socket panic

Peter Avalos peter at
Fri Dec 31 22:09:53 PST 2010

Got a page fault panic today on my laptop.

Files can be fetched from:


(kgdb) bt
#0  _get_mycpu (di=0xc049ed20) at ./machine/thread.h:83
#1  md_dumpsys (di=0xc049ed20) at /usr/src/sys/platform/pc32/i386/dump_machdep.c:263
#2  0xc01ac98e in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:881
#3  0xc01acf4e in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:388
#4  0xc01ad1f5 in panic (fmt=0xc03dd634 "%s") at /usr/src/sys/kern/kern_shutdown.c:787
#5  0xc039f022 in trap_fatal (frame=0xd6f3ac94, eva=<value optimized out>)
    at /usr/src/sys/platform/pc32/i386/trap.c:1116
#6  0xc039f130 in trap_pfault (frame=0xd6f3ac94, usermode=0, eva=51)
    at /usr/src/sys/platform/pc32/i386/trap.c:1018
#7  0xc039f69c in trap (frame=0xd6f3ac94)
    at /usr/src/sys/platform/pc32/i386/trap.c:705
#8  0xc0387b47 in calltrap () at /usr/src/sys/platform/pc32/i386/exception.s:785
#9  0xc01999d0 in knote (list=0xd993de64, hint=0)
    at /usr/src/sys/kern/kern_event.c:1303
#10 0xc01ea6cd in sowakeup (so=0xd993de00, ssb=0xd993de4c)
    at /usr/src/sys/kern/uipc_socket2.c:499
#11 0xc01ef5d8 in uipc_send (msg=0xde077b50) at /usr/src/sys/kern/uipc_usrreq.c:493
#12 0xc0228637 in netmsg_service_loop (arg=0x0) at /usr/src/sys/net/netisr.c:294
#13 0xc01b6117 in lwkt_deschedule_self (td=Cannot access memory at address 0x8
) at /usr/src/sys/kern/lwkt_thread.c:272
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

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