Hi,
I do not have your answer. But I just bought an Audio Kontrol1 few weeks
ago, and I got similar issues, when I run puredata. and well I thinks this
is a midi related problem. But I actually don't know if this is a kernel,
Jack, alsa or others softwares issue.
I will make more tests in the next days and will tell you.
But, if any other people have any experience about this sound Card, I would
be happy to read about It.
Cheers,
Mysth-R
2009/1/4 Marco Santamaria <marco.santamaria@email-addr-hidden>
> Hi,
>
> it's about one year that I'm using my Native Instruments Audio Kontrol 1
> (USB2 audio/MIDI interface) only with audio applications and it has been
> working well so far.
> Now I'm trying to use it with Rosegarden (MIDI) and, as soon as I start
> Rosegarden, JACK crashes, the process jackd becomes "uninterruptible" and
> with the command dmesg I find the following new lines
>
> [ 1935.173876] BUG: unable to handle kernel NULL pointer dereference at
> virtual address 00000044
> [ 1935.173885] printing eip: f8a5f6fd *pde = 00000000
> [ 1935.173891] Oops: 0000 [#1] PREEMPT SMP
> [ 1935.173896] Modules linked in: isofs udf ipv6 af_packet i915 drm rfcomm
> l2cap bluetooth ppdev acpi_cpufreq cpufreq_ondemand cpufreq_conservative
> cpufreq_stats freq_table cpufreq_userspace cpufreq_powersave dock container
> sbs sbshc iptable_filter ip_tables x_tables sbp2 parport_pc lp parport
> snd_hda_intel snd_usb_caiaq snd_hwdep snd_pcm_oss snd_mixer_oss arc4
> snd_seq_oss snd_pcm ecb blkcipher snd_seq_midi snd_page_alloc joydev
> snd_rawmidi snd_seq_midi_event snd_seq iwl3945 sdhci serio_raw mmc_core
> iwlwifi_mac80211 video output cfg80211 battery led_class ac snd_timer
> snd_seq_device wmi_acer button snd evdev dcdbas iTCO_wdt iTCO_vendor_support
> intel_agp shpchp pci_hotplug pcspkr soundcore agpgart psmouse ext3 jbd
> mbcache sg sr_mod cdrom sd_mod b44 ata_generic ssb mii ohci1394 ieee1394
> ata_piix pata_acpi libata scsi_mod ehci_hcd uhci_hcd usbcore thermal
> processor fan fuse
> [ 1935.173964]
> [ 1935.173967] Pid: 1421, comm: IRQ-18 Not tainted (2.6.24-19-rt #1)
> [ 1935.173970] EIP: 0060:[<f8a5f6fd>] EFLAGS: 00010292 CPU: 1
> [ 1935.173979] EIP is at snd_rawmidi_transmit_peek+0x1d/0x100 [snd_rawmidi]
> [ 1935.173982] EAX: 00000000 EBX: f7106264 ECX: 0000003d EDX: f7106407
> [ 1935.173985] ESI: ffffffea EDI: 00000000 EBP: f7106407 ESP: df85be38
> [ 1935.173988] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> preempt:00000001
> [ 1935.173991] Process IRQ-18 (pid: 1421, ti=df85a000 task=f7d45320
> task.ti=df85a000)
> [ 1935.173993] Stack: 0000003d 00000000 f7106264 00000000 00000000 df83fc00
> f8b8cc09 00000000
> [ 1935.174000] f7106264 f710630c 00000000 df83fc00 df83fc00 f710630c
> f888c888 00000008
> [ 1935.174007] df83fd08 00000000 f710630c f8870770 f728a0c0 f728a0c0
> ffffff8d f721e180
> [ 1935.174014] Call Trace:
> [ 1935.174021] [<f8b8cc09>] snd_usb_caiaq_midi_send+0x29/0x80
> [snd_usb_caiaq]
> [ 1935.174034] [<f888c888>] usb_hcd_giveback_urb+0x48/0xc0 [usbcore]
> [ 1935.174064] [<f8870770>] ehci_urb_done+0x70/0xb0 [ehci_hcd]
> [ 1935.174075] [<f887153f>] qh_completions+0x24f/0x430 [ehci_hcd]
> [ 1935.174087] [<f8870770>] ehci_urb_done+0x70/0xb0 [ehci_hcd]
> [ 1935.174096] [<f887293e>] ehci_work+0x51e/0x810 [ehci_hcd]
> [ 1935.174103] [<c010b1e3>] sched_clock+0x13/0x40
> [ 1935.174116] [<c0129199>] dequeue_task_rt+0xb9/0x1c0
> [ 1935.174129] [<f8875498>] ehci_irq+0x158/0x1c0 [ehci_hcd]
> [ 1935.174142] [<f888cb7b>] usb_hcd_irq+0x2b/0x60 [usbcore]
> [ 1935.174166] [<c016a9cc>] handle_IRQ_event+0x5c/0x100
> [ 1935.174178] [<c016b00a>] thread_simple_irq+0x4a/0x90
> [ 1935.174185] [<c016b959>] do_irqd+0x229/0x290
> [ 1935.174194] [<c016b730>] do_irqd+0x0/0x290
> [ 1935.174199] [<c0141fc2>] kthread+0x42/0x70
> [ 1935.174203] [<c0141f80>] kthread+0x0/0x70
> [ 1935.174209] [<c0105857>] kernel_thread_helper+0x7/0x10
> [ 1935.174217] =======================
> [ 1935.174219] Code: 24 10 83 c4 14 c3 bf ea ff ff ff eb e3 90 83 ec 18 89
> 74 24 0c be ea ff ff ff 89 6c 24 14 89 d5 89 5c 24 08 89 7c 24 10 89 0c 24
> <8b> 58 44 8b 7b 04 85 ff 0f 84 8e 00 00 00 8d 43 20 31 f6 89 44
> [ 1935.174256] EIP: [<f8a5f6fd>] snd_rawmidi_transmit_peek+0x1d/0x100
> [snd_rawmidi] SS:ESP 0068:df85be38
> [ 1935.174265] ---[ end trace 9090d02b798b5496 ]---
>
> I already asked to the Rosegarden and JACK people, but they couldn't help
> me: it seems to be a driver related problem, as I can happily use
> Rosegarden if I run JACK with the internal Intel sound card.
>
> The program versions I'm using are: jackd 0.116.1, rosegarden 1.7.2.
>
> Here's some other outputs:
>
> $ uname -a
> Linux din6400 2.6.24-19-rt #1 SMP PREEMPT RT Thu Aug 21 02:08:03 UTC 2008
> i686 GNU/Linux
>
> $ cat /proc/asound/version
> Advanced Linux Sound Architecture Driver Version 1.0.17.
> Compiled on Jan 3 2009 for kernel 2.6.24-19-rt (SMP).
>
> $ grep VERSION_STR /usr/include/alsa/version.h
> #define SND_LIB_VERSION_STR "1.0.17a"
>
> $ aplay -l
> **** Lista di PLAYBACK dispositivi hardware ****
> scheda 0: Intel [HDA Intel], dispositivo 0: STAC92xx Analog [STAC92xx
> Analog]
> Sottoperiferiche: 1/1
> Sottoperiferica #0: subdevice #0
> scheda 0: Intel [HDA Intel], dispositivo 1: STAC92xx Digital [STAC92xx
> Digital]
> Sottoperiferiche: 1/1
> Sottoperiferica #0: subdevice #0
> scheda 1: A1 [Audio Kontrol 1], dispositivo 0: Audio Kontrol 1 [Audio
> Kontrol 1]
> Sottoperiferiche: 1/2
> Sottoperiferica #0: subdevice #0
> Sottoperiferica #1: subdevice #1
>
> $ cat /proc/interrupts
> CPU0 CPU1
> 0: 5438968 0 IO-APIC-edge timer
> 1: 5123 0 IO-APIC-edge i8042
> 8: 7 0 IO-APIC-edge rtc
> 9: 2 0 IO-APIC-fasteoi acpi
> 12: 570309 0 IO-APIC-edge i8042
> 14: 16584 0 IO-APIC-edge libata
> 15: 7712 0 IO-APIC-edge libata
> 16: 312032 0 IO-APIC-fasteoi i915@email-addr-hidden:0000:00:02.0
> 17: 2 0 IO-APIC-fasteoi ohci1394
> 18: 269358 0 IO-APIC-fasteoi uhci_hcd:usb1, ehci_hcd:usb5
> 19: 3999 0 IO-APIC-fasteoi uhci_hcd:usb2, HDA Intel
> 20: 0 0 IO-APIC-fasteoi uhci_hcd:usb3
> 21: 0 0 IO-APIC-fasteoi uhci_hcd:usb4
> 22: 7638 0 IO-APIC-fasteoi eth0
> 23: 0 0 IO-APIC-fasteoi sdhci:slot0
> 221: 31667 0 PCI-MSI-edge iwl3945
> NMI: 0 0 Non-maskable interrupts
> LOC: 266694 2894868 Local timer interrupts
> RES: 1091345 1871342 Rescheduling interrupts
> CAL: 12287 11042 function call interrupts
> TLB: 1395 1581 TLB shootdowns
> TRM: 0 0 Thermal event interrupts
> SPU: 0 0 Spurious interrupts
> ERR: 0
> MIS: 0
>
> I do not include the jackd and rosegarden outputs becouse they are quite
> long, but, if you think they are useful to understand what is going on, I
> can send them too.
>
> Any ideas?
>
> Thank you
>
> Marco
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user@email-addr-hidden
> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>
>
--
*
***************************************************************************************
* {^_^} Mysth-R {^_^}
* <= Aide Auditive =>
*
* http://myspace.com/mysthr
* http://myspace.com/aideauditive
* http://mysthr.free.fr/Joomla => Site dédié à l'audio sous
Fedora/PlanetCCRMA.
*
***************************************************************************************
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Received on Mon Jan 5 12:15:02 2009
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