Re: [Qemu-devel] [PULL v2 00/29] Misc patches for QEMU 2.6 hard freeze

[Peter Maydell]

On 22 March 2016 at 21:55, Paolo Bonzini <address@hidden> wrote:
> The following changes since commit 4829e0378dfb91d55af9dfd741bd09e8f2c4f91a:
>
>   Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-03-18' 
> into staging (2016-03-18 17:18:41 +0000)
>
> are available in the git repository at:
>
>   git://github.com/bonzini/qemu.git tags/for-upstream
>
> for you to fetch changes up to ba0fb75c6400fbf75e2e8b52d2c6e2e8e848777c:
>
>   target-i386: implement PKE for TCG (2016-03-22 22:20:18 +0100)
>
> ----------------------------------------------------------------
> * Log filtering from Alex and Peter
> * Chardev fixes from Daniel and Marc-André
> * config.status tweak from David
> * Header file tweaks from Markus, myself and Veronia (Outreachy candidate)
> * get_ticks_per_sec() removal from Rutuja (Outreachy candidate)
> * Coverity fix from myself
> * PKE implementation from myself, based on rth's XSAVE support

Unfortunately something in this pullreq results in an ACPI test hang
on OSX:

manooth$ QTEST_QEMU_BINARY=i386-softmmu/qemu-system-i386
QTEST_QEMU_IMG=qemu-img gtester -k --verbose -m=quick tests/ahci-test
TEST: tests/ahci-test... (pid=82847)
  /i386/ahci/sanity:                                                   OK
  /i386/ahci/pci_spec:                                                 OK
  /i386/ahci/pci_enable:                                               OK
  /i386/ahci/hba_spec:                                                 OK
  /i386/ahci/hba_enable:                                               OK
  /i386/ahci/identify:                                                 OK
  /i386/ahci/io/pio/lba28/simple/zero:                                 OK
  /i386/ahci/io/pio/lba28/simple/low:                                  OK
  /i386/ahci/io/pio/lba28/simple/high:                                 OK
  /i386/ahci/io/pio/lba28/double/zero:

backtrace of the qemu process:

(gdb) thread apply all bt

Thread 4 (process 82858):
#0  0x00007fff9027875a in __sigwait ()
#1  0x00007fff86e188cd in sigwait ()
#2  0x00000001008a7aeb in qemu_dummy_cpu_thread_fn (arg=<value
temporarily unavailable, due to optimizations>) at
/Users/pm215/src/qemu-for-merges/cpus.c:1097
#3  0x00007fff86e1705a in _pthread_body ()
#4  0x00007fff86e16fd7 in _pthread_start ()
#5  0x00007fff86e143ed in thread_start ()

Thread 3 (process 82858):
#0  0x00007fff9027875a in __sigwait ()
#1  0x00007fff86e188cd in sigwait ()
#2  0x0000000100b8a31e in sigwait_compat (opaque=0x7f9f4947c4e0) at
/Users/pm215/src/qemu-for-merges/util/compatfd.c:37
#3  0x00007fff86e1705a in _pthread_body ()
#4  0x00007fff86e16fd7 in _pthread_start ()
#5  0x00007fff86e143ed in thread_start ()

Thread 2 (process 82858):
#0  0x00007fff90278136 in __psynch_cvwait ()
#1  0x00007fff86e17560 in _pthread_cond_wait ()
#2  0x0000000100b8b994 in futex_wait [inlined] () at
/Users/pm215/src/qemu-for-merges/util/qemu-thread-posix.c:319
#3  0x0000000100b8b994 in qemu_event_wait (ev=0x10127ec80) at
/Users/pm215/src/qemu-for-merges/util/qemu-thread-posix.c:399
#4  0x0000000100b9b9a4 in call_rcu_thread (opaque=0x10127ecc0) at
/Users/pm215/src/qemu-for-merges/util/rcu.c:250
#5  0x00007fff86e1705a in _pthread_body ()
#6  0x00007fff86e16fd7 in _pthread_start ()
#7  0x00007fff86e143ed in thread_start ()

Thread 1 (process 82858):
#0  0x00007fff902783fa in select$DARWIN_EXTSN ()
#1  0x00000001016531ed in g_poll ()
#2  0x0000000100af682b in main_loop_wait (nonblocking=<value
temporarily unavailable, due to optimizations>) at
/Users/pm215/src/qemu-for-merges/main-loop.c:252
#3  0x000000010096e10a in main_loop [inlined] () at
/Users/pm215/src/qemu-for-merges/vl.c:1934
#4  0x000000010096e10a in qemu_main (argc=<value temporarily
unavailable, due to optimizations>, argv=<value temporarily
unavailable, due to optimizations>, envp=0x7fff5f38a1d0) at
/Users/pm215/src/qemu-for-merges/vl.c:4660
#5  0x00007fff90b745c9 in start ()

I'll have a go at a bisect.

thanks
-- PMM