Re: [Qemu-devel] [ANNOUNCE] QEMU 1.5.0-rc3 is now available

[Dongsheng Song]

On Sat, May 18, 2013 at 4:52 AM, Anthony Liguori <address@hidden> wrote:
>
> Hi,
>
> On behalf of the QEMU Team, I'd like to announce the availability of the
> fourth release candidate for the QEMU 1.5 release.  This release is meant
> for testing purposes and should not be used in a production environment.
>
> http://wiki.qemu.org/download/qemu-1.5.0-rc3.tar.bz2
>
> You can help improve the quality of the QEMU 1.5 release by testing this
> release and reporting bugs on Launchpad:
>
> https://bugs.launchpad.net/qemu/
>
> The release plan for the 1.5 release is available at:
>
> http://wiki.qemu.org/Planning/1.5
>
> Please add entries to the ChangeLog for the 1.5 release below:
>
> http://wiki.qemu.org/ChangeLog/Next
>
> The following changes have been made since v1.5.0-rc2:
>
>  - Revert "migration: don't account sleep time for calculating bandwidth" 
> (Michael Roth)
>  - main-loop: partial revert of 5e3bc73 (Stefan Hajnoczi)
>  - main-loop: narrow win32 pollfds_fill() event bitmasks (Stefan Hajnoczi)
>  - virtio: add virtio_bus_get_dev_path. (KONRAD Frederic)
>  - qga: unlink just created guest-file if fchmod() or fdopen() fails on it 
> (Laszlo Ersek)
>  - qga: distinguish binary modes in "guest_file_open_modes" map (Laszlo Ersek)
>
> Regards,
>
> Anthony Liguori
>

When I  test with  the latest Debian 7.0 armhf [1], I got
'Segmentation fault' error.
But qemu-1.4.1-win64.7z [2] is good.


[1] http://i18n-zh.googlecode.com/files/armhf_wheezy_qemu_20130518.7z
[2] https://code.google.com/p/i18n-zh/downloads/list?q=label:qemu

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 4340.0x163c]
qemu_coroutine_switch (action=COROUTINE_TERMINATE, to_=0x0, from_=0x3ba1c80)
    at /home/cauchy/vcs/git/qemu/coroutine-win32.c:47
47      /home/cauchy/vcs/git/qemu/coroutine-win32.c: No such file or directory.
(gdb) bt
#0  qemu_coroutine_switch (action=COROUTINE_TERMINATE, to_=0x0,
    from_=0x3ba1c80) at /home/cauchy/vcs/git/qemu/coroutine-win32.c:47
#1  coroutine_trampoline (co_=0x3ba1c80)
    at /home/cauchy/vcs/git/qemu/coroutine-win32.c:58
#2  0x0000000077098fed in ?? ()
#3  0x0000000000000000 in ?? ()
(gdb)
(gdb) info registers
rax            0x0      0
rbx            0x3ba1c80        62528640
rcx            0x0      0
rdx            0x0      0
rsi            0x770b28d0       1997220048
rdi            0x3ba1b38        62528312
rbp            0x0      0x0
rsp            0xc0bff60        0xc0bff60
r8             0x3184c0 3245248
r9             0x43e31a 4449050
r10            0x0      0
r11            0x206    518
r12            0x0      0
r13            0x0      0
r14            0x0      0
r15            0x0      0
rip            0x43e2cd 0x43e2cd <coroutine_trampoline+61>
eflags         0x10206  [ PF IF RF ]
cs             0x33     51
ss             0x2b     43
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0
(gdb) disassemble
Dump of assembler code for function coroutine_trampoline:
   0x000000000043e290 <+0>:     push   %rdi
   0x000000000043e291 <+1>:     push   %rsi
   0x000000000043e292 <+2>:     push   %rbx
   0x000000000043e293 <+3>:     sub    $0x30,%rsp
   0x000000000043e297 <+7>:     mov    %rcx,%rbx
   0x000000000043e29a <+10>:    lea    0x26dc1f(%rip),%rcx        #
0x6abec0 <__emutls_v.current>
   0x000000000043e2a1 <+17>:    mov    0x6868dd68(%rip),%rax        # 0x68acc010
   0x000000000043e2a8 <+24>:    mov    %rax,0x28(%rsp)
   0x000000000043e2ad <+29>:    xor    %eax,%eax
   0x000000000043e2af <+31>:    callq  0x695808 <__emutls_get_address>
   0x000000000043e2b4 <+36>:    mov    0x9090d9(%rip),%rsi        #
0xd47394 <__imp_SwitchToFiber>
   0x000000000043e2bb <+43>:    mov    %rax,%rdi
   0x000000000043e2be <+46>:    xchg   %ax,%ax
   0x000000000043e2c0 <+48>:    mov    0x8(%rbx),%rcx
   0x000000000043e2c4 <+52>:    callq  *(%rbx)
   0x000000000043e2c6 <+54>:    mov    0x10(%rbx),%rdx
   0x000000000043e2ca <+58>:    mov    %rdx,(%rdi)
=> 0x000000000043e2cd <+61>:    movl   $0x2,0x38(%rdx)
   0x000000000043e2d4 <+68>:    mov    0x30(%rdx),%rcx
   0x000000000043e2d8 <+72>:    callq  *%rsi
   0x000000000043e2da <+74>:    jmp    0x43e2c0 <coroutine_trampoline+48>
End of assembler dump.
(gdb)