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[Qemu-ppc] qemu-ppc crashing on x86
From: |
Cedric Le Goater |
Subject: |
[Qemu-ppc] qemu-ppc crashing on x86 |
Date: |
Mon, 03 Feb 2014 23:31:18 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20131104 Icedove/17.0.10 |
Hi,
The "latest" qemu-ppc is crashing when running a ppc guest on x86. I was using
a
relatively old version until recently, when Tom Musta's patches were merged a
few
days ago.
Anyhow, here are some info on the crash.
qemu-system-ppc64: /home/legoater/work/linux/qemu-agraf.git/tcg/tcg.c:515:
tcg_temp_new_internal: Assertion `ts->base_type == type' failed.
Aborted (core dumped)
and the core stack trace :
#0 0xb7173424 in __kernel_vsyscall ()
#1 0xb6d73941 in raise () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#2 0xb6d76d72 in abort () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#3 0xb6d6cb58 in __assert_fail () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#4 0xb75c4a4a in tcg_temp_new_internal (type=TCG_TYPE_I32, temp_local=0)
at /home/legoater/work/linux/qemu-agraf.git/tcg/tcg.c:515
#5 0xb75c4c70 in tcg_temp_new_internal_i32 (temp_local=0)
at /home/legoater/work/linux/qemu-agraf.git/tcg/tcg.c:559
#6 0xb75beb03 in tcg_temp_new_i32 () at
/home/legoater/work/linux/qemu-agraf.git/tcg/tcg.h:569
#7 0xb75c4efb in tcg_const_i32 (val=25) at
/home/legoater/work/linux/qemu-agraf.git/tcg/tcg.c:606
#8 0xb75bf0a4 in tcg_gen_shli_i32 (ret=..., arg1=..., arg2=25)
at /home/legoater/work/linux/qemu-agraf.git/tcg/tcg-op.h:612
#9 0xb75c5517 in tcg_gen_shifti_i64 (ret=..., arg1=..., c=7, right=1, arith=0)
at /home/legoater/work/linux/qemu-agraf.git/tcg/tcg.c:790
#10 0xb7543d21 in tcg_gen_shri_i64 (ret=..., arg1=..., arg2=7)
at /home/legoater/work/linux/qemu-agraf.git/tcg/tcg-op.h:985
#11 0xb755ff4f in gen_rlwinm (ctx=0x9c7c9e3c)
at /home/legoater/work/linux/qemu-agraf.git/target-ppc/translate.c:1636
#12 0xb75ba884 in gen_intermediate_code_internal (cpu=0xb964e210,
tb=0x9d5065b4, search_pc=false)
at /home/legoater/work/linux/qemu-agraf.git/target-ppc/translate.c:11001
#13 0xb75bac50 in gen_intermediate_code (env=0xb964e2cc, tb=0x9d5065b4)
at /home/legoater/work/linux/qemu-agraf.git/target-ppc/translate.c:11058
#14 0xb75caec3 in cpu_ppc_gen_code (env=0xb964e2cc, tb=0x9d5065b4,
gen_code_size_ptr=0x9c7c9f7c)
at /home/legoater/work/linux/qemu-agraf.git/translate-all.c:159
#15 0xb75cc28b in tb_gen_code (env=0xb964e2cc, pc=19524, cs_base=0, flags=0,
cflags=0)
at /home/legoater/work/linux/qemu-agraf.git/translate-all.c:967
#16 0xb7431fa4 in tb_find_slow (env=0xb964e2cc, pc=19524, cs_base=0, flags=0)
at /home/legoater/work/linux/qemu-agraf.git/cpu-exec.c:163
#17 0xb743219d in tb_find_fast (env=0xb964e2cc) at
/home/legoater/work/linux/qemu-agraf.git/cpu-exec.c:190
#18 0xb74325cf in cpu_ppc_exec (env=0xb964e2cc) at
/home/legoater/work/linux/qemu-agraf.git/cpu-exec.c:604
#19 0xb7435bb8 in tcg_cpu_exec (env=0xb964e2cc) at
/home/legoater/work/linux/qemu-agraf.git/cpus.c:1255
#20 0xb7435cfc in tcg_exec_all () at
/home/legoater/work/linux/qemu-agraf.git/cpus.c:1288
#21 0xb7435061 in qemu_tcg_cpu_thread_fn (arg=0xb964e210) at
/home/legoater/work/linux/qemu-agraf.git/cpus.c:954
#22 0xb6eb1c39 in start_thread () from
/lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#23 0xb6e1e78e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
(gdb) up
#1 0xb6d73941 in raise () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
(gdb) up
#2 0xb6d76d72 in abort () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
(gdb) up
#3 0xb6d6cb58 in __assert_fail () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
(gdb) up
#4 0xb75c4a4a in tcg_temp_new_internal (type=TCG_TYPE_I32, temp_local=0)
at /home/legoater/work/linux/qemu-agraf.git/tcg/tcg.c:515
515 assert(ts->base_type == type);
(gdb) p type
$1 = TCG_TYPE_I32
(gdb) p *ts
$2 = {base_type = TCG_TYPE_I64, type = TCG_TYPE_I32, val_type = 0, reg = 6, val
= 0, mem_reg = 4,
mem_offset = 128, fixed_reg = 0, mem_coherent = 0, mem_allocated = 0,
temp_local = 0, temp_allocated = 1,
name = 0x0}
It might be related to commit 0ec9eabc7f6020418e1f3b3273d1dd701f7f87f9
(tcg: Use bitmaps for free temporaries). I tried a few possible fixes
but I did not have much success. Any idea ?
Thanks,
C.
- [Qemu-ppc] qemu-ppc crashing on x86,
Cedric Le Goater <=