[alsa-devel] A plea for help on mixer support for Fast Track Ultra (8R)

[Felix Homann]

Sorry, here are the first lines:

[ 4104.510080] usb 1-3: new high speed USB device using ehci_hcd and 
address 2
[ 4104.661745] usb 1-3: config 1 interface 3 altsetting 0 bulk endpoint 
0x7 has invalid maxpacket 8
[ 4104.661750] usb 1-3: config 1 interface 3 altsetting 0 bulk endpoint 
0x87 has invalid maxpacket 8
[ 4104.824137] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000020
[ 4104.824147] IP: [<ffffffffa04b0119>] 
snd_usb_mixer_controls+0x49/0x1a0 [snd_usb_audio]
[ 4104.824170] PGD 652ba067 PUD 652d7067 PMD 0
[ 4104.824176] Oops: 0000 [#1] SMP
[ 4104.824179] last sysfs file: /sys/module/snd_pcm/initstate
[ 4104.824183] CPU 0


Am 20.05.2011 12:12, schrieb Felix Homann:
> Am 19.05.2011 16:12, schrieb Daniel Mack:
>> Ah, fail. Ok, try this one.
>>
>> Daniel
>>
>
> Hmm, this one crashes:
>
>    4104.824184] Modules linked in: snd_usb_audio(+) snd_usbmidi_lib
> snd_hrtimer binfmt_misc parport_pc ppdev dm_crypt vesafb
> snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec
> snd_seq_midi snd_hwdep snd_rawmidi snd_pcm snd_seq_midi_event snd_seq
> snd_timer snd_seq_device fglrx(P) dcdbas snd psmouse soundcore serio_raw
> snd_page_alloc lp parport usbhid hid usb_storage firewire_ohci uas
> firewire_core crc_itu_t e1000e
> [ 4104.824220]
> [ 4104.824223] Pid: 3406, comm: modprobe Tainted: P
> 2.6.38-8-generic #42-Ubuntu Dell Inc.                 Dell
> DM061                   /0WG864
> [ 4104.824231] RIP: 0010:[<ffffffffa04b0119>]  [<ffffffffa04b0119>]
> snd_usb_mixer_controls+0x49/0x1a0 [snd_usb_audio]
> [ 4104.824241] RSP: 0018:ffff88005eb3fb38  EFLAGS: 00010246
> [ 4104.824243] RAX: 00000000041e3000 RBX: 0000000000000000 RCX:
> 0000000000000000
> [ 4104.824246] RDX: ffff88008fcdbc28 RSI: 0000000000000000 RDI:
> ffff88005eb3fba0
> [ 4104.824249] RBP: ffff88005eb3fbc8 R08: 0000000000000005 R09:
> ffff88008315b028
> [ 4104.824251] R10: ffff88009b39acc8 R11: 0000000000016e50 R12:
> ffff88005eb3fb38
> [ 4104.824254] R13: ffff8800922449e8 R14: 0000000000000000 R15:
> 0000000000000000
> [ 4104.824258] FS:  00007f5c64217720(0000) GS:ffff8800bfc00000(0000)
> knlGS:0000000000000000
> [ 4104.824261] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 4104.824263] CR2: 0000000000000020 CR3: 00000000652b5000 CR4:
> 00000000000006f0
> [ 4104.824266] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [ 4104.824269] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [ 4104.824272] Process modprobe (pid: 3406, threadinfo ffff88005eb3e000,
> task ffff88005d1116e0)
> [ 4104.824274] Stack:
> [ 4104.824276]  ffff88008fcdbc28 ffff8800922449e8 0000000000000000
> 0000000000000000
> [ 4104.824281]  0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [ 4104.824286]  0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [ 4104.824291] Call Trace:
> [ 4104.824303]  [<ffffffffa03dd1b7>] ? snd_hidden_kzalloc+0x37/0x50 [snd]
> [ 4104.824312]  [<ffffffffa04b065a>] snd_usb_create_mixer+0xba/0x2a0
> [snd_usb_audio]
> [ 4104.824318]  [<ffffffffa03dd1b7>] ? snd_hidden_kzalloc+0x37/0x50 [snd]
> [ 4104.824327]  [<ffffffffa04b1dce>]
> create_standard_mixer_quirk+0x1e/0x20 [snd_usb_audio]
> [ 4104.824335]  [<ffffffffa04b228d>] snd_usb_create_quirk+0x1d/0x50
> [snd_usb_audio]
> [ 4104.824344]  [<ffffffffa04b233e>] create_composite_quirk+0x7e/0xd0
> [snd_usb_audio]
> [ 4104.824353]  [<ffffffffa04b228d>] snd_usb_create_quirk+0x1d/0x50
> [snd_usb_audio]
> [ 4104.824360]  [<ffffffffa04ac686>] usb_audio_probe+0x146/0x8d0
> [snd_usb_audio]
> [ 4104.824368]  [<ffffffff8143e439>] usb_probe_interface+0x109/0x200
> [ 4104.824373]  [<ffffffff813ba858>] really_probe+0x68/0x190
> [ 4104.824377]  [<ffffffff813bab65>] driver_probe_device+0x45/0x70
> [ 4104.824381]  [<ffffffff813bac3b>] __driver_attach+0xab/0xb0
> [ 4104.824385]  [<ffffffff813bab90>] ? __driver_attach+0x0/0xb0
> [ 4104.824389]  [<ffffffff813b99de>] bus_for_each_dev+0x5e/0x90
> [ 4104.824393]  [<ffffffff813ba6ae>] driver_attach+0x1e/0x20
> [ 4104.824396]  [<ffffffff813ba215>] bus_add_driver+0xc5/0x280
> [ 4104.824400]  [<ffffffff813baed6>] driver_register+0x76/0x140
> [ 4104.824405]  [<ffffffff815c6e2d>] ? notifier_call_chain+0x4d/0x70
> [ 4104.824409]  [<ffffffff8143d008>] usb_register_driver+0xb8/0x170
> [ 4104.824417]  [<ffffffffa04cc000>] ? snd_usb_audio_init+0x0/0x1000
> [snd_usb_audio]
> [ 4104.824424]  [<ffffffffa04cc040>] snd_usb_audio_init+0x40/0x1000
> [snd_usb_audio]
> [ 4104.824429]  [<ffffffff81002175>] do_one_initcall+0x45/0x190
> [ 4104.824435]  [<ffffffff810a4feb>] sys_init_module+0xfb/0x250
> [ 4104.824439]  [<ffffffff8100c002>] system_call_fastpath+0x16/0x1b
> [ 4104.824442] Code: 4c 8d a5 70 ff ff ff 49 89 fd 4c 89 e7 48 8b 9a a0
> 00 00 00 f3 48 ab 48 89 95 70 ff ff ff 4c 89 ad 78 ff ff ff 8b 05 07 0c
> 01 00<48>  8b 7b 20 8b 73 28 85 c0 48 89 7d 80 89 75 88 74 27 8b 4a 20
> [ 4104.824482] RIP  [<ffffffffa04b0119>]
> snd_usb_mixer_controls+0x49/0x1a0 [snd_usb_audio]
> [ 4104.824491]  RSP<ffff88005eb3fb38>
> [ 4104.824493] CR2: 0000000000000020
> [ 4104.824497] ---[ end trace b721d79c7e9b68a1 ]---
>
>
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