2d2,0,e0705233,705258,1,...) at 0xc05065ca = db_trace_self_wrapper+0x2a/frame 0xe0705218
>kdb_backtrace(c0acc711,0,c0a75559,e07052e4,0,...) at 0xc07710ad = kdb_backtrace+0x2d/frame 0xe0705280
>vpanic(c0a75559,e07052e4,c0a75559,e07052e4,e07052e4,...) at 0xc072ee15 = vpanic+0x115/frame 0xe07052b4
>kassert_panic(c0a75559,c0aa15f7,c0aa12bb,4ec,c0b6a81c,...) at 0xc072ecf9 = kassert_panic+0xd9/frame 0xe07052d8
>_rm_rlock_debug(c0c2737c,e07053f8,0,c0aa12bb,4ec,...) at 0xc0729187 = _rm_rlock_debug+0x197/frame 0xe0705308
>ipfw_chk(e0705490,4b3cc420,0,0,e07054b4,...) at 0xc08c7c88 = ipfw_chk+0xc88/frame 0xe0705448
>ipfw_check_packet(0,e070557c,c5ed6800,2,0,...) at 0xc08ce768 = ipfw_check_packet+0xd8/frame 0xe0705558
>pfil_run_hooks(c0c25f78,e070564c,c5ed6800,2,0,...) at 0xc0835628 = pfil_run_hooks+0x98/frame 0xe07055b0
>ip_output(c6058d00,0,0,0,0,...) at 0xc086ff04 = ip_output+0xd34/frame 0xe0705698
>icmp_reflect(c6053968,c6058dc8,14,c6058de4,c0ba9ab8,...) at 0xc086a86a = icmp_reflect+0x63a/frame 0xe0705740
>icmp_error(c6053900,3,3,0,0,...) at 0xc086a0f6 = icmp_error+0x6c6/frame 0xe0705798
>ipfw_chk(e0705920,4b3cc420,0,0,e0705910,...) at 0xc08ca66f = ipfw_chk+0x366f/frame 0xe07058d8
>ipfw_check_packet(0,e0705a0c,c5ed6800,1,0,...) at 0xc08ce768 = ipfw_check_packet+0xd8/frame 0xe07059e8
>pfil_run_hooks(c0c25f78,e0705a8c,c5ed6800,1,0,...) at 0xc0835628 = pfil_run_hooks+0x98/frame 0xe0705a40
>ip_input(c6053900,e0705ae8,c0714c4b,c5d77300,8,...) at 0xc086c270 = ip_input+0x720/frame 0xe0705ab0
>netisr_dispatch_src(1,0,c6053900) at 0xc08343c3 = netisr_dispatch_src+0xa3/frame 0xe0705ae8
>netisr_dispatch(1,c6053900,e0705b30,96,0,...) at 0xc0834790 = netisr_dispatch+0x20/frame 0xe0705afc
>ether_demux(c5ed6800,c6053900,6,0,80d0c,...) at 0xc081f286 = ether_demux+0x146/frame 0xe0705b30
>ether_nh_input(c6053900,9a,96,c6053900,e0705bd4,...) at 0xc081fffe = ether_nh_input+0x36e/frame 0xe0705b60
>netisr_dispatch_src(5,0,c6053900) at 0xc08343c3 = netisr_dispatch_src+0xa3/frame 0xe0705b98
>netisr_dispatch(5,c6053900,4c7,c075b987,c0b6a81c,...) at 0xc0834790 = netisr_dispatch+0x20/frame 0xe0705bac
>ether_input(c5ed6800,c6053900,c0a51fad,4c7,0,...) at 0xc081f5d1 = ether_input+0x61/frame 0xe0705bd4
>rl_rxeof(c5ea8140,0,c0a51fad,5d5,c5ea8140,...) at 0xc05eace6 = rl_rxeof+0x126/frame 0xe0705c18
>rl_intr(c5ea6000,0,0,55bb858c,c5de3948,...) at 0xc05e9c4c = rl_intr+0xec/frame 0xe0705c48
>intr_event_execute_handlers(c0b6a790,c5de3900,c0a6f5a9,560,c0a6f303,...) at 0xc06f9f4e = intr_event_execute_handlers+0x8e/frame 0xe0705c70
>ithread_loop(c5ecff50,e0705ce8,c0a6f303,408,0,...) at 0xc06fa540 = ithread_loop+0x90/frame 0xe0705cac
>fork_exit(c06fa4b0,c5ecff50,e0705ce8) at 0xc06f756e = fork_exit+0x7e/frame 0xe0705cd4
>fork_trampoline() at 0xc09ce130 = fork_trampoline+0x8/frame 0xe0705cd4
>--- trap 0, eip = 0, esp = 0xe0705d20, ebp = 0 ---
>Uptime: 8h8m11s
>Physical memory: 1522 MB
>Dumping 153 MB: 138 122 106 90 74 58 42 26 10
>
>Reading symbols from /boot/modules/fdescfs.ko...done.
>Loaded symbols for /boot/modules/fdescfs.ko
>#0  doadump (textdump=1) at pcpu.h:206
>206		__asm("movl %%fs:%1,%0" : "=r" (td)
>(kgdb) bt
>#0  doadump (textdump=1) at pcpu.h:206
>#1  0xc072e913 in kern_reboot (howto=<value optimized out>) at /usr/local/src/sys/kern/kern_shutdown.c:366
>#2  0xc072ee4d in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/local/src/sys/kern/kern_shutdown.c:759
>#3  0xc072ecf9 in kassert_panic (fmt=<value optimized out>) at /usr/local/src/sys/kern/kern_shutdown.c:649
>#4  0xc0729187 in _rm_rlock_debug (rm=<value optimized out>, tracker=<value optimized out>, trylock=<value optimized out>)
>    at /usr/local/src/sys/kern/kern_rmlock.c:644
>#5  0xc08c7c88 in ipfw_chk (args=<value optimized out>) at /usr/local/src/sys/netpfil/ipfw/ip_fw2.c:1260
>#6  0xc08ce768 in ipfw_check_packet (arg=<value optimized out>, m0=<value optimized out>, ifp=<value optimized out>)
>    at /usr/local/src/sys/netpfil/ipfw/ip_fw_pfil.c:151
>#7  0xc0835628 in pfil_run_hooks (ph=<value optimized out>, mp=<value optimized out>, dir=<value optimized out>)
>    at /usr/local/src/sys/net/pfil.c:83
>#8  0xc086ff04 in ip_output (m=0x0, opt=<value optimized out>, ro=<value optimized out>, imo=<value optimized out>, 
>    inp=<value optimized out>) at /usr/local/src/sys/netinet/ip_output.c:121
>#9  0xc086a86a in icmp_reflect (m=<value optimized out>) at /usr/local/src/sys/netinet/ip_icmp.c:908
>#10 0xc086a0f6 in icmp_error (n=<value optimized out>, type=<value optimized out>, code=<value optimized out>, 
>    dest=<value optimized out>, mtu=<value optimized out>) at /usr/local/src/sys/netinet/ip_icmp.c:352
>#11 0xc08ca66f in ipfw_chk (args=<value optimized out>) at /usr/local/src/sys/netpfil/ipfw/ip_fw2.c:624
>#12 0xc08ce768 in ipfw_check_packet (arg=<value optimized out>, m0=<value optimized out>, ifp=<value optimized out>)
>    at /usr/local/src/sys/netpfil/ipfw/ip_fw_pfil.c:151
>#13 0xc0835628 in pfil_run_hooks (ph=<value optimized out>, mp=<value optimized out>, dir=<value optimized out>)
>    at /usr/local/src/sys/net/pfil.c:83
>#14 0xc086c270 in ip_input (m=<value optimized out>) at /usr/local/src/sys/netinet/ip_input.c:584
>#15 0xc08343c3 in netisr_dispatch_src (proto=<value optimized out>, source=<value optimized out>, m=0xc6053900)
>    at /usr/local/src/sys/net/netisr.c:1120
>#16 0xc0834790 in netisr_dispatch (proto=1, m=0xc6053900) at /usr/local/src/sys/net/netisr.c:1211
>#17 0xc081f286 in ether_demux (ifp=<value optimized out>, m=0x0) at /usr/local/src/sys/net/if_ethersubr.c:850
>#18 0xc081fffe in ether_nh_input (m=<value optimized out>) at /usr/local/src/sys/net/if_ethersubr.c:639
>#19 0xc08343c3 in netisr_dispatch_src (proto=<value optimized out>, source=<value optimized out>, m=0xc6053900)
>    at /usr/local/src/sys/net/netisr.c:1120
>#20 0xc0834790 in netisr_dispatch (proto=5, m=0xc6053900) at /usr/local/src/sys/net/netisr.c:1211
>#21 0xc081f5d1 in ether_input (ifp=<value optimized out>, m=0x0) at /usr/local/src/sys/net/if_ethersubr.c:759
>#22 0xc05eace6 in rl_rxeof () at /usr/local/src/sys/dev/rl/if_rl.c:1224
>#23 0xc05e9c4c in rl_intr (arg=<value optimized out>) at /usr/local/src/sys/dev/rl/if_rl.c:1516
>#24 0xc06f9f4e in intr_event_execute_handlers (p=0xc0b6a790, ie=<value optimized out>)
>    at /usr/local/src/sys/kern/kern_intr.c:1262
>#25 0xc06fa540 in ithread_loop (arg=<value optimized out>) at /usr/local/src/sys/kern/kern_intr.c:1275
>#26 0xc06f756e in fork_exit (callout=0xc06fa4b0 <ithread_loop>) at /usr/local/src/sys/kern/kern_fork.c:1040
>#27 0xc09ce130 in fork_trampoline () at /usr/local/src/sys/i386/i386/exception.s:287
>Current language:  auto; currently minimal
>(kgdb) frame 5
>#5  0xc08c7c88 in ipfw_chk (args=<value optimized out>) at /usr/local/src/sys/netpfil/ipfw/ip_fw2.c:1260
>1260		IPFW_PF_RLOCK(chain);
>(kgdb) l
>1255			args->f_id.proto = proto;
>1256			args->f_id.src_port = src_port = ntohs(src_port);
>1257			args->f_id.dst_port = dst_port = ntohs(dst_port);
>1258		}
>1259	
>1260		IPFW_PF_RLOCK(chain);
>1261		if (! V_ipfw_vnet_ready) { /* shutting down, leave NOW. */
>1262			IPFW_PF_RUNLOCK(chain);
>1263			return (IP_FW_PASS);	/* accept */
>1264		}
>(kgdb) p args
>$1 = <value optimized out>
>(kgdb) p chain
>No symbol "chain" in current context.
>(kgdb) frame 4
>#4  0xc0729187 in _rm_rlock_debug (rm=<value optimized out>, tracker=<value optimized out>, trylock=<value optimized out>)
>    at /usr/local/src/sys/kern/kern_rmlock.c:644
>644			KASSERT(rm_trackers_present(pcpu_find(curcpu), rm,
>(kgdb) l
>639			return (1);
>640	
>641	#ifdef INVARIANTS
>642		if (!(rm->lock_object.lo_flags & LO_RECURSABLE) && !trylock) {
>643			critical_enter();
>644			KASSERT(rm_trackers_present(pcpu_find(curcpu), rm,
>645			    curthread) == 0,
>646			    ("rm_rlock: recursed on non-recursive rmlock %s @ %s:%d\n",
>647			    rm->lock_object.lo_name, file, line));
>648			critical_exit();
>(kgdb) p rm
>$2 = <value optimized out>
>(kgdb) 
>Command exit status: 0
>Script done on Tue Jan 17 16:52:51 2017

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Attachments on bug 216171: 178985