On Thu, 2018-03-01 at 12:16 +0100, Gianfranco Costamagna wrote: > On Tue, 06 Feb 2018 16:29:09 -0700 Kevin Locke <ke...@kevinlocke.name> wrote: >> When running a Windows 7 guest using the PulseAudio host audio driver >> and either "ICH AC97" or "Intel HD Audio" audio controller, running >> PowerShell and causing repeated beeping (e.g. by invoking ^G repeatedly) >> will cause VirtualBox to crash with SIGSEGV. I was able to reproduce >> the issue using the Microsoft-provided "IE8 on Win7 (x86)" VM image[1] >> but was unable to reproduce it from terminal beeps using a Linux image. > > Can you please try 5.1.8?
Sure. I assume you meant 5.2.8. Let me know if you really want me to find a copy of 5.1.8 to test. With 5.2.8 I was unable to reproduce the issue with the "Intel HD Audio" audio controller, but it still occurred with the "ICH AC97" audio controller. Backtrace with 5.2.8-dfsg-1: Program terminated with signal SIGSEGV, Segmentation fault. #0 pa_threaded_mainloop_signal (m=0x191, wait_for_accept=0) at pulse/thread-mainloop.c:196 [Current thread is 1 (Thread 0x7f42056b1700 (LWP 3814))] #0 0x00007f420c181bde in pa_threaded_mainloop_signal (m=0x191, wait_for_accept=0) at pulse/thread-mainloop.c:196 #1 0x00007f420c178a95 in pa_stream_simple_ack_callback (pd=pd@entry=0x7f41f80017f0, command=command@entry=2, tag=tag@entry=22001, t=t@entry=0x7f41f80028d0, userdata=userdata@entry=0x7f41f800d920) at pulse/stream.c:2258 #2 0x00007f4206adc621 in run_action (pd=0x7f41f80017f0, r=0x7f41f800c8a0, command=2, ts=0x7f41f80028d0) at pulsecore/pdispatch.c:288 #3 0x00007f4206adc99b in pa_pdispatch_run (pd=0x7f41f80017f0, packet=packet@entry=0x7f41e40f9800, ancil_data=ancil_data@entry=0x7f41f8000e88, userdata=userdata@entry=0x7f42290b0890) at pulsecore/pdispatch.c:341 #4 0x00007f420c15e36e in pstream_packet_callback (p=<optimized out>, packet=0x7f41e40f9800, ancil_data=0x7f41f8000e88, userdata=0x7f42290b0890) at pulse/context.c:349 #5 0x00007f4206adf5ef in do_read (p=p@entry=0x7f41f8000bf0, re=re@entry=0x7f41f8000db8) at pulsecore/pstream.c:1012 #6 0x00007f4206ae20ab in do_pstream_read_write (p=0x7f41f8000bf0) at pulsecore/pstream.c:248 #7 0x00007f420c1734dd in dispatch_defer (m=0x7f42290b06e0) at pulse/mainloop.c:680 #8 0x00007f420c1734dd in pa_mainloop_dispatch (m=m@entry=0x7f42290b06e0) at pulse/mainloop.c:889 #9 0x00007f420c17370e in pa_mainloop_iterate (m=0x7f42290b06e0, block=<optimized out>, retval=0x0) at pulse/mainloop.c:929 #10 0x00007f420c173790 in pa_mainloop_run (m=0x7f42290b06e0, retval=retval@entry=0x0) at pulse/mainloop.c:944 #11 0x00007f420c1815f9 in thread (userdata=0x7f42290b06a0) at pulse/thread-mainloop.c:100 #12 0x00007f4206af2c58 in internal_thread_func (userdata=0x7f42290b2eb0) at pulsecore/thread-posix.c:81 #13 0x00007f428e5c951a in start_thread (arg=0x7f42056b1700) at pthread_create.c:465 #14 0x00007f428e0fd3ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thanks for following-up! Let me know if there is any additional information I can provide. Cheers, Kevin