From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:48862) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1guETa-00081r-NZ for qemu-devel@nongnu.org; Thu, 14 Feb 2019 05:42:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1guETW-0007EW-HC for qemu-devel@nongnu.org; Thu, 14 Feb 2019 05:42:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46110) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1guETV-0007AF-Ui for qemu-devel@nongnu.org; Thu, 14 Feb 2019 05:42:38 -0500 Date: Thu, 14 Feb 2019 10:42:26 +0000 From: "Dr. David Alan Gilbert" Message-ID: <20190214104225.GB2617@work-vm> References: <20190128121331.GB2939@work-vm> <20190128173536.GE2585@work-vm> <20190201133639.GE3150@work-vm> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] Crash when booting KDE Neon using qxl-vga List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Leonardo Soares =?iso-8859-1?Q?M=FCller?= Cc: "kraxel@redhat.com" , "qemu-devel@nongnu.org" * Leonardo Soares M=FCller (leozinho29_eu@hotmail.com) wrote: > I can confirm this, KDE Neon using the command line similar to yours > crashes QEMU to me too. I will test with Mageia 7 later to see if it > behaves differently. >=20 > But this is a completely different crash. This crash is happening > earlier, what I reported first is a crash when the login screen should > load, this is happening earlier on boot. >=20 > The command line I used this time: >=20 > qemu-system-x86_64 -M pc,accel=3Dkvm -smp 3 -m 4G -drive > if=3Dvirtio,file=3Dneonbroken.qcow2 -vga qxl -bios /usr/share/ovmf/OVMF= .fd Yes, this was: https://bugs.launchpad.net/qemu/+bug/1813940 Dave > The backtrace: >=20 > (gdb) bt > #0 0x00007ffff0371e97 in __GI_raise (sig=3Dsig@entry=3D6) at > ../sysdeps/unix/sysv/linux/raise.c:51 > #1 0x00007ffff0373801 in __GI_abort () at abort.c:79 > #2 0x000055555589eac9 in kvm_mem_ioeventfd_add > (listener=3D0x555556a1fdc8, section=3D0x7fffc7ffba90, match_data=3Dfals= e, > data=3D0, e=3D0x5555578c7fc8) at > /home/usuario/Documentos/qemu/accel/kvm/kvm-all.c:866 > #3 0x000055555588300a in address_space_add_del_ioeventfds > (as=3D0x5555567e5a00 , fds_new=3D0x7fffbc000d30, > fds_new_nb=3D1, fds_old=3D0x0, fds_old_nb=3D0) at > /home/usuario/Documentos/qemu/memory.c:793 > #4 0x00005555558832f4 in address_space_update_ioeventfds > (as=3D0x5555567e5a00 ) at > /home/usuario/Documentos/qemu/memory.c:843 > #5 0x000055555588415b in memory_region_transaction_commit () at > /home/usuario/Documentos/qemu/memory.c:1094 > #6 0x00005555558871c8 in memory_region_add_eventfd (mr=3D0x5555578b642= 0, > addr=3D0, size=3D0, match_data=3Dfalse, data=3D0, e=3D0x5555578c7fc8) a= t > /home/usuario/Documentos/qemu/memory.c:2303 > #7 0x0000555555c26cd0 in virtio_pci_ioeventfd_assign (d=3D0x5555578b57= 50, > notifier=3D0x5555578c7fc8, n=3D0, assign=3Dtrue) at hw/virtio/virtio-pc= i.c:243 > #8 0x0000555555c24dd5 in virtio_bus_set_host_notifier > (bus=3D0x5555578bd848, n=3D0, assign=3Dtrue) at hw/virtio/virtio-bus.c:= 283 > #9 0x00005555558ce648 in virtio_blk_data_plane_start > (vdev=3D0x5555578bd8c0) at > /home/usuario/Documentos/qemu/hw/block/dataplane/virtio-blk.c:200 > #10 0x0000555555c24af2 in virtio_bus_start_ioeventfd > (bus=3D0x5555578bd848) at hw/virtio/virtio-bus.c:223 > #11 0x0000555555c26e57 in virtio_pci_start_ioeventfd > (proxy=3D0x5555578b5750) at hw/virtio/virtio-pci.c:282 > #12 0x0000555555c29285 in virtio_pci_common_write > (opaque=3D0x5555578b5750, addr=3D20, val=3D15, size=3D1) at > hw/virtio/virtio-pci.c:1233 > #13 0x0000555555881ebd in memory_region_write_accessor > (mr=3D0x5555578b6120, addr=3D20, value=3D0x7fffc7ffbf38, size=3D1, shif= t=3D0, > mask=3D255, attrs=3D...) at /home/usuario/Documentos/qemu/memory.c:502 > #14 0x00005555558820cd in access_with_adjusted_size (addr=3D20, > value=3D0x7fffc7ffbf38, size=3D1, access_size_min=3D1, access_size_max=3D= 4, > access_fn=3D0x555555881dd4 , > mr=3D0x5555578b6120, attrs=3D...) at /home/usuario/Documentos/qemu/memo= ry.c:568 > #15 0x0000555555885100 in memory_region_dispatch_write > (mr=3D0x5555578b6120, addr=3D20, data=3D15, size=3D1, attrs=3D...) at > /home/usuario/Documentos/qemu/memory.c:1499 > #16 0x000055555581bca9 in flatview_write_continue (fv=3D0x7fffcc50f4f0, > addr=3D34359738388, attrs=3D..., buf=3D0x7ffff7fee028 "\017", len=3D1, = addr1=3D20, > l=3D1, mr=3D0x5555578b6120) at /home/usuario/Documentos/qemu/exec.c:323= 4 > #17 0x000055555581bdf3 in flatview_write (fv=3D0x7fffcc50f4f0, > addr=3D34359738388, attrs=3D..., buf=3D0x7ffff7fee028 "\017", len=3D1) = at > /home/usuario/Documentos/qemu/exec.c:3273 > #18 0x000055555581c0f9 in address_space_write (as=3D0x5555567e5a00 > , addr=3D34359738388, attrs=3D..., buf=3D0x7ffff7= fee028 > "\017", len=3D1) at /home/usuario/Documentos/qemu/exec.c:3363 > #19 0x000055555581c14a in address_space_rw (as=3D0x5555567e5a00 > , addr=3D34359738388, attrs=3D..., buf=3D0x7ffff7= fee028 > "\017", len=3D1, is_write=3Dtrue) at /home/usuario/Documentos/qemu/exec= .c:3374 > #20 0x00005555558a146f in kvm_cpu_exec (cpu=3D0x555556afe140) at > /home/usuario/Documentos/qemu/accel/kvm/kvm-all.c:2031 > #21 0x0000555555865a3e in qemu_kvm_cpu_thread_fn (arg=3D0x555556afe140)= at > /home/usuario/Documentos/qemu/cpus.c:1281 > #22 0x0000555555e1ba02 in qemu_thread_start (args=3D0x555556b20440) at > util/qemu-thread-posix.c:502 > #23 0x00007ffff072b6db in start_thread (arg=3D0x7fffc7fff700) at > pthread_create.c:463 > #24 0x00007ffff045488f in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 >=20 >=20 > =C0s 11:36 de 01/02/2019, Dr. David Alan Gilbert escreveu: > >=20 > > Hmm, I'm also getting a crash, but I think it's very different from > > yours: > >=20 > > ./x86_64-softmmu/qemu-system-x86_64 -M pc,accel=3Dkvm -smp 3 -m 8G -c= drom /home/vmimages/neon-useredition-current.iso -drive if=3Dvirtio,file=3D= /home/vmimages/kde-neon.qcow2 -vga qxl > >=20 > > kvm_mem_ioeventfd_add: error adding ioeventfd: No space left on devic= e > > Aborted (core dumped) > > -- > > Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK > >=20 -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK