[Bug 241059] random kernel panics

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241059

            Bug ID: 241059
           Summary: random kernel panics
           Product: Base System
           Version: 12.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: chris at cretaforce.gr

The last days I enable dumpdev to get crashdump for crashes that randomly
happen to my servers.

I can provide shell access to a developer to check the core. 

------

12.1-BETA1

panic: general protection fault

Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer     = 0x20:0xffffffff81098b76
stack pointer           = 0x28:0xfffffe009c39e7e0
frame pointer           = 0x28:0xfffffe009c39e8c0
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         = 37432 (bash)
trap number             = 9
panic: general protection fault
cpuid = 1
time = 1570197605
KDB: stack backtrace:
#0 0xffffffff80c1bd47 at kdb_backtrace+0x67
#1 0xffffffff80bcf07d at vpanic+0x19d
#2 0xffffffff80bceed3 at panic+0x43
#3 0xffffffff810a6d2c at trap_fatal+0x39c
#4 0xffffffff810a613c at trap+0x6c
#5 0xffffffff8107fdcc at calltrap+0x8
#6 0xffffffff80f0fadc at vmspace_exit+0x9c
#7 0xffffffff80b88fb9 at exit1+0x5d9
#8 0xffffffff80b889dd at sys_sys_exit+0xd
#9 0xffffffff810a78e4 at amd64_syscall+0x364
#10 0xffffffff810806f0 at fast_syscall_common+0x101
Uptime: 8d15h44m0s
Dumping 2383 out of 32589 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

__curthread () at /usr/src/sys/amd64/include/pcpu.h:234
234     /usr/src/sys/amd64/include/pcpu.h: No such file or directory.
(kgdb) #0  __curthread () at /usr/src/sys/amd64/include/pcpu.h:234
#1  doadump (textdump=<optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:371
#2  0xffffffff80bcec78 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:451
#3  0xffffffff80bcf0d9 in vpanic (fmt=<optimized out>, ap=<optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:877
#4  0xffffffff80bceed3 in panic (fmt=<unavailable>)
    at /usr/src/sys/kern/kern_shutdown.c:804
#5  0xffffffff810a6d2c in trap_fatal (frame=0xfffffe009c39e720, eva=0)
    at /usr/src/sys/amd64/amd64/trap.c:943
#6  0xffffffff810a613c in trap (frame=0xfffffe009c39e720)
    at /usr/src/sys/amd64/amd64/trap.c:221
#7  <signal handler called>
#8  0xffffffff81098b76 in pmap_remove_pages (pmap=<optimized out>)
    at /usr/src/sys/amd64/amd64/pmap.c:6934
#9  0xffffffff80f0fadc in vmspace_exit (td=0xfffff8012651c5e0)
    at /usr/src/sys/vm/vm_map.c:409
#10 0xffffffff80b88fb9 in exit1 (td=0xfffff8012651c5e0, rval=<optimized out>,
    signo=0) at /usr/src/sys/kern/kern_exit.c:396
#11 0xffffffff80b889dd in sys_sys_exit (
    td=0xffffffff81a49240 <pv_list_locks+5120>, uap=<optimized out>)
    at /usr/src/sys/kern/kern_exit.c:175
#12 0xffffffff810a78e4 in syscallenter (td=0xfffff8012651c5e0)
    at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135
#13 amd64_syscall (td=0xfffff8012651c5e0, traced=0)
    at /usr/src/sys/amd64/amd64/trap.c:1186
#14 <signal handler called>
#15 0x000000080051255a in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffd788
(kgdb)

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