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DragonFly bugs List (threaded) for 2011-01
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syncache page fault panic

From: Peter Avalos <peter@xxxxxxxxxxxx>
Date: Sun, 16 Jan 2011 19:45:20 -1000

Got the following panic today on a box running a kernel from Nov. 5th:

#0  _get_mycpu (di=0xc03ef960) at ./machine/thread.h:83
#1  md_dumpsys (di=0xc03ef960)
    at /usr/src/sys/platform/pc32/i386/dump_machdep.c:263
#2  0xc019e6c5 in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:881
#3  0xc019ec85 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:388
#4  0xc019ef5d in panic (fmt=0xc0360fd7 "%s")
    at /usr/src/sys/kern/kern_shutdown.c:787
#5  0xc032e1fb in trap_fatal (frame=0xd9d3faa0, eva=<value optimized out>)
    at /usr/src/sys/platform/pc32/i386/trap.c:1125
#6  0xc032e309 in trap_pfault (frame=0xd9d3faa0, usermode=0, eva=44)
    at /usr/src/sys/platform/pc32/i386/trap.c:1026
#7  0xc032edf5 in trap (frame=0xd9d3faa0)
    at /usr/src/sys/platform/pc32/i386/trap.c:707
#8  0xc0317f77 in calltrap ()
    at /usr/src/sys/platform/pc32/i386/exception.s:785
#9  0xc023d2c9 in syncache_socket (inc=0xd9d3fbd0, th=0xfd78b024,
    sop=0xd9d3fc8c, m=0xfd72e400) at /usr/src/sys/netinet/tcp_syncache.c:837
#10 syncache_expand (inc=0xd9d3fbd0, th=0xfd78b024, sop=0xd9d3fc8c,
    m=0xfd72e400) at /usr/src/sys/netinet/tcp_syncache.c:919
#11 0xc0234b15 in tcp_input (mp=0xd9d3fcb8, offp=0xd9d3fcb4, proto=6)
    at /usr/src/sys/netinet/tcp_input.c:893
#12 0xc022efc6 in transport_processing_oncpu (m=0x0, hlen=20, ip=0xfd78b010)
    at /usr/src/sys/netinet/ip_input.c:394
#13 0xc022ff8d in ip_input (m=0xfd72e400)
    at /usr/src/sys/netinet/ip_input.c:959
#14 0xc022ffb5 in ip_input_handler (msg=0xfd72e41c)
    at /usr/src/sys/netinet/ip_input.c:415
#15 0xc022031f in netmsg_service_loop (arg=0x0)
    at /usr/src/sys/net/netisr.c:294
#16 0xc01a8a1e in lwkt_deschedule_self (td=Cannot access memory at address 0x8
    at /usr/src/sys/kern/lwkt_thread.c:258
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Files can be downloaded from:



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