Re: [Qemu-devel] Guests are crashing on startup, seem related to usb-audio

2018-12-10 Thread Leonardo Soares Müller
I am testing this QEMU build in two VM guests, one Mageia 7 and other openSUSE Leap. They reach the graphical session, play a sound using aplay and reboot automatically. The screen and audio from the host were captured to check if the sound would work even with the warning. Once, the Mageia 7

Re: [Qemu-devel] Guests are crashing on startup, seem related to usb-audio

2018-12-10 Thread kra...@redhat.com
On Mon, Dec 10, 2018 at 12:11:09PM +, Leonardo Soares Müller wrote: > Hi, I did not save that Mageia 7 data as I was unaware I could do this. > The data below is from another crash with openSUSE Leap, this time I > saved this backtrace with generate-core-file. > On #4 it shows: > $2 = {pid =

Re: [Qemu-devel] Guests are crashing on startup, seem related to usb-audio

2018-12-10 Thread Leonardo Soares Müller
Hi, I did not save that Mageia 7 data as I was unaware I could do this. The data below is from another crash with openSUSE Leap, this time I saved this backtrace with generate-core-file. QEMU command line: env QEMU_AUDIO_ADC_VOICES=0 QEMU_AUDIO_DRV=pa \ QEMU_AUDIO_DAC_FIXED_FREQ=96000 \

Re: [Qemu-devel] Guests are crashing on startup, seem related to usb-audio

2018-12-09 Thread kra...@redhat.com
Hi, > #3 0x701be412 in __GI___assert_fail (assertion=0x55fb8738 > "p->actual_length + bytes <= iov->size", file=0x55fb8456 > "hw/usb/core.c", line=592, function=0x55fb8980 > <__PRETTY_FUNCTION__.26351> "usb_packet_copy") at assert.c:101 > #4 0x55bd5ed7 in

[Qemu-devel] Guests are crashing on startup, seem related to usb-audio

2018-12-09 Thread Leonardo Soares Müller
Linux guests are crashing on startup, this crash happens rarely and, after boot, it is even rarer but happened at least once with an Ubuntu 18.04 guest. The host OS is Xubuntu 18.04, happens with multiple kernel versions, current is 4.20.0-rc5-drm-tip-d63c50f2b014037b43c1c0f108c61e0a31ede3c1+