Op 11-06-2020 om 15:21 schreef Konstantin Belousov:
On Thu, Jun 11, 2020 at 06:05:00AM -0700, David Wolfskill wrote:
Build machine (mini-tower) performed the update (r362008 -> r362045)
without issue, but my laptop panicked quite early on -- before the dump
device was configured.
I have taken and placed a couple of screen shots in
http://www.catwhisker.org/~david/FreeBSD/head/r362045/
Looking at the displayed backtrace, I see:
--- trap 0xc ...
futex_xchgl_reslover()
elf_reloc_internal()
link_elf_reloc_local()
link_elf_link_preload_finish()
linker_preload()
mi_startup()
Any clues? I'm hapy to poke at it or try patches.
Booting from kernel.old (r362008) still works:
FreeBSD g1-55.catwhisker.org 13.0-CURRENT FreeBSD 13.0-CURRENT #46
r362008M/362008: Wed Jun 10 04:19:33 PDT 2020
r...@g1-55.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY amd64
1300097 1300097
The link times out.
There is not much to access in futex_xchgl_resolver() except for the
data segment. Without full panic message and disassemble of your instance
of futex_xchgl_resolver() it is not possible to ee what is going on.
Just in case, can you try clean build, if you did -DNO_CLEAN ?
Just a me too.
I updated from 362042 -> 362053
I get this panic very early.
(hand typed so could contain some typo's)
FreeBSD clang version 10.0.1 (g...@github.com:llvm/llvm-project.git
llvmorg-10.0.1-rc1-0-gf79cd71e145
VT(vgs): resolution 640x480
kernel trap 12 with interupts disabled
panic: vm_fault_lookup: fault on nofault entry, addr: 0xffffffff83a3d000
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xffffffff83a65830
vpanic() at vpanic+0x182/frame 0xffffffff83a65880
panic() ata panic+0x43/frame 0xffffffff83a658e00
vm_fault() at vm_fault+0x1ab5/frame 0xffffffff83a659f0
vm_fault_trap() at vam_fault_trap+0x6-/frame 0xffffffff83a65a30
trap_pfault at trap_pfault+0x19c/frame 0xffffffff83a65a80
trap() at trap+0x271/frame 0xffffffff8365b90
calltrap() at calltrap+0x8/frame 0xffffffff83a65b90
--- trap 0xc, rip = 0xffffffff83a3d470, rsp = 0xffffffff83a65c68, rbp =
0xffffffff83a65cb0 ---
opensolaris_utsname_init() at opensolaris_utsname_init/frame
0xffffffff83a65cb0btext() at btext+0x2c
KDB: enter : panic
[ thread pid 0 tid 0 ]
Stopped at kdb_enter+0x37: movq $0,0x1fc1686(%rip)
db>
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