linux-kernel - WARNING: at sound/core/sound_oss.c:96 snd_oss_kernel

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Message-ID: <520f0cf11001060853i5c296744rf94c947cb7798774@mail.gmail.com>
Date:	Wed, 6 Jan 2010 17:53:24 +0100
From:	John Kacur <jkacur@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org
Subject: WARNING: at sound/core/sound_oss.c:96 snd_oss_kernel_minor+0xdf/0x120 
	[snd]()

The following was in my 2.6.33-rc3 dmesg (of course that doesn't mean
that the problem didn't exist earlier too)

WARNING: at /home/jkacur/rt.linux.git/sound/core/sound_oss.c:96
snd_oss_kernel_minor+0xdf/0x120 [snd]()
Hardware name: 2241B48
BUG? (minor < 0 || minor >= 128)
Modules linked in: snd_mixer_oss thinkpad_acpi(+) sdhci hwmon i2c_i801
firewire_ohci snd_pcm mmc_core snd_timer cfg80211 firewire_core btusb
joydev iTCO_wdt bluetooth ata_generic e1000e i2c_core ppdev snd
battery ac iTCO_vendor_support parport_pc ricoh_mmc intel_agp
pata_acpi pcspkr parport tpm_tis video wmi output soundcore button tpm
rfkill sr_mod tpm_bios snd_page_alloc crc_itu_t cdrom sg ahci libata
sd_mod scsi_mod crc_t10dif xfs exportfs uhci_hcd ohci_hcd ehci_hcd
[last unloaded: scsi_wait_scan]
Pid: 1317, comm: modprobe Not tainted 2.6.33-rc3 #1
Call Trace:
 [<ffffffffa027bb25>] ? snd_oss_kernel_minor+0xdf/0x120 [snd]
 [<ffffffff8104338c>] warn_slowpath_common+0x7c/0xa9
 [<ffffffff81043410>] warn_slowpath_fmt+0x41/0x43
 [<ffffffffa027bb25>] snd_oss_kernel_minor+0xdf/0x120 [snd]
 [<ffffffffa027bc7e>] snd_register_oss_device+0x2c/0x21a [snd]
 [<ffffffffa0271e1e>] snd_mixer_oss_notify_handler+0xa5/0x2e5 [snd_mixer_oss]
 [<ffffffff81375e00>] ? __mutex_unlock_slowpath+0x5c/0x141
 [<ffffffff810710d5>] ? trace_hardirqs_on_caller+0x11f/0x14a
 [<ffffffff8107110d>] ? trace_hardirqs_on+0xd/0xf
sdhci-pci 0000:15:00.2: SDHCI controller found [1180:0822] (rev 21)
sdhci-pci 0000:15:00.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18
 [<ffffffff81375ed3>] ? __mutex_unlock_slowpath+0x12f/0x141
sdhci-pci 0000:15:00.2: Will use DMA mode even though HW doesn't fully
claim to support it.
Registered led device: mmc0::
mmc0: SDHCI controller on PCI [0000:15:00.2] using DMA
 [<ffffffffa027628a>] snd_card_register+0x135/0x14b [snd]
 [<ffffffffa0370c88>] volume_init+0x335/0x3d2 [thinkpad_acpi]
 [<ffffffffa037289b>] thinkpad_acpi_module_init+0x61f/0xa4f [thinkpad_acpi]
 [<ffffffffa037227c>] ? thinkpad_acpi_module_init+0x0/0xa4f [thinkpad_acpi]
 [<ffffffff810001fa>] do_one_initcall+0x5f/0x154
 [<ffffffff8107ff34>] sys_init_module+0xd7/0x234
 [<ffffffff81002d5b>] system_call_fastpath+0x16/0x1b
---[ end trace a6d53dc318f09cb5 ]---
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