Panic on today's -current

[Doug Barton]

Some commit after r196636, up to and including 196644 caused my system
to panic immediately upon loading wpi at boot time:

(kgdb) #0  doadump () at pcpu.h:246
#1  0xc05f134e in boot (howto=260)
    at /usr/local/src/sys/kern/kern_shutdown.c:416
#2  0xc05f1622 in panic (fmt=Variable "fmt" is not available.
) at /usr/local/src/sys/kern/kern_shutdown.c:579
#3  0xc05ffe50 in thread_alloc (pages=0)
    at /usr/local/src/sys/kern/kern_thread.c:293
#4  0xc05fe89c in create_thread (td=0xc599c460, ctx=0x0,
    start_func=0x285dd680, arg=0x28763ec0,
    stack_base=0xbf7fe000 <Address 0xbf7fe000 out of bounds>,
    stack_size=1048576,
    tls_base=0x281f8490 <Address 0x281f8490 out of bounds>,
    child_tid=0x28763ec0, parent_tid=0x28763ec0, flags=2, rtp=0x0)
    at /usr/local/src/sys/kern/kern_thr.c:179
#5  0xc05fec67 in kern_thr_new (td=0xc599c460, param=0xe7c8dc44)
    at /usr/local/src/sys/kern/kern_thr.c:132
#6  0xc05fecc5 in thr_new (td=0xc599c460, uap=0xe7c8dcf8)
    at /usr/local/src/sys/kern/kern_thr.c:116
#7  0xc085b953 in syscall (frame=0xe7c8dd38)
    at /usr/local/src/sys/i386/i386/trap.c:1073
#8  0xc083f300 in Xint0x80_syscall ()
    at /usr/local/src/sys/i386/i386/exception.s:261
#9  0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)


The complete core.txt.0 file is in my home directory on freefall.


Doug

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