Bug #1824

Updated by tuxillo almost 7 years ago

SMP enabled, otherwise a GENERIC kernel.

Full backtrace:

(kgdb) bt
#0 _get_mycpu (di=0xc06ebee0) at ./machine/thread.h:83
#1 md_dumpsys (di=0xc06ebee0) at
#2 0xc0315d31 in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:880
#3 0xc03162f1 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:387
#4 0xc03165ba in panic (fmt=0xc06122c4 "m_copym, length > size of mbuf
at /usr/src/sys/kern/kern_shutdown.c:786
#5 0xc034f662 in m_copym (m=0x0, off0=32, len=24, wait=4) at
#6 0xc03ec2e6 in tcp_output (tp=0xdcc96d88) at
#7 0xc03f38da in tcp_usr_send (so=0xc6a73698, flags=<value optimized out>,
m=0xe20ca900, nam=0x0, control=0x0,
td=0xdcc96988) at /usr/src/sys/netinet/tcp_usrreq.c:762
#8 0xc03518a4 in netmsg_pru_send (msg=0xe5c15b5c) at
#9 0xc03a4674 in netmsg_service (msg=0xe5c15b5c, mpsafe_mode=1, mplocked=0)
at /usr/src/sys/net/netisr.c:310
#10 0xc03a478a in netmsg_service_loop (arg=0xc068cda0) at
#11 0xc031f2ae in lwkt_deschedule_self (td=Cannot access memory at address 0x8
) at /usr/src/sys/kern/lwkt_thread.c:278
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

I was building some packages in the background at the time. I was ssh'ed in
from a linux box, and running x2x to allow me to move the mouse and keyboard
from the linux box to the DF box. At the time of the lock up, I was moving
the mouse around on the DF box. Though I have no idea if that's related to
the crash, that's the only thing that comes to mind.