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От Sergey Anohin (2:5034/10.1) к All

В ответ на Заголовок предыдущего сообщения в треде (Имя Автора)


Hello *All*
сабж

# kgdb /boot/kernel/kernel /var/crash/vmcore.last
GNU gdb (GDB) 8.2.1 [GDB v8.2.1 for FreeBSD]
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-portbld-freebsd12.0".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /boot/kernel/kernel...Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug...done.
done.

Unread portion of the kernel message buffer:
MCA: Bank 0, Status 0xb200004000000800
MCA: Global Cap 0x0000000000000806, Status 0x0000000000000005
MCA: Vendor "GenuineIntel", ID 0x10676, APIC ID 1
MCA: CPU 1 UNCOR PCC BUSL0 Source ERR Memory
MCA: Bank 5, Status 0xb200121020080400
MCA: Global Cap 0x0000000000000806, Status 0x0000000000000005
MCA: Vendor "GenuineIntel", ID 0x10676, APIC ID 1
MCA: CPU 1 UNCOR PCC internal timer error
panic: Unrecoverable machine check exception
cpuid = 1
time = 1606392236
KDB: stack backtrace:
Uptime: 40d0h37m48s
Dumping 1985 out of 8112 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

__curthread () at ./machine/pcpu.h:230
230 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (OFFSETOF_CURTHREAD));
(kgdb) bt
#0 __curthread () at ./machine/pcpu.h:230
#1 doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:371
#2 0xffffffff80c06efb in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:451
#3 0xffffffff80c07373 in vpanic (fmt=<optimized out>, ap=0xfffffe00024a5ee0) at /usr/src/sys/kern/kern_shutdown.c:877
#4 0xffffffff80c07163 in panic (fmt=<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:804
#5 0xffffffff81303edb in mca_intr () at /usr/src/sys/x86/x86/mca.c:1244
#6 <signal handler called>
#7 0xffffffff813089d8 in smp_targeted_tlb_shootdown (mask=..., vector=246, pmap=<optimized out>, addr1=<optimized out>, addr2=<optimized out>) at /usr/src/sys/x86/x86/mp_x86.c:1652
#8 0xffffffff81308b62 in smp_masked_invlpg_range (mask=..., addr1=<optimized out>, addr2=18446744071595911552, pmap=<optimized out>) at /usr/src/sys/x86/x86/mp_x86.c:1688
#9 0xffffffff811782dc in pmap_invalidate_range (pmap=0xffffffff82154278 <kernel_pmap_store>, sva=18446741876309176320, eva=18446741876309180416) at /usr/src/sys/amd64/amd64/pmap.c:1963
#10 0xffffffff80ff90e5 in vm_thread_new (td=0xfffff8013c9cf000, pages=4) at /usr/src/sys/vm/vm_glue.c:386
#11 0xffffffff80c1b221 in thread_alloc (pages=50331648) at /usr/src/sys/kern/kern_thread.c:410
#12 0xffffffff80c18ead in kern_thr_alloc (p=<optimized out>, pages=0, ntd=<optimized out>) at /usr/src/sys/kern/kern_thr.c:623
#13 thread_create (td=0xfffff80206caf000, rtp=0x0, initialize_thread=0xfffffe0067146a10, thunk=0xfffffe0067146a30) at /usr/src/sys/kern/kern_thr.c:230
#14 0xffffffff80c195c2 in kern_thr_new (td=<optimized out>, param=<optimized out>) at /usr/src/sys/kern/kern_thr.c:188
#15 sys_thr_new (td=0xfffff8013e37b000, uap=<optimized out>) at /usr/src/sys/kern/kern_thr.c:143
#16 0xffffffff81190432 in syscallenter (td=<optimized out>) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135
#17 amd64_syscall (td=0xfffff8013e37b000, traced=0) at /usr/src/sys/amd64/amd64/trap.c:1171
#18 <signal handler called>
#19 0x000000080108606a in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffdfc15c88
(kgdb) quit


Bye, , 26 ноябpя 20
--- FIPS/IP <build 01.14>
* Origin: A bove majore discit arare minor (2:5034/10.1)

Ответы на это письмо:

From: Username
Заголовок следующего сообщения в треде может быть длинным и его придется перенести на новую строку

From: Username
Или коротким

FGHI-url этого письма: area://RU.UNIX.BSD?msgid=2:5034/10.1+5fbfa7a3