control: reassign -1 linux-source-3.16 * A.W. <frozen...@gmail.com> [2015-04-03 01:06 +0200]:
> Package: alsa-utils > Version: 1.0.28-1 > Severity: critical > Justification: breaks unrelated software > > Dear Maintainer, > > I might have found an issue with USB-MIDI devices > > * What led up to the situation? > using pygame.midi to spit out note_on's to an Akai APC mini > (in an endless loop, without sleep()s, to test/fuzz it) > > > * What was the outcome of this action? > General protection fault in dmesg > lsusb hangs... > > * What outcome did you expect instead? > Flicker of a led / Akai device hangs? > > Apparently the USB-Midi device froze and the system did not handle that > gracefuly? > > Linux xxx 3.16-3-amd64 #1 SMP Debian 3.16.5-1 (2014-10-10) x86_64 GNU/Linux > > dmesg: > [718511.056117] usb 3-1: new full-speed USB device number 10 using uhci_hcd > [718511.225616] usb 3-1: New USB device found, idVendor=09e8, idProduct=0028 > [718511.225627] usb 3-1: New USB device strings: Mfr=1, Product=2, > SerialNumber=3 > [718511.225634] usb 3-1: Product: APC MINI > [718511.225639] usb 3-1: Manufacturer: AKAI PROFESSIONAL,LP > [718511.225645] usb 3-1: SerialNumber: Ver00.10 > [718859.797956] ALSA: seq_midi: MIDI output buffer overrun > [718859.797967] ALSA: seq_midi: MIDI output buffer overrun > [718859.797974] ALSA: seq_midi: MIDI output buffer overrun > [718859.797982] ALSA: seq_midi: MIDI output buffer overrun > [718859.797988] ALSA: seq_midi: MIDI output buffer overrun > [718859.797996] ALSA: seq_midi: MIDI output buffer overrun > [718859.798003] ALSA: seq_midi: MIDI output buffer overrun > [718859.798011] ALSA: seq_midi: MIDI output buffer overrun > [718859.798018] ALSA: seq_midi: MIDI output buffer overrun > [718860.884089] usb 3-1: USB disconnect, device number 10 > [718865.996043] ALSA: seq_lock: timeout [1 left] in /build/linux- > i5neKT/linux-3.16.5/sound/core/seq/seq_ports.c:264 > [718870.884114] snd-usb-audio 3-1:1.0: rawmidi drain error (avail = 32, > buffer_size = 4096) > [718870.884189] general protection fault: 0000 [#1] SMP > [718870.884278] Modules linked in: snd_hrtimer snd_seq_midi snd_seq_midi_event > snd_seq_dummy snd_seq mxl5005s ec100 $ > [718870.885584] ehci_hcd cfg80211 e1000e snd_hda_codec usbcore snd_hwdep > snd_pcm drm_kms_helper usb_common thinkpad$ > [718870.886488] CPU: 1 PID: 327 Comm: khubd Tainted: G W O > 3.16-3-amd64 #1 Debian 3.16.5-1 > [718870.886597] Hardware name: LENOVO / , BIOS 7WET71WW (3.21 ) > 11/29/2012 > [718870.886693] task: ffff880232b342d0 ti: ffff880231990000 task.ti: > ffff880231990000 > [718870.886786] RIP: 0010:[<ffffffffa0b246a7>] [<ffffffffa0b246a7>] > clear_subscriber_list+0x1d7/0x230 [snd_seq] > [718870.886922] RSP: 0018:ffff880231993950 EFLAGS: 00010246 > [718870.886988] RAX: dead000000100100 RBX: ffff88010b86ea00 RCX: > dead000000100100 > [718870.887078] RDX: dead000000200200 RSI: 0000000000000246 RDI: > ffff88010b86ea80 > [718870.887166] RBP: ffff88011a577240 R08: 0000000000000000 R09: > 6475612d6273752d > [718870.887254] R10: 00000000000040f0 R11: 313a312d33206f69 R12: > ffff880231b47ac0 > [718870.887342] R13: ffff88010b86ea68 R14: ffff88010b86ea80 R15: > ffff88011a5772a0 > [718870.887432] FS: 0000000000000000(0000) GS:ffff88023bc80000(0000) > knlGS:0000000000000000 > [718870.887530] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [718870.887605] CR2: 00007f0e54390000 CR3: 0000000001813000 CR4: > 00000000000407e0 > [718870.887693] Stack: > [718870.887721] ffff880012f3ec00 ffff880231b47a00 ffff880231b47ac0 > 0000000131993986 > [718870.887834] ffff880231b47b10 ffff880231b47ad0 ffff88007b27b700 > ffff880231b47a00 > [718870.887945] ffff880012f3ec00 ffff880231993ac8 ffffffffffffffff > ffff88011ab6d000 > [718870.888057] Call Trace: > [718870.888078] [<ffffffffa0b24751>] ? port_delete+0x51/0x80 [snd_seq] > [718870.888078] [<ffffffffa0b1e103>] ? snd_seq_ioctl_delete_port+0x53/0xa0 > [snd_seq] > [718870.888078] [<ffffffffa0b1ead2>] ? snd_seq_kernel_client_ctl+0x42/0x60 > [snd_seq] > [718870.888078] [<ffffffffa0b24216>] ? snd_seq_event_port_detach+0x46/0x70 > [snd_seq] > [718870.888078] [<ffffffffa0b3101d>] ? snd_seq_midisynth_delete+0x1d/0x40 > [snd_seq_midi] > [718870.888078] [<ffffffffa0b310c4>] ? > snd_seq_midisynth_unregister_port+0x84/0x100 [snd_seq_midi] > [718870.888078] [<ffffffffa08262b3>] ? free_device+0x43/0xb0 [snd_seq_device] > [718870.888078] [<ffffffffa0826759>] ? > snd_seq_device_dev_disconnect+0x29/0x50 > [snd_seq_device] > [718870.888078] [<ffffffffa024ca58>] ? > __snd_device_disconnect.part.1+0x18/0x50 [snd] > [718870.888078] [<ffffffffa024cd2f>] ? snd_device_disconnect_all+0x3f/0x60 > [snd] > [718870.888078] [<ffffffffa0246973>] ? snd_card_disconnect+0x153/0x1d0 [snd] > [718870.888078] [<ffffffffa082b508>] ? usb_audio_disconnect+0x78/0x1a0 > [snd_usb_audio] > [718870.888078] [<ffffffffa033976c>] ? usb_unbind_interface+0x6c/0x2b0 > [usbcore] > [718870.888078] [<ffffffff8139ea7a>] ? __device_release_driver+0x7a/0xf0 > [718870.888078] [<ffffffff8139eb0e>] ? device_release_driver+0x1e/0x30 > [718870.888078] [<ffffffff8139e413>] ? bus_remove_device+0x103/0x180 > [718870.888078] [<ffffffff8139aeb6>] ? device_del+0x116/0x1b0 > [718870.888078] [<ffffffffa03371d0>] ? usb_disable_device+0xa0/0x280 > [usbcore] > [718870.927232] [<ffffffffa032cdf1>] ? usb_disconnect+0x91/0x280 [usbcore] > [718870.927232] [<ffffffffa032f36c>] ? hub_thread+0xaac/0x1730 [usbcore] > [718870.927232] [<ffffffff8109d3c0>] ? check_preempt_wakeup+0x120/0x1d0 > [718870.927232] [<ffffffff810a5800>] ? prepare_to_wait_event+0xf0/0xf0 > [718870.927232] [<ffffffffa032e8c0>] ? hub_port_debounce+0x130/0x130 > [usbcore] > [718870.927232] [<ffffffff81085ddd>] ? kthread+0xbd/0xe0 > [718870.927232] [<ffffffff81085d20>] ? kthread_create_on_node+0x180/0x180 > [718870.927232] [<ffffffff8150c6fc>] ? ret_from_fork+0x7c/0xb0 > [718870.927232] [<ffffffff81085d20>] ? kthread_create_on_node+0x180/0x180 > [718870.927232] [<ffffffff8150c6fc>] ? ret_from_fork+0x7c/0xb0 > [718870.927232] [<ffffffff81085d20>] ? kthread_create_on_node+0x180/0x180 > [718870.927232] Code: ff 48 85 db 74 46 4c 8d b3 80 00 00 00 4c 8d 6b 68 4c 89 > f7 e8 6b 6a 9e e0 49 8b 4f f0 49 8b 5$ > [718870.927232] RIP [<ffffffffa0b246a7>] clear_subscriber_list+0x1d7/0x230 > [snd_seq] > [718870.927232] RSP <ffff880231993950> > [718870.993281] ---[ end trace 1c27bf870f3c2c8c ]--- > [718871.188057] ALSA: seq_lock: timeout [1 left] in /build/linux- > i5neKT/linux-3.16.5/sound/core/seq/seq_clientmgr.c:$ > > > > > > > -- System Information: > Debian Release: 8.0 > APT prefers unstable > APT policy: (500, 'unstable') > Architecture: amd64 (x86_64) > Foreign Architectures: i386, armel, mips > > Kernel: Linux 3.16-3-amd64 (SMP w/2 CPU cores) > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > Versions of packages alsa-utils depends on: > ii kmod 20-1 > ii libasound2 1.0.28-1 > ii libc6 2.19-17 > ii libncursesw5 5.9+20140913-1+b1 > ii libsamplerate0 0.1.8-8 > ii libtinfo5 5.9+20140913-1+b1 > ii lsb-base 4.1+Debian13+nmu1 > ii whiptail 0.52.17-1+b1 > > alsa-utils recommends no packages. > > alsa-utils suggests no packages. > > -- no debconf information > > _______________________________________________ > Pkg-alsa-devel mailing list > pkg-alsa-de...@lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-alsa-devel > -- "Talking much about oneself can also be a means to conceal oneself." -Friedrich Nietzsche -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". 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