https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231659
--- Comment #32 from Lev A. Serebryakov <l...@freebsd.org> ---
I've removed KDB_UNATTENDED from kernel and got dump! Looks like kernel memory
is complete mess at this moment, as it panics on all 4 cores!
Unread portion of the kernel message buffer:
kernel trap 9 with interrupts disabled
kernel trap 9 with interrupts disabled
kernel trap 9 with interrupts disabled
Fatal trap 9: general protection fault while in kernel mode
cpuid = 0;
Fatal trap 12: page fault while in kernel mode
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 02
apic id = 00
instruction pointer = 0x20:0xffffffff8048600b
Fatal trap 9: general protection fault while in kernel mode
cpuid = 2; apic id = 04
cpuid = 3; apic id = 06
instruction pointer = 0x20:0xffffffff807864a2
stack pointer = 0x28:0xfffffe00255ab800
fault virtual address = 0xfffff800c1401524
stack pointer = 0x28:0xfffffe00004511b0
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff80338877
stack pointer = 0x28:0xfffffe00255a1ad0
kernel trap 9 with interrupts disabled
frame pointer = 0x28:0xfffffe00004511f0
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 02
instruction pointer = 0x20:0xffffffff8048600b
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
frame pointer = 0x28:0xfffffe00255ab820
code segment = base 0x0, limit 0xfffff, type 0x1b
instruction pointer = 0x20:0xffffffff807864a2
= DPL 0, pres 1, long 1, def32 0, gran 1
stack pointer = 0x28:0xfffffe00255a1390
frame pointer = 0x28:0xfffffe00255a13d0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 0 (if_io_tqg_3)
#0 doadump (textdump=0) at pcpu.h:230
230 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=0) at pcpu.h:230
#1 0xffffffff8031436b in db_dump (dummy=<value optimized out>, dummy2=<value
optimized out>, dummy3=<value optimized out>, dummy4=<value optimized out>) at
/data/src/sys/ddb/db_command.c:574
#2 0xffffffff80314139 in db_command (cmd_table=<value optimized out>) at
/data/src/sys/ddb/db_command.c:481
#3 0xffffffff80313eb4 in db_command_loop () at
/data/src/sys/ddb/db_command.c:534
#4 0xffffffff8031715f in db_trap (type=<value optimized out>, code=<value
optimized out>) at /data/src/sys/ddb/db_main.c:252
#5 0xffffffff804f7e33 in kdb_trap (type=9, code=0, tf=<value optimized out>)
at /data/src/sys/kern/subr_kdb.c:693
#6 0xffffffff8073e561 in trap_fatal (frame=0xfffffe00255ab740, eva=0) at
/data/src/sys/amd64/amd64/trap.c:921
#7 0xffffffff8073db0d in trap (frame=0xfffffe00255ab740) at counter.h:87
#8 0xffffffff8071db37 in calltrap () at
/data/src/sys/amd64/amd64/exception.S:232
#9 0xffffffff807864a2 in intr_execute_handlers (isrc=0xfffff80002429180,
frame=0xfffffe00255ab850) at /data/src/sys/x86/x86/intr_machdep.c:341
#10 0xffffffff8078c154 in lapic_handle_intr (vector=<value optimized out>,
frame=<value optimized out>) at /data/src/sys/x86/x86/local_apic.c:1293
#11 0xffffffff8071ecc9 in Xapic_isr1 () at apic_vector.S:118
#12 0xffffffff806e9db0 in uma_zalloc_arg (zone=<value optimized out>,
udata=0x20, flags=-512) at /data/src/sys/vm/uma_core.c:2571
#13 0xffffffff805b021d in _iflib_fl_refill (ctx=0xfffff8000241dc00,
fl=0xfffff8000241e000, count=<value optimized out>) at mbuf.h:790
#14 0xffffffff805afcc8 in iflib_rxeof (rxq=<value optimized out>, budget=<value
optimized out>) at /data/src/sys/net/iflib.c:2072
#15 0xffffffff805ac250 in _task_fn_rx (context=0xfffff80002424840) at
/data/src/sys/net/iflib.c:3820
#16 0xffffffff804f6073 in gtaskqueue_run_locked (queue=0xfffff8000222b500) at
/data/src/sys/kern/subr_gtaskqueue.c:332
#17 0xffffffff804f5df8 in gtaskqueue_thread_loop (arg=<value optimized out>) at
/data/src/sys/kern/subr_gtaskqueue.c:507
#18 0xffffffff80483716 in fork_exit (callout=0xffffffff804f5d70
<gtaskqueue_thread_loop>, arg=0xfffffe0000221050, frame=0xfffffe00255abc00) at
/data/src/sys/kern/kern_fork.c:1057
#19 0xffffffff8071eb1e in fork_trampoline () at
/data/src/sys/amd64/amd64/exception.S:993
#20 0x0000000000000000 in ?? ()
Current language: auto; currently minimal
(kgdb)
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