Тема: дебаг
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  #26  
Старый 12.02.2019, 00:52
Sergey Anokhin
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По умолчанию Re: дебаг

Sergey Anokhin написал(а) к All в Feb 19 23:22:06 по местному времени:

Просил frame 9:

(pts/3)[root@server:/usr/obj/usr/src/amd64.amd64/sys/SERVER]# kgdb
kernel /var/crash/vmcore.last
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Reading symbols from kernel...Reading symbols from
/usr/obj/usr/src/amd64.amd64/sys/SERVER/kernel.debug...done.
done.

Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address = 0x28
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff80ecd31d
stack pointer = 0x28:0xfffffe003fca7a40
frame pointer = 0x28:0xfffffe003fca7a60
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 = 0 (softirq_2)
trap number = 12
panic: page fault
cpuid = 2
time = 1549912176
KDB: stack backtrace:
#0 0xffffffff80c531c7 at kdb_backtrace+0x67
#1 0xffffffff80c07143 at vpanic+0x1a3
#2 0xffffffff80c06f93 at panic+0x43
#3 0xffffffff8118d9ff at trap_fatal+0x35f
#4 0xffffffff8118da59 at trap_pfault+0x49
#5 0xffffffff8118d07e at trap+0x29e
#6 0xffffffff81168ac5 at calltrap+0x8
#7 0xffffffff80eca240 at ipsecdeletepcbpolicy+0x20
#8 0xffffffff80dbaeec at inpcbfreedeferred+0x6c
#9 0xffffffff80c4db1a at epochcalltask+0x1ca
#10 0xffffffff80c51a54 at gtaskqueuerunlocked+0x144
#11 0xffffffff80c516b8 at gtaskqueuethreadloop+0x98
#12 0xffffffff80bc6f23 at fork_exit+0x83
#13 0xffffffff81169abe at fork_trampoline+0xe
Uptime: 1h17m12s
Dumping 1147 out of 8077
MB:..2%..12%..21%..31%..41%..51%..62%..72%..81%..91%

curthread () at ./machine/pcpu.h:230
230 asm("movq %%gs:%P1,%0" : "=r" (td) : "n"
(OFFSETOF_CURTНREAD));
(kgdb) bt
#0 curthread () at ./machine/pcpu.h:230
#1 doadump (textdump=<optimized out>) at
/usr/src/sys/kern/kern_shutdown.c:366
#2 0xffffffff80c06d2b in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:446
#3 0xffffffff80c071a3 in vpanic (fmt=<optimized out>,
ap=0xfffffe003fca7790) at /usr/src/sys/kern/kern_shutdown.c:872
#4 0xffffffff80c06f93 in panic (fmt=<unavailable>) at
/usr/src/sys/kern/kern_shutdown.c:799
#5 0xffffffff8118d9ff in trap_fatal (frame=0xfffffe003fca7980, eva=40)
at /usr/src/sys/amd64/amd64/trap.c:929
#6 0xffffffff8118da59 in trap_pfault (frame=0xfffffe003fca7980,
usermode=0) at /usr/src/sys/amd64/amd64/trap.c:765
#7 0xffffffff8118d07e in trap (frame=0xfffffe003fca7980) at
/usr/src/sys/amd64/amd64/trap.c:441
#8 <signal handler called>
#9 0xffffffff80ecd31d in key_freesp (spp=0xfffff80267101100) at
/usr/src/sys/netipsec/key.c:1199
#10 0xffffffff80eca240 in ipsecdeletepcbpolicy
(inp=0xfffff80017ff63d0) at /usr/src/sys/netipsec/ipsec_pcb.c:176
#11 0xffffffff80dbaeec in inpcbfreedeferred (ctx=0xfffff80017ff65a8)
at /usr/src/sys/netinet/in_pcb.c:1576
#12 0xffffffff80c4db1a in epochcalltask (arg=<optimized out>) at
/usr/src/sys/kern/subr_epoch.c:507
#13 0xffffffff80c51a54 in gtaskqueuerunlocked
(queue=0xfffff80003363c00) at /usr/src/sys/kern/subr_gtaskqueue.c:376
#14 0xffffffff80c516b8 in gtaskqueuethreadloop (arg=<optimized out>)
at /usr/src/sys/kern/subr_gtaskqueue.c:557
#15 0xffffffff80bc6f23 in fork_exit (callout=0xffffffff80c51620
<gtaskqueuethreadloop>, arg=0xfffffe00025f5038, frame=0xfffffe003fca7c00)
at /usr/src/sys/kern/kern_fork.c:1059
#16 <signal handler called>
(kgdb) frame 9
#9 0xffffffff80ecd31d in key_freesp (spp=0xfffff80267101100) at
/usr/src/sys/netipsec/key.c:1199
1199 KEYDBG(IPSEC_STAMP,
(kgdb)

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