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

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #1779 has been updated by tuxillo.

Description updated
Category set to Networking
Status changed from In Progress to Closed
Target version set to 3.8.0

Hi,

Couldn't reproduce. Many fixes went in after this was reported.

Cheers,
Antonio Huete

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Bug #1779: DragonFly v2.7.3.70.g07b6d - panic: IP header not in one mbuf
http://bugs.dragonflybsd.org/issues/1779#change-11772

* Author: tuxillo
* Status: Closed
* Priority: Normal
* Assignee: tuxillo
* Category: Networking
* Target version: 3.8.0
----------------------------------------
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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