Re: [Qemu-devel] xtensa failure: "tcg_handle_interrupt: assertion failed: (qemu_mutex_iothread_locked())"

[Thomas Huth]

On 01.03.2017 12:36, Alex Bennée wrote:
> 
> Peter Maydell <address@hidden> writes:
> 
>> I got a make check failure on aarch64 host running a sparc64 test:
>>
>>
>> TEST: tests/prom-env-test... (pid=13573)
>>   /sparc64/prom-env/sun4u:                                             **
>> ERROR:/home/pm215/qemu/translate-common.c:34:tcg_handle_interrupt:
>> assertion failed: (qemu_mutex_iothread_locked())
[...]
> What will be useful for all these reports is the backtrace. Then it's
> fairly simple to identify the thing triggering the interrupt and
> identify the correct place for the locking.

xtensa-softmmu crashes, too:

#0  0x00007ffff18ef1d7 in raise () at /lib64/libc.so.6
#1  0x00007ffff18f08c8 in abort () at /lib64/libc.so.6
#2  0x00007ffff2f642a5 in g_assertion_message () at /lib64/libglib-2.0.so.0
#3  0x00007ffff2f6433a in g_assertion_message_expr () at /lib64/libglib-2.0.so.0
#4  0x00005555555e5411 in tcg_handle_interrupt (cpu=0x555555fec400, mask=2) at 
/home/thuth/devel/qemu/translate-common.c:34
#5  0x000055555563d2e7 in check_interrupts (mask=2, cpu=0x555555fec400) at 
/home/thuth/devel/qemu/include/qom/cpu.h:801
#6  0x000055555563d2e7 in check_interrupts (env=0x555555ff4690) at 
/home/thuth/devel/qemu/hw/xtensa/pic_cpu.c:44
#7  0x00007fffe5ab66da in code_gen_buffer ()
#8  0x00005555555e4a51 in cpu_exec (itb=<optimized out>, itb=<optimized out>, 
cpu=0x7fffe51bf3c0)
    at /home/thuth/devel/qemu/cpu-exec.c:165
#9  0x00005555555e4a51 in cpu_exec (sc=0x7fffe51bc9b0, tb_exit=<synthetic 
pointer>, last_tb=<synthetic pointer>, tb=<optimized out>, cpu=0x7fffe51bf3c0) 
at /home/thuth/devel/qemu/cpu-exec.c:584
#10 0x00005555555e4a51 in cpu_exec (address@hidden) at 
/home/thuth/devel/qemu/cpu-exec.c:686
#11 0x000055555560e89a in tcg_cpu_exec (cpu=0x555555fec400) at 
/home/thuth/devel/qemu/cpus.c:1251
#12 0x000055555560ebd4 in qemu_tcg_rr_cpu_thread_fn (arg=<optimized out>) at 
/home/thuth/devel/qemu/cpus.c:1347
#13 0x00007ffff53b3dc5 in start_thread () at /lib64/libpthread.so.0
#14 0x00007ffff19b173d in clone () at /lib64/libc.so.6

IIRC I once downloaded that image from 
http://wiki.qemu-project.org/Testing/System_Images

 Thomas