linux-kernel - 3.17.2. issue?

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Date:	Fri, 31 Oct 2014 16:43:47 +0100
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 3.17.2. issue?

Hello,

Booting into 3.17.2 on one box I saw:

[   15.070260] microcode: CPU0: patch_level=0x010000b7
[   15.279454] Linux video capture interface: v2.00
[   15.315043] microcode: CPU0: new patch_level=0x010000c7
[   15.319519] microcode: CPU1: patch_level=0x010000b7
[   15.323966] microcode: CPU1: new patch_level=0x010000c7
[   15.328493] microcode: Microcode Update Driver: v2.00
<tigran@...azian.fsnet.co.uk>, Peter Oruba
[   15.750724] saa7146: register extension 'budget_av'
[   15.757205] ------------[ cut here ]------------
[   15.763300] WARNING: CPU: 0 PID: 468 at fs/proc/generic.c:341
__proc_create+0x1a4/0x1c0()
[   15.769475] name len 0
[   15.774046] Modules linked in: budget_av(+) saa7146_vv
videobuf_dma_sg videobuf_core v4l2_common videodev budget_core microcode
ttpci_eeprom saa7146 dvb_core snd_hda_codec_realtek snd_hda_codec_hdmi
snd_hda_codec_generic cp210x snd_hda_intel usbserial k10temp
snd_hda_controller evdev snd_hda_codec snd_seq snd_seq_device snd_pcm
i2c_piix4 snd_timer snd acpi_cpufreq processor button nfsd auth_rpcgss
oid_registry exportfs nfs_acl lockd sunrpc hid_generic usbhid hid
ata_generic ehci_pci ehci_hcd ohci_pci ohci_hcd sr_mod cdrom radeon
fbcon bitblit softcursor font cfbfillrect cfbimgblt cfbcopyarea
backlight drm_kms_helper ttm autofs4
[   15.794125] CPU: 0 PID: 468 Comm: systemd-udevd Not tainted
3.17.2test-dirty #7
[   15.799155] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./To be filled by O.E.M., BIOS 080015  05/04/2010
[   15.804586]  0000000000000009 ffffffff81461238 ffff8800cf69ba60
ffffffff81056271
[   15.809771]  ffff8800cf69bb00 ffff8800cf69bab0 0000000000000002
000000000000416d
[   15.814957]  0000000000000000 ffffffff810562e7 ffffffff8156510b
ffffffff00000020
[   15.820188] Call Trace:
[   15.825314]  [<ffffffff81461238>] ? dump_stack+0x49/0x6a
[   15.830457]  [<ffffffff81056271>] ? warn_slowpath_common+0x81/0xb0
[   15.835535]  [<ffffffff810562e7>] ? warn_slowpath_fmt+0x47/0x50
[   15.840565]  [<ffffffff81179c74>] ? __proc_create+0x1a4/0x1c0
[   15.845613]  [<ffffffff81179f5f>] ? proc_mkdir_data+0x2f/0x70
[   15.850605]  [<ffffffff81092b74>] ? register_handler_proc+0x114/0x130
[   15.855497]  [<ffffffff8108f87b>] ? __setup_irq+0x3cb/0x500
[   15.860273]  [<ffffffffa0362da0>] ? saa7146_remove_one+0x1c0/0x1c0
[saa7146]
[   15.865007]  [<ffffffff8108fb21>] ? request_threaded_irq+0xd1/0x170
[   15.869728]  [<ffffffffa03630f3>] ? saa7146_init_one+0x103/0x740
[saa7146]
[   15.874377]  [<ffffffff81271158>] ? pci_device_probe+0x98/0xf0
[   15.878911]  [<ffffffff81305356>] ? driver_probe_device+0x86/0x270
[   15.883317]  [<ffffffff81305633>] ? __driver_attach+0x93/0xa0
[   15.887659]  [<ffffffff813055a0>] ? __device_attach+0x60/0x60
[   15.891919]  [<ffffffff81303653>] ? bus_for_each_dev+0x53/0x90
[   15.896107]  [<ffffffff81304b68>] ? bus_add_driver+0x188/0x240
[   15.900246]  [<ffffffffa0400000>] ? 0xffffffffa0400000
[   15.904359]  [<ffffffff813059e6>] ? driver_register+0x56/0xd0
[   15.908454]  [<ffffffff810002b4>] ? do_one_initcall+0x84/0x1b0
[   15.912567]  [<ffffffff810b0774>] ? load_module+0x1c34/0x2190
[   15.916648]  [<ffffffff810ad3c0>] ? store_uevent+0x50/0x50
[   15.920716]  [<ffffffff810b0e25>] ? SyS_finit_module+0x85/0x90
[   15.924768]  [<ffffffff81466092>] ? system_call_fastpath+0x16/0x1b
[   15.928925] ---[ end trace b6ff19cfd9b0c411 ]---
[   15.932953] saa7146: found saa7146 @ mem ffffc90000020c00 (revision
1, irq 20) (0x153b,0x1157)
[   15.937071] saa7146 (0): dma buffer size 192512
[   15.937071] saa7146 (0): dma buffer size 192512
[   15.941161] DVB: registering new adapter (Terratec Cinergy 1200 DVB-T)
[   15.981742] adapter failed MAC signature check
[   15.987499] encoded MAC from EEPROM was
ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff
[   16.256557] budget_av: KNC1-0: MAC addr = 00:0a:ac:01:d6:87
[   16.617698] budget_av 0000:03:05.0: DVB: registering adapter 0
frontend 0 (Philips TDA10046H DVB-T)...
[   16.624394] budget_av: ci interface initialised
[   17.053409] EXT4-fs (dm-3): mounted filesystem with ordered data
mode. Opts: (null)

What happened?

Kind regards,
Udo
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