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Bug #1824

Updated by tuxillo over 11 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  
 /usr/src/sys/platform/pc32/i386/dump_machdep.c:263 
 #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  
 chain") 
     at /usr/src/sys/kern/kern_shutdown.c:786 
 #5    0xc034f662 in m_copym (m=0x0, off0=32, len=24, wait=4) at  
 /usr/src/sys/kern/uipc_mbuf.c:1113 
 #6    0xc03ec2e6 in tcp_output (tp=0xdcc96d88) at  
 /usr/src/sys/netinet/tcp_output.c:723 
 #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  
 /usr/src/sys/kern/uipc_msg.c:548 
 #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  
 /usr/src/sys/net/netisr.c:357 
 #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. 

 Adam

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