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Re: [qemu-s390x] [Qemu-devel] [PATCH 15/18] Boot Linux Console Test: add


From: Laszlo Ersek
Subject: Re: [qemu-s390x] [Qemu-devel] [PATCH 15/18] Boot Linux Console Test: add a test for aarch64 + virt
Date: Fri, 7 Jun 2019 09:41:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 06/07/19 05:26, Eduardo Habkost wrote:

> Thread 4 (Thread 0x7f2e45fff700 (LWP 6461)):
> #0  0x00007f2e4ec03500 in nanosleep () at /lib64/libpthread.so.0
> #1  0x00007f2e4fb229d7 in g_usleep () at /lib64/libglib-2.0.so.0
> #2  0x0000559a4e7ca4c9 in qemu_chr_write_buffer (s=s@entry=0x559a502d0ac0, 
> buf=buf@entry=0x7f2e45ffdd90 "7", len=1, offset=offset@entry=0x7f2e45ffdd60, 
> write_all=true) at chardev/char.c:115
> #3  0x0000559a4e7ca78f in qemu_chr_write (s=0x559a502d0ac0, 
> buf=buf@entry=0x7f2e45ffdd90 "7", len=len@entry=1, 
> write_all=write_all@entry=true) at chardev/char.c:148
> #4  0x0000559a4e7cc7e2 in qemu_chr_fe_write_all (be=be@entry=0x559a504b4c50, 
> buf=buf@entry=0x7f2e45ffdd90 "7", len=len@entry=1) at chardev/char-fe.c:53
> #5  0x0000559a4e58f320 in pl011_write (opaque=0x559a504b47d0, offset=0, 
> value=55, size=<optimized out>) at hw/char/pl011.c:183
> #6  0x0000559a4e325121 in memory_region_write_accessor (mr=0x559a504b4ae0, 
> addr=0, value=<optimized out>, size=2, shift=<optimized out>, mask=<optimized 
> out>, attrs=...) at /home/ehabkost/rh/proj/virt/qemu/memory.c:503
> #7  0x0000559a4e322cd6 in access_with_adjusted_size (addr=addr@entry=0, 
> value=value@entry=0x7f2e45ffded8, size=size@entry=2, 
> access_size_min=<optimized out>, access_size_max=<optimized out>, 
> access_fn=access_fn@entry=
>     0x559a4e3250a0 <memory_region_write_accessor>, mr=0x559a504b4ae0, 
> attrs=...) at /home/ehabkost/rh/proj/virt/qemu/memory.c:569
> #8  0x0000559a4e32763f in memory_region_dispatch_write 
> (mr=mr@entry=0x559a504b4ae0, addr=addr@entry=0, data=<optimized out>, 
> data@entry=55, size=size@entry=2, attrs=...) at 
> /home/ehabkost/rh/proj/virt/qemu/memory.c:1497
> #9  0x0000559a4e338708 in io_writex (env=env@entry=0x559a503d5620, 
> mmu_idx=mmu_idx@entry=1, val=val@entry=55, 
> addr=addr@entry=18446462598867529728, retaddr=139836732143069, size=2, 
> iotlbentry=<optimized out>, iotlbentry=<optimized out>)
>     at /home/ehabkost/rh/proj/virt/qemu/accel/tcg/cputlb.c:945
> #10 0x0000559a4e33d203 in store_helper (big_endian=false, size=2, 
> retaddr=<optimized out>, oi=<optimized out>, val=55, 
> addr=18446462598867529728, env=0x559a503d5620) at 
> /home/ehabkost/rh/proj/virt/qemu/accel/tcg/cputlb.c:1544
> #11 0x0000559a4e33d203 in helper_le_stw_mmu (env=0x559a503d5620, 
> addr=18446462598867529728, val=55, oi=<optimized out>, 
> retaddr=139836732143069) at 
> /home/ehabkost/rh/proj/virt/qemu/accel/tcg/cputlb.c:1636
> #12 0x00007f2e46bef5dd in code_gen_buffer ()
> #13 0x0000559a4e352381 in cpu_tb_exec (itb=<optimized out>, 
> cpu=0x559a503d5620) at 
> /home/ehabkost/rh/proj/virt/qemu/accel/tcg/cpu-exec.c:171
> #14 0x0000559a4e352381 in cpu_loop_exec_tb (tb_exit=<synthetic pointer>, 
> last_tb=<synthetic pointer>, tb=<optimized out>, cpu=0x559a503d5620) at 
> /home/ehabkost/rh/proj/virt/qemu/accel/tcg/cpu-exec.c:618
> #15 0x0000559a4e352381 in cpu_exec (cpu=cpu@entry=0x559a503cd360) at 
> /home/ehabkost/rh/proj/virt/qemu/accel/tcg/cpu-exec.c:729
> #16 0x0000559a4e30ea0f in tcg_cpu_exec (cpu=0x559a503cd360) at 
> /home/ehabkost/rh/proj/virt/qemu/cpus.c:1434
> #17 0x0000559a4e310b6b in qemu_tcg_cpu_thread_fn 
> (arg=arg@entry=0x559a503cd360) at /home/ehabkost/rh/proj/virt/qemu/cpus.c:1743
> #18 0x0000559a4e83669a in qemu_thread_start (args=<optimized out>) at 
> util/qemu-thread-posix.c:502
> #19 0x00007f2e4ebf958e in start_thread () at /lib64/libpthread.so.0
> #20 0x00007f2e4eb266f3 in clone () at /lib64/libc.so.6

See also <https://bugzilla.redhat.com/show_bug.cgi?id=1661940>.

$ git show 6ab3fc32ea64 -- hw/char/pl011.c

Thanks
Laszlo



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