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Message-ID: <52153451.10601@semaphore.gr>
Date: Thu, 22 Aug 2013 00:42:41 +0300
From: Stratos Karafotis <stratosk@...aphore.gr>
To: Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>
CC: alsa-devel@...a-project.org,
"linux-kernel@...r.kernel.org >> LKML" <linux-kernel@...r.kernel.org>
Subject: oops during boot with CONFIG_SND_DYNAMIC_MINORS not set
Hi,
I get the following oops during boot when build with CONFIG_SND_DYNAMIC_MINORS
not set (3.11-rc6).
The issue is vanished building the kernel with CONFIG_SND_DYNAMIC_MINORS=y
as suggested in printk message.
Regards,
Stratos
[ 8.670497] ALSA sound/pci/hda/hda_codec.c:4506 Too many HDMI devices
[ 8.670500] ALSA sound/pci/hda/hda_codec.c:4508 Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y
[ 8.670501] ALSA sound/pci/hda/hda_codec.c:4506 Too many HDMI devices
[ 8.670502] ALSA sound/pci/hda/hda_codec.c:4508 Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y
[ 8.688015] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[ 8.688609] IP: [<ffffffffa0086992>] snd_pcm_add_chmap_ctls+0xd2/0x160 [snd_pcm]
[ 8.689191] PGD 0
[ 8.689762] Oops: 0000 [#1] SMP
[ 8.690326] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek arc4 rt2800pci eeprom_93cx6 rt2x00pci rt2800lib crc_ccitt rt2x00mmio rt2x00lib mac80211 cfg80211 eeepc_wmi asus_wmi sparse_keymap rfkill snd_hda_intel(+) snd_hda_codec snd_hwdep snd_seq iTCO_wdt iTCO_vendor_support r8169 mii i2c_i801 i2c_core snd_seq_device snd_pcm serio_raw pcspkr lpc_ich mfd_core snd_page_alloc snd_timer snd soundcore binfmt_misc uinput usb_storage wmi video
[ 8.692808] CPU: 1 PID: 417 Comm: systemd-udevd Not tainted 3.11.0-rc6 #3
[ 8.693424] Hardware name: ASUSTeK COMPUTER INC. CM6870/CM6870, BIOS 0606 08/27/2012
[ 8.694044] task: ffff880210091750 ti: ffff880210598000 task.ti: ffff880210598000
[ 8.694666] RIP: 0010:[<ffffffffa0086992>] [<ffffffffa0086992>] snd_pcm_add_chmap_ctls+0xd2/0x160 [snd_pcm]
[ 8.695310] RSP: 0018:ffff880210599968 EFLAGS: 00010246
[ 8.695954] RAX: ffffffffa008c51e RBX: ffff880212d20b80 RCX: 0000000000000000
[ 8.696607] RDX: ffffffffa008c533 RSI: ffff880212d20b80 RDI: ffff880210599980
[ 8.697261] RBP: ffff8802105999f8 R08: 0000000000000000 R09: ffff880216003b00
[ 8.697923] R10: 0000000000000000 R11: ffff8802133d93c0 R12: 0000000000000000
[ 8.698585] R13: ffff880210599a10 R14: 0000000000000000 R15: ffff880210599980
[ 8.699255] FS: 00007fe8eb8ea880(0000) GS:ffff88021ec40000(0000) knlGS:0000000000000000
[ 8.699936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.700619] CR2: 0000000000000018 CR3: 00000002101c2000 CR4: 00000000001407e0
[ 8.701310] Stack:
[ 8.702005] 0000000000000000 000000000b5a4000 0000000000000000 0000000000000003
[ 8.702715] 0000000000000000 ffffffffa008c51e 1000001100000000 0000000000000000
[ 8.703422] ffffffffa0084a80 ffffffffa0086cd0 0000000000000000 ffffffffa0085b30
[ 8.704132] Call Trace:
[ 8.704836] [<ffffffffa0084a80>] ? snd_pcm_hw_rule_msbits+0x50/0x50 [snd_pcm]
[ 8.705558] [<ffffffffa0086cd0>] ? snd_pcm_hw_rule_ratdens+0x2b0/0x2b0 [snd_pcm]
[ 8.706281] [<ffffffffa0085b30>] ? snd_pcm_hw_param_last+0x240/0x240 [snd_pcm]
[ 8.707008] [<ffffffffa02af7ed>] generic_hdmi_build_controls+0x14d/0x1e0 [snd_hda_codec_hdmi]
[ 8.707748] [<ffffffffa02ae827>] ? generic_hdmi_init+0xb7/0xd0 [snd_hda_codec_hdmi]
[ 8.708493] [<ffffffffa013a812>] snd_hda_codec_build_controls+0x1c2/0x220 [snd_hda_codec]
[ 8.709242] [<ffffffffa0135255>] ? snd_hda_codec_configure+0x295/0x450 [snd_hda_codec]
[ 8.709990] [<ffffffffa013a898>] snd_hda_build_controls+0x28/0x80 [snd_hda_codec]
[ 8.710728] [<ffffffffa00fbbed>] azx_probe_continue+0x84d/0xcc0 [snd_hda_intel]
[ 8.711456] [<ffffffffa00fb060>] ? perf_trace_azx_pcm_trigger+0xe0/0xe0 [snd_hda_intel]
[ 8.712187] [<ffffffffa00f9ee0>] ? azx_resume+0x130/0x130 [snd_hda_intel]
[ 8.712916] [<ffffffffa00fac20>] ? azx_pcm_prepare+0x5f0/0x5f0 [snd_hda_intel]
[ 8.713646] [<ffffffffa00f98f0>] ? azx_runtime_suspend+0x40/0x40 [snd_hda_intel]
[ 8.714377] [<ffffffffa00f8800>] ? azx_remove+0x30/0x30 [snd_hda_intel]
[ 8.715111] [<ffffffffa00fc4bf>] azx_probe+0x3bf/0x7e0 [snd_hda_intel]
[ 8.715845] [<ffffffff8130b3ee>] local_pci_probe+0x3e/0x70
[ 8.716574] [<ffffffff8130c6d1>] pci_device_probe+0x121/0x130
[ 8.717303] [<ffffffff813bf3c7>] driver_probe_device+0x87/0x390
[ 8.718033] [<ffffffff813bf7a3>] __driver_attach+0x93/0xa0
[ 8.718762] [<ffffffff813bf710>] ? __device_attach+0x40/0x40
[ 8.719481] [<ffffffff813bd303>] bus_for_each_dev+0x63/0xa0
[ 8.720189] [<ffffffff813bee1e>] driver_attach+0x1e/0x20
[ 8.720886] [<ffffffff813be9b8>] bus_add_driver+0x1e8/0x2a0
[ 8.721578] [<ffffffffa016a169>] ? ftrace_define_fields_azx_get_position+0xcd/0xcd [snd_hda_intel]
[ 8.722277] [<ffffffff813bfdc4>] driver_register+0x74/0x150
[ 8.722980] [<ffffffffa016a169>] ? ftrace_define_fields_azx_get_position+0xcd/0xcd [snd_hda_intel]
[ 8.723682] [<ffffffff8130b27b>] __pci_register_driver+0x4b/0x50
[ 8.724368] [<ffffffffa016a187>] azx_driver_init+0x1e/0xe97 [snd_hda_intel]
[ 8.725043] [<ffffffff810002c2>] do_one_initcall+0xf2/0x1a0
[ 8.725706] [<ffffffff8103f183>] ? set_memory_nx+0x43/0x50
[ 8.726360] [<ffffffff810b9f3d>] load_module+0x1b9d/0x2640
[ 8.726999] [<ffffffff810b6270>] ? store_uevent+0x40/0x40
[ 8.727631] [<ffffffff810bab56>] SyS_finit_module+0x86/0xb0
[ 8.728250] [<ffffffff81621782>] system_call_fastpath+0x16/0x1b
[ 8.728856] Code: ff 48 89 de 4c 89 ff 48 89 43 18 8b 85 7c ff ff ff 89 43 20 48 c7 c0 1e c5 08 a0 4c 89 45 d0 48 0f 45 c2 49 c1 e2 07 48 89 45 98 <41> 8b 44 24 18 4f 8d 34 14 89 45 8c 41 8b 86 c8 00 00 00 89 45
[ 8.730268] RIP [<ffffffffa0086992>] snd_pcm_add_chmap_ctls+0xd2/0x160 [snd_pcm]
[ 8.730932] RSP <ffff880210599968>
[ 8.731585] CR2: 0000000000000018
[ 8.732240] ---[ end trace 92e1db8c3a6c8fab ]---
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