At Wed, 5 Dec 2007 21:00:07 +0100, Ingo Molnar wrote: > > > 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)
This should be harmless, but I feel a bit uneasy with it. Could you check whether snd_proc_root is NULL or entry->parent->p is NULL in snd_info_disconnect()? thanks, Takashi > > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/