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Bug #1779

Updated by tuxillo about 10 years ago

Hi, 

 

 I got this in a machine running the DFBSD version specified in the title of this 
 
 ticket. See below the backtrace. Kernel core is in my home dir (~/crash/ipheader*.3) 

 

 panic: IP header not in one mbuf 
 
 Trace beginning at frame 0xcfe19c08 
 
 panic(ffffffff) at panic+0x8e 
 
 panic(c05c059b,c2c89e00,14,0,1) at panic+0x8e 
 
 ip_input(d2644800) at ip_input+0xb5 
 
 ip_input_handler(d2644818) at ip_input_handler+0xe 
 
 netisr_run(2,d2644800) at netisr_run+0x7d 
 
 ether_demux_oncpu(c2c89e00,d2644800) at ether_demux_oncpu+0x298 
 
 ether_input_oncpu(c2c89e00,d2644800) at ether_input_oncpu+0x95 
 
 ether_input_handler(d2644818,c06f7318,c06f7318,cfe19d84,c03dbcbf) at 
 
 ether_input_handler+0x102 
 
 netmsg_service(d2644818,1,0,c06f6f80,ff800000) at netmsg_service+0x4a 
 
 tcpmsg_service_loop(0,0,0,0,0) at tcpmsg_service_loop+0x1d 
 
 lwkt_exit() at lwkt_exit 
 
 Debugger("panic") 
 
 panic: from debugger 
 
 Uptime: 10h50m27s 
 
 Physical memory: 1003 MB 
 
 Dumping 287 MB: 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16 

 

 (kgdb) bt 
 
 #0    _get_mycpu (di=0xc06bbf80) at ./machine/thread.h:83 
 
 #1    md_dumpsys (di=0xc06bbf80) at 
 
 /home/source/dfbsd/sys/platform/pc32/i386/dump_machdep.c:263 
 
 #2    0xc03178f6 in dumpsys () at /home/source/dfbsd/sys/kern/kern_shutdown.c:838 
 
 #3    0xc0317e71 in boot (howto=260) at 
 
 /home/source/dfbsd/sys/kern/kern_shutdown.c:387 
 
 #4    0xc0317f97 in panic (fmt=0xc05a09ea "from debugger") at 
 
 /home/source/dfbsd/sys/kern/kern_shutdown.c:744 
 
 #5    0xc01765e9 in db_panic (addr=-1068218104, have_addr=0, count=-1, 
 
 modif=0xcfe19ac0 "") 
     
     at /home/source/dfbsd/sys/ddb/db_command.c:448 
 
 #6    0xc0176c5e in db_command () at /home/source/dfbsd/sys/ddb/db_command.c:344 
 
 #7    db_command_loop () at /home/source/dfbsd/sys/ddb/db_command.c:470 
 
 #8    0xc0179260 in db_trap (type=3, code=0) at 
 
 /home/source/dfbsd/sys/ddb/db_trap.c:71 
 
 #9    0xc0544a74 in kdb_trap (type=3, code=0, regs=0xcfe19bb8) 
     
     at /home/source/dfbsd/sys/platform/pc32/i386/db_interface.c:152 
 
 #10 0xc0556d27 in trap (frame=0xcfe19bb8) at 
 
 /home/source/dfbsd/sys/platform/pc32/i386/trap.c:837 
 
 #11 0xc0545e47 in calltrap () at 
 
 /home/source/dfbsd/sys/platform/pc32/i386/exception.s:785 
 
 #12 0xc0544908 in breakpoint (msg=0xc05b88ec "panic") at ./cpu/cpufunc.h:73 
 
 #13 Debugger (msg=0xc05b88ec "panic") at 
 
 /home/source/dfbsd/sys/platform/pc32/i386/db_interface.c:334 
 
 #14 0xc0317f8e in panic (fmt=0xc05c059b "IP header not in one mbuf") 
     
     at /home/source/dfbsd/sys/kern/kern_shutdown.c:742 
 
 #15 0xc03d082a in ip_input (m=0xd2644800) at 
 
 /home/source/dfbsd/sys/netinet/ip_input.c:481 
 
 #16 0xc03d140d in ip_input_handler (msg0=0xd2644818) at 
 
 /home/source/dfbsd/sys/netinet/ip_input.c:434 
 
 #17 0xc0392a5a in netisr_run (num=2, m=0xd2644800) at 
 
 /home/source/dfbsd/sys/net/netisr.c:590 
 
 #18 0xc0388b6b in ether_demux_oncpu (ifp=0xc2c89e00, m=0xd2644800) at 
 
 /home/source/dfbsd/sys/net/if_ethersubr.c:1365 
 
 #19 0xc0388c0b in ether_input_oncpu (ifp=0xc2c89e00, m=0xd2644800) at 
 
 /home/source/dfbsd/sys/net/if_ethersubr.c:1424 
 
 #20 0xc0388d15 in ether_input_handler (nmsg=0xd2644818) at 
 
 /home/source/dfbsd/sys/net/if_ethersubr.c:1532 
 
 #21 0xc039275c in netmsg_service (msg=0xc071b12c, mpsafe_mode=1, mplocked=0) 
     
     at /home/source/dfbsd/sys/net/netisr.c:303 
 
 #22 0xc03dbcbf in tcpmsg_service_loop (dummy=0x0) at 
 
 /home/source/dfbsd/sys/netinet/tcp_subr.c:410 
 
 #23 0xc031f3aa in lwkt_deschedule_self (td=Cannot access memory at address 0x8 
 
 ) at /home/source/dfbsd/sys/kern/lwkt_thread.c:250 
 
 Backtrace stopped: previous frame inner to this frame (corrupt stack?)

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