https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231080
Bug ID: 231080
Summary: Possible HPET timer panic
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: sbr...@freebsd.org
Created attachment 196771
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=196771&action=edit
Crashdump summary from this panic.
FreeBSD service1.rbsd.freebsd.org 12.0-ALPHA3 FreeBSD 12.0-ALPHA3 #0 r338350M:
Tue Aug 28 17:14:21 UTC 2018
pe...@build-12.freebsd.org:/usr/obj/usr/src/sys/CLUSTER12 amd64
This machine panic'd overnight. I've never seen this specific crash before.
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x48
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff8085978f
stack pointer = 0x28:0xfffffe00188da770
frame pointer = 0x28:0xfffffe00188da7e0
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 = 11 (idle: cpu0)
#0 doadump (textdump=16777216) at pcpu.h:230
230 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=16777216) at pcpu.h:230
#1 0xffffffff804ccb4c in db_fncall (dummy1=<value optimized out>,
dummy2=<value optimized out>, dummy3=<value optimized out>,
dummy4=<value optimized out>) at /usr/src/sys/ddb/db_command.c:609
#2 0xffffffff804cc689 in db_command (cmd_table=<value optimized out>)
at /usr/src/sys/ddb/db_command.c:481
#3 0xffffffff804cc404 in db_command_loop ()
at /usr/src/sys/ddb/db_command.c:534
#4 0xffffffff804cf6af in db_trap (type=<value optimized out>,
code=<value optimized out>) at /usr/src/sys/ddb/db_main.c:252
#5 0xffffffff8088b803 in kdb_trap (type=12, code=0, tf=<value optimized out>)
at /usr/src/sys/kern/subr_kdb.c:693
#6 0xffffffff80bad6f1 in trap_fatal (frame=0xfffffe00188da6b0, eva=72)
at /usr/src/sys/amd64/amd64/trap.c:920
#7 0xffffffff80bad7f9 in trap_pfault (frame=0xfffffe00188da6b0, usermode=0)
at pcpu.h:230
#8 0xffffffff80bace1e in trap (frame=0xfffffe00188da6b0)
at /usr/src/sys/amd64/amd64/trap.c:441
#9 0xffffffff80b8d1a5 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:232
#10 0xffffffff8085978f in callout_process (now=1248557731072764)
at /usr/src/sys/kern/kern_timeout.c:510
#11 0xffffffff80c323c8 in handleevents (now=1248557731072764, fake=0)
at /usr/src/sys/kern/kern_clocksource.c:213
#12 0xffffffff80c32c41 in timercb (et=<value optimized out>,
arg=<value optimized out>) at /usr/src/sys/kern/kern_clocksource.c:357
#13 0xffffffff80bbac99 in hpet_intr_single (arg=0xfffffe0000b440b0)
at /usr/src/sys/dev/acpica/acpi_hpet.c:309
#14 0xffffffff80bbad3e in hpet_intr (arg=0xfffffe0000b44000)
at /usr/src/sys/dev/acpica/acpi_hpet.c:327
#15 0xffffffff808097fd in intr_event_handle (ie=0xfffff80002169100,
frame=0xfffffe00188da9a0) at ck_pr.h:40
#16 0xffffffff80c6b0b8 in intr_execute_handlers (isrc=0xfffff8000203ee40,
frame=0xfffffe00188da9a0) at /usr/src/sys/x86/x86/intr_machdep.c:285
#17 0xffffffff80c71534 in lapic_handle_intr (vector=<value optimized out>,
frame=<value optimized out>) at /usr/src/sys/x86/x86/local_apic.c:1270
#18 0xffffffff80b8e459 in Xapic_isr1 () at apic_vector.S:118
#19 0xffffffff80c67816 in acpi_cpu_c1 ()
at /usr/src/sys/x86/x86/cpu_machdep.c:139
#20 0xffffffff804f2637 in acpi_cpu_idle (sbt=<value optimized out>)
at /usr/src/sys/dev/acpica/acpi_cpu.c:1187
#21 0xffffffff80c67e7f in cpu_idle_acpi (sbt=31836195)
at /usr/src/sys/x86/x86/cpu_machdep.c:433
#22 0xffffffff80c67f37 in cpu_idle (busy=0)
at /usr/src/sys/x86/x86/cpu_machdep.c:581
#23 0xffffffff80873f25 in sched_idletd (dummy=<value optimized out>)
at /usr/src/sys/kern/sched_ule.c:2829
#24 0xffffffff80806c63 in fork_exit (
callout=0xffffffff80873a10 <sched_idletd>, arg=0x0,
frame=0xfffffe00188dac00) at /usr/src/sys/kern/kern_fork.c:1057
#25 0xffffffff80b8e18e in fork_trampoline ()
at /usr/src/sys/amd64/amd64/exception.S:993
#26 0x0000000000000000 in ?? ()
Current language: auto; currently minimal
(kgdb)
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