linux-kernel - [bug?] ALSA sound/core/info.c:852: BUG? (root)

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Message-ID: <20071205200006.GA16083@elte.hu>
Date:	Wed, 5 Dec 2007 21:00:07 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Takashi Iwai <tiwai@...e.de>, Jaroslav Kysela <perex@...e.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: [bug?] ALSA sound/core/info.c:852: BUG? (root)


hi,

is this boot warning anything to worry about:

 [    0.000000] ALSA sound/core/info.c:852: BUG? (root)

x86 64-bit config (randconfig generated) attached. fuller dmesg below. 
(let me know if you need more info)

	Ingo

---------------->
[    0.000000] Calling initcall 0xffffffff80d20eca: gmidi_init+0x0/0x12()
[    0.000000] dummy_udc dummy_udc: binding gadget driver 'g_midi'
[    0.000000] g_midi gadget: MIDI Gadget, version: 25 Jul 2006
[    0.000000] g_midi gadget: using dummy_udc, OUT ep-b IN ep-a
[    0.000000] ALSA sound/core/rawmidi.c:1524: unable to register rawmidi device 0:0
[    0.000000] g_midi gadget: snd_card_register failed
[    0.000000] ALSA sound/core/info.c:852: BUG? (root)
[    0.000000] Pid: 1, comm: swapper Not tainted 2.6.24-rc4-cfs-v24 #126
[    0.000000] 
[    0.000000] Call Trace:
[    0.000000]  [<ffffffff80756574>] snd_info_disconnect+0xad/0xc8
[    0.000000]  [<ffffffff807566d3>] snd_info_card_disconnect+0x7b/0x8c
[    0.000000]  [<ffffffff807557d5>] snd_card_disconnect+0x108/0x113
[    0.000000]  [<ffffffff807557fb>] snd_card_free_prepare+0x1b/0x5a
[    0.000000]  [<ffffffff80755851>] snd_card_free+0x17/0xa7
[    0.000000]  [<ffffffff80755436>] snd_card_register+0x4e/0x2e5
[    0.000000]  [<ffffffff8076ab99>] snd_rawmidi_new+0x192/0x1b8
[    0.000000]  [<ffffffff806feb2a>] gmidi_bind+0x49e/0x4f3
[    0.000000]  [<ffffffff806fde50>] usb_gadget_register_driver+0x1b0/0x280
[    0.000000]  [<ffffffff80d20eda>] gmidi_init+0x10/0x12
[    0.000000]  [<ffffffff80cff58b>] kernel_init+0xd9/0x24c
[    0.000000]  [<ffffffff808fe412>] _spin_unlock_irq+0x26/0x2c
[    0.000000]  [<ffffffff80223595>] finish_task_switch+0x57/0xbd
[    0.000000]  [<ffffffff8020c058>] child_rip+0xa/0x12
[    0.000000]  [<ffffffff80cff4b2>] kernel_init+0x0/0x24c
[    0.000000]  [<ffffffff8020c04e>] child_rip+0x0/0x12
[    0.000000] 
[    0.000000] ALSA sound/core/info.c:852: BUG? (root)
[    0.000000] Pid: 1, comm: swapper Not tainted 2.6.24-rc4-cfs-v24 #126
[    0.000000] 
[    0.000000] Call Trace:
[    0.000000]  [<ffffffff80756574>] snd_info_disconnect+0xad/0xc8
[    0.000000]  [<ffffffff807565bd>] snd_info_free_entry+0x2e/0x5c
[    0.000000]  [<ffffffff80756646>] snd_info_card_free+0x4a/0x5c
[    0.000000]  [<ffffffff80755069>] snd_card_do_free+0xac/0xd8
[    0.000000]  [<ffffffff807558d1>] snd_card_free+0x97/0xa7
[    0.000000]  [<ffffffff80755436>] snd_card_register+0x4e/0x2e5
[    0.000000]  [<ffffffff8076ab99>] snd_rawmidi_new+0x192/0x1b8
[    0.000000]  [<ffffffff806feb2a>] gmidi_bind+0x49e/0x4f3
[    0.000000]  [<ffffffff806fde50>] usb_gadget_register_driver+0x1b0/0x280
[    0.000000]  [<ffffffff80d20eda>] gmidi_init+0x10/0x12
[    0.000000]  [<ffffffff80cff58b>] kernel_init+0xd9/0x24c
[    0.000000]  [<ffffffff808fe412>] _spin_unlock_irq+0x26/0x2c
[    0.000000]  [<ffffffff80223595>] finish_task_switch+0x57/0xbd
[    0.000000]  [<ffffffff8020c058>] child_rip+0xa/0x12
[    0.000000]  [<ffffffff80cff4b2>] kernel_init+0x0/0x24c
[    0.000000]  [<ffffffff8020c04e>] child_rip+0x0/0x12
[    0.000000] 
[    0.000000] g_midi gadget: unbind
[    0.000000] initcall 0xffffffff80d20eca: gmidi_init+0x0/0x12() returned -19.
[    0.000000] initcall 0xffffffff80d20eca ran for 46 msecs: gmidi_init+0x0/0x12()
[    0.000000] Calling initcall 0xffffffff80d20f74: i8042_init+0x0/0xb7()
[    0.000000] bus platform: add driver i8042
[    0.000000] Registering platform device 'i8042'. Parent at platform

View attachment "config" of type "text/plain" (45829 bytes)