[panic] 10.1-RELEASE-p14 #4 r285499M sporadic reboot

Thomas Quinot thomas at FreeBSD.ORG
Tue Sep 29 16:46:54 UTC 2015

* Zeus Panchenko, 2015-07-22 :

> on important production server I've started to experience weird regular
> (once a day-two) sporadic reboots after last upgrade (2015-07-17), and
> would appreciate if someone could help me to analyze further and fix the
> issue.
> Collected crash information below
> full logs are available upon request.

For the record, I observed a similar crash today:

ceuta-ng.act-europe.fr dumped core - see /var/crash/vmcore.2

Tue Sep 29 18:25:59 CEST 2015

FreeBSD ceuta-ng.act-europe.fr 10.1-RELEASE-p8 FreeBSD 10.1-RELEASE-p8 #2 r280990M: Tue Jul  7 18:18:21 CEST 2015     root at lynchburg:/usr/obj/usr/src/releng/10.1/sys/ADACORE_FW  amd64

panic: page fault

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Unread portion of the kernel message buffer:

Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 03
fault virtual address	= 0xffff804000000000
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff80d4f81c
stack pointer	        = 0x28:0xfffffe011bfaf810
frame pointer	        = 0x28:0xfffffe011bfaf820
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 12 (swi1: netisr 0)
trap number		= 12
panic: page fault
cpuid = 3
KDB: stack backtrace:
#0 0xffffffff80977830 at kdb_backtrace+0x60
#1 0xffffffff8093c955 at panic+0x155
#2 0xffffffff80d5dc3f at trap_fatal+0x38f
#3 0xffffffff80d5df58 at trap_pfault+0x308
#4 0xffffffff80d5d5ba at trap+0x47a
#5 0xffffffff80d434a2 at calltrap+0x8
#6 0xffffffff80e7000b at bounce_bus_dmamap_load_buffer+0x1bb
#7 0xffffffff80972b42 at bus_dmamap_load_mbuf_sg+0x72
#8 0xffffffff819ca83e at igb_refresh_mbufs+0x19e
#9 0xffffffff819ca642 at igb_rxeof+0x692
#10 0xffffffff819cb9a0 at igb_poll+0x110
#11 0xffffffff8092bd6c at netisr_poll+0xfc
#12 0xffffffff80a09c3d at swi_net+0x1d
#13 0xffffffff8090ea8b at intr_event_execute_handlers+0xab
#14 0xffffffff8090eed6 at ithread_loop+0x96
#15 0xffffffff8090c6aa at fork_exit+0x9a
#16 0xffffffff80d439de at fork_trampoline+0xe
Uptime: 3d17h55m1s
Dumping 448 out of 4069 MB:..4%..11%..22%..33%..43%..54%..61%..72%..83%..93%

Reading symbols from /boot/kernel/carp.ko.symbols...done.
Loaded symbols for /boot/kernel/carp.ko.symbols
Reading symbols from /boot/kernel/if_igb.ko.symbols...done.
Loaded symbols for /boot/kernel/if_igb.ko.symbols
Reading symbols from /boot/kernel/pflog.ko.symbols...done.
Loaded symbols for /boot/kernel/pflog.ko.symbols
Reading symbols from /boot/kernel/pf.ko.symbols...done.
Loaded symbols for /boot/kernel/pf.ko.symbols
Reading symbols from /boot/kernel/pfsync.ko.symbols...done.
Loaded symbols for /boot/kernel/pfsync.ko.symbols
Reading symbols from /boot/kernel/ng_socket.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_socket.ko.symbols
Reading symbols from /boot/kernel/netgraph.ko.symbols...done.
Loaded symbols for /boot/kernel/netgraph.ko.symbols
Reading symbols from /boot/kernel/ng_mppc.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_mppc.ko.symbols
Reading symbols from /boot/kernel/rc4.ko.symbols...done.
Loaded symbols for /boot/kernel/rc4.ko.symbols
Reading symbols from /boot/kernel/if_tap.ko.symbols...done.
Loaded symbols for /boot/kernel/if_tap.ko.symbols
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
219	pcpu.h: No such file or directory.
	in pcpu.h
(kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff8093c5d2 in kern_reboot (howto=260)
    at /usr/src/releng/10.1/sys/kern/kern_shutdown.c:452
#2  0xffffffff8093c994 in panic (fmt=<value optimized out>)
    at /usr/src/releng/10.1/sys/kern/kern_shutdown.c:759
#3  0xffffffff80d5dc3f in trap_fatal (frame=<value optimized out>, 
    eva=<value optimized out>)
    at /usr/src/releng/10.1/sys/amd64/amd64/trap.c:865
#4  0xffffffff80d5df58 in trap_pfault (frame=0xfffffe011bfaf760, 
    usermode=<value optimized out>)
    at /usr/src/releng/10.1/sys/amd64/amd64/trap.c:676
#5  0xffffffff80d5d5ba in trap (frame=0xfffffe011bfaf760)
    at /usr/src/releng/10.1/sys/amd64/amd64/trap.c:440
#6  0xffffffff80d434a2 in calltrap ()
    at /usr/src/releng/10.1/sys/amd64/amd64/exception.S:232
#7  0xffffffff80d4f81c in pmap_kextract (va=0)
    at /usr/src/releng/10.1/sys/amd64/amd64/pmap.c:639
#8  0xffffffff80e7000b in bounce_bus_dmamap_load_buffer (
    dmat=0xfffff80002b8ae00, map=0xffffffff81637498, 
    buf=<value optimized out>, buflen=<value optimized out>, 
    pmap=0xffffffff816beb60, flags=<value optimized out>, 
    segs=<value optimized out>)
    at /usr/src/releng/10.1/sys/x86/x86/busdma_bounce.c:690
#9  0xffffffff80972b42 in bus_dmamap_load_mbuf_sg (dmat=0xfffff80002b8ae00, 
    map=0x0, m0=<value optimized out>, segs=0xfffffe011bfaf930, 
    nsegs=0xfffffe011bfaf92c, flags=<value optimized out>)
    at /usr/src/releng/10.1/sys/kern/subr_bus_dma.c:110
#10 0xffffffff819ca83e in igb_refresh_mbufs (rxr=0xfffff80002b71330, 
    at /usr/src/releng/10.1/sys/modules/igb/../../dev/e1000/if_igb.c:4144
#11 0xffffffff819ca642 in igb_rxeof (que=<value optimized out>, 
    count=<value optimized out>, done=0xfffffe011bfafa44)
    at /usr/src/releng/10.1/sys/modules/igb/../../dev/e1000/if_igb.c:4998
#12 0xffffffff819cb9a0 in igb_poll (ifp=0xfffff80002b70800, 
    cmd=<value optimized out>, count=5)
    at /usr/src/releng/10.1/sys/modules/igb/../../dev/e1000/if_igb.c:1565
#13 0xffffffff8092bd6c in netisr_poll ()
    at /usr/src/releng/10.1/sys/kern/kern_poll.c:447
#14 0xffffffff80a09c3d in swi_net (arg=0xffffffff81a8a880)
    at /usr/src/releng/10.1/sys/net/netisr.c:797
#15 0xffffffff8090ea8b in intr_event_execute_handlers (
    p=<value optimized out>, ie=0xfffff80002962c00)
    at /usr/src/releng/10.1/sys/kern/kern_intr.c:1263
#16 0xffffffff8090eed6 in ithread_loop (arg=0xfffff80002967f40)
    at /usr/src/releng/10.1/sys/kern/kern_intr.c:1276
#17 0xffffffff8090c6aa in fork_exit (
    callout=0xffffffff8090ee40 <ithread_loop>, arg=0xfffff80002967f40, 
    frame=0xfffffe011bfafc00) at /usr/src/releng/10.1/sys/kern/kern_fork.c:996
#18 0xffffffff80d439de in fork_trampoline ()
    at /usr/src/releng/10.1/sys/amd64/amd64/exception.S:606
#19 0x0000000000000000 in ?? ()
Current language:  auto; currently minimal

Full log and coredump have been preserved.


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