On Thu, 1 Feb 2024 13:12:23 +0000
Peter Maydell <peter.mayd...@linaro.org> wrote:
> On Thu, 1 Feb 2024 at 13:04, Jonathan Cameron via <qemu-devel@nongnu.org>
> wrote:
> >
>
>
>
>
> > root@localhost:~/devmem2# numactl --membind=1 touch a
> > qemu: fatal: cpu_io_recompile: could not find TB for pc=(nil)
>
> Can you run QEMU under gdb and give the backtrace when it stops
> on the abort() ? That will probably have a helpful clue. I
> suspect something is failing to pass a valid retaddr in
> when it calls a load/store function.
>
> thanks
> -- PMM
[Switching to Thread 0x7ffff56ff6c0 (LWP 21916)]
__pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at
./nptl/pthread_kill.c:44
44 ./nptl/pthread_kill.c: No such file or directory.
(gdb) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)
at ./nptl/pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at
./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at
./nptl/pthread_kill.c:89
#3 0x00007ffff77c43b6 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#4 0x00007ffff77aa87c in __GI_abort () at ./stdlib/abort.c:79
#5 0x0000555555c0d4ce in cpu_abort
(cpu=cpu@entry=0x555556fd9000, fmt=fmt@entry=0x555555fe3378
"cpu_io_recompile: could not find TB for pc=%p")
at ../../cpu-target.c:359
#6 0x0000555555c59435 in cpu_io_recompile (cpu=cpu@entry=0x555556fd9000,
retaddr=retaddr@entry=0) at ../../accel/tcg/translate-all.c:611
#7 0x0000555555c5c956 in io_prepare
(retaddr=0, addr=19595792376, attrs=..., xlat=<optimized out>,
cpu=0x555556fd9000, out_offset=<synthetic pointer>)
at ../../accel/tcg/cputlb.c:1339
#8 do_ld_mmio_beN
(cpu=0x555556fd9000, full=0x7fffee0d96e0, ret_be=ret_be@entry=0,
addr=19595792376, size=size@entry=8, mmu_idx=4, type=MMU_DATA_LOAD, ra=0) at
../../accel/tcg/cputlb.c:2030
#9 0x0000555555c5dfad in do_ld_8
(cpu=cpu@entry=0x555556fd9000, p=p@entry=0x7ffff56fddc0, mmu_idx=<optimized
out>, type=type@entry=MMU_DATA_LOAD, memop=<optimized out>, ra=ra@entry=0) at
../../accel/tcg/cputlb.c:2356
#10 0x0000555555c6026f in do_ld8_mmu
(cpu=cpu@entry=0x555556fd9000, addr=addr@entry=19595792376, oi=oi@entry=52,
ra=ra@entry=0, access_type=access_type@entry=MMU_DATA_LOAD) at
../../accel/tcg/cputlb.c:2439
#11 0x0000555555c629f9 in cpu_ldq_mmu (ra=0, oi=52, addr=19595792376,
env=0x555556fdb7c0) at ../../accel/tcg/ldst_common.c.inc:169
#12 cpu_ldq_le_mmuidx_ra (env=0x555556fdb7c0, addr=19595792376,
mmu_idx=<optimized out>, ra=ra@entry=0)
at ../../accel/tcg/ldst_common.c.inc:301
#13 0x0000555555b18ede in ptw_ldq (in=0x7ffff56fdf00) at
../../target/i386/tcg/sysemu/excp_helper.c:98
#14 ptw_ldq (in=0x7ffff56fdf00) at ../../target/i386/tcg/sysemu/excp_helper.c:93
#15 mmu_translate (env=env@entry=0x555556fdb7c0, in=in@entry=0x7ffff56fdfa0,
out=out@entry=0x7ffff56fdf70, err=err@entry=0x7ffff56fdf80)
at ../../target/i386/tcg/sysemu/excp_helper.c:173
#16 0x0000555555b19c95 in get_physical_address
(err=0x7ffff56fdf80, out=0x7ffff56fdf70, mmu_idx=0,
access_type=MMU_INST_FETCH, addr=18446744072116178925, env=0x555556fdb7c0)
at ../../target/i386/tcg/sysemu/excp_helper.c:578
#17 x86_cpu_tlb_fill
(cs=0x555556fd9000, addr=18446744072116178925, size=<optimized out>,
access_type=MMU_INST_FETCH, mmu_idx=0, probe=<optimized out>, retaddr=0) at
../../target/i386/tcg/sysemu/excp_helper.c:604
#18 0x0000555555c5dd2b in probe_access_internal
(cpu=<optimized out>, addr=18446744072116178925,
fault_size=fault_size@entry=1, access_type=access_type@entry=MMU_INST_FETCH,
mmu_idx=0, nonfault=nonfault@entry=false, phost=0x7ffff56fe0d0,
pfull=0x7ffff56fe0c8, retaddr=0, check_mem_cbs=false)
at ../../accel/tcg/cputlb.c:1432
#19 0x0000555555c61ff8 in get_page_addr_code_hostp (env=<optimized out>,
addr=addr@entry=18446744072116178925, hostp=hostp@entry=0x0)
at ../../accel/tcg/cputlb.c:1603
#20 0x0000555555c50a2b in get_page_addr_code (addr=18446744072116178925,
env=<optimized out>)
at /home/jic23/src/qemu/include/exec/exec-all.h:594
#21 tb_htable_lookup (cpu=<optimized out>, pc=pc@entry=18446744072116178925,
cs_base=0, flags=415285936, cflags=4278353920)
at ../../accel/tcg/cpu-exec.c:231
#22 0x0000555555c50c08 in tb_lookup
(cpu=cpu@entry=0x555556fd9000, pc=pc@entry=18446744072116178925,
cs_base=cs_base@entry=0, flags=<optimized out>, cflags=<optimized out>) at
../../accel/tcg/cpu-exec.c:267
#23 0x0000555555c51e23 in helper_lookup_tb_ptr (env=0x555556fdb7c0) at
../../accel/tcg/cpu-exec.c:423
#24 0x00007fffa9076ead in code_gen_buffer ()
#25 0x0000555555c50fab in cpu_tb_exec (cpu=cpu@entry=0x555556fd9000,
itb=<optimized out>, tb_exit=tb_exit@entry=0x7ffff56fe708)
at ../../accel/tcg/cpu-exec.c:458
#26 0x0000555555c51492 in cpu_loop_exec_tb
(tb_exit=0x7ffff56fe708, last_tb=<synthetic pointer>,
pc=18446744072116179169, tb=<optimized out>, cpu=0x555556fd9000)
at ../../accel/tcg/cpu-exec.c:920
#27 cpu_exec_loop (cpu=cpu@entry=0x555556fd9000, sc=sc@entry=0x7ffff56fe7a0) at
../../accel/tcg/cpu-exec.c:1041
#28 0x0000555555c51d11 in cpu_exec_setjmp (cpu=cpu@entry=0x555556fd9000,
sc=sc@entry=0x7ffff56fe7a0) at ../../accel/tcg/cpu-exec.c:1058
#29 0x0000555555c523b4 in cpu_exec (cpu=cpu@entry=0x555556fd9000) at
../../accel/tcg/cpu-exec.c:1084
#30 0x0000555555c74053 in tcg_cpus_exec (cpu=cpu@entry=0x555556fd9000) at
../../accel/tcg/tcg-accel-ops.c:76
#31 0x0000555555c741a0 in mttcg_cpu_thread_fn (arg=arg@entry=0x555556fd9000) at
../../accel/tcg/tcg-accel-ops-mttcg.c:95
#32 0x0000555555dfb580 in qemu_thread_start (args=0x55555703c3e0) at
../../util/qemu-thread-posix.c:541
#33 0x00007ffff78176ba in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:444
#34 0x00007ffff78a60d0 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
