Re: assert fails in s390x TCG

[Claudio Fontana]

On 7/28/23 15:33, Richard Henderson wrote:
> On 7/28/23 06:29, Claudio Fontana wrote:
>> On 7/27/23 19:41, Richard Henderson wrote:
>>> On 7/21/23 02:08, Claudio Fontana wrote:
>>>> Thread 3 "qemu-system-s39" received signal SIGABRT, Aborted.
>>>> [Switching to Thread 0x7ffff53516c0 (LWP 215975)]
>>>> (gdb) bt
>>>> #0  0x00007ffff730dabc in __pthread_kill_implementation () at 
>>>> /lib64/libc.so.6
>>>> #1  0x00007ffff72bc266 in raise () at /lib64/libc.so.6
>>>> #2  0x00007ffff72a4897 in abort () at /lib64/libc.so.6
>>>> #3  0x00007ffff76f0eee in  () at /lib64/libglib-2.0.so.0
>>>> #4  0x00007ffff775649a in g_assertion_message_expr () at 
>>>> /lib64/libglib-2.0.so.0
>>>> #5  0x0000555555b96134 in page_unlock__debug (pd=0x7ffee8680440) at 
>>>> ../accel/tcg/tb-maint.c:348
>>>> #6  0x0000555555b962a9 in page_unlock (pd=0x7ffee8680440) at 
>>>> ../accel/tcg/tb-maint.c:397
>>>> #7  0x0000555555b96580 in tb_unlock_pages (tb=0x7fffefffeb00) at 
>>>> ../accel/tcg/tb-maint.c:483
>>>> #8  0x0000555555b94698 in cpu_exec_longjmp_cleanup (cpu=0x555556566a30) at 
>>>> ../accel/tcg/cpu-exec.c:556
>>>
>>>
>>> 20230726201330.357175-1-richard.henderson@linaro.org/">https://patchew.org/QEMU/20230726201330.357175-1-richard.henderson@linaro.org/
>>>
>>>
>>> r~
>>
>> Hi Richard,
>>
>> I applied your patch, however I still encounter an assert:
>>
>> ERROR:../accel/tcg/tb-maint.c:367:assert_no_pages_locked: assertion failed: 
>> (g_hash_table_size(ht_pages_locked_debug) == 0)
>> Bail out! ERROR:../accel/tcg/tb-maint.c:367:assert_no_pages_locked: 
>> assertion failed: (g_hash_table_size(ht_pages_locked_debug) == 0)
> 
> What's the test case?
> 
> 
> r~

It is a test environment for building packages, so the guest at the time of the 
error is running ./configure for the package swig-v4.1.1.tar.gz

checking build system type... s390x-ibm-linux-gnu^M
checking host system type... s390x-ibm-linux-gnu^M
checking for a BSD-compatible install... /usr/bin/install -c^M
checking whether build environment is sane... [New Thread 0x7ffea3fff6c0 (LWP 
116436)]
[New Thread 0x7ffec14e26c0 (LWP 116437)]
[New Thread 0x7ffecf73e6c0 (LWP 116438)]
[New Thread 0x7ffecde2c6c0 (LWP 116439)]
[New Thread 0x7ffec2beb6c0 (LWP 116440)]
yes^M
checking for a thread-safe mkdir -p... /usr/bin/mkdir -p^M
checking for gawk... gawk^M
checking whether make sets $(MAKE)... yes^M
checking whether make supports nested variables... yes^M
checking for s390x-ibm-linux-gnu-gcc... gcc^M
checking whether the C compiler works... **

So I presume we are in:

AC_PROG_CC