[DragonFlyBSD - Bug #1779] (In Progress) DragonFly v2.7.3.70.g07b6d - panic: IP header not in one mbuf

Antonio M. Huete Jimenez via Redmine bugtracker-admin at leaf.dragonflybsd.org
Sun Mar 10 06:38:41 PDT 2013

Issue #1779 has been updated by tuxillo.

Status changed from New to In Progress
Assignee changed from 0 to tuxillo

Bug #1779: DragonFly v2.7.3.70.g07b6d - panic: IP header not in one mbuf

Author: tuxillo
Status: In Progress
Priority: Normal
Assignee: tuxillo
Target version: 


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
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
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
#2  0xc03178f6 in dumpsys () at /home/source/dfbsd/sys/kern/kern_shutdown.c:838
#3  0xc0317e71 in boot (howto=260) at
#4  0xc0317f97 in panic (fmt=0xc05a09ea "from debugger") at
#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
#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
#11 0xc0545e47 in calltrap () at
#12 0xc0544908 in breakpoint (msg=0xc05b88ec "panic") at ./cpu/cpufunc.h:73
#13 Debugger (msg=0xc05b88ec "panic") at
#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
#16 0xc03d140d in ip_input_handler (msg0=0xd2644818) at
#17 0xc0392a5a in netisr_run (num=2, m=0xd2644800) at
#18 0xc0388b6b in ether_demux_oncpu (ifp=0xc2c89e00, m=0xd2644800) at
#19 0xc0388c0b in ether_input_oncpu (ifp=0xc2c89e00, m=0xd2644800) at
#20 0xc0388d15 in ether_input_handler (nmsg=0xd2644818) at
#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
#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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