Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933763AbbFVOEg (ORCPT ); Mon, 22 Jun 2015 10:04:36 -0400 Received: from mail-wg0-f53.google.com ([74.125.82.53]:33699 "EHLO mail-wg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933724AbbFVOEY (ORCPT ); Mon, 22 Jun 2015 10:04:24 -0400 From: Fabio Coatti To: David Airlie , dri-devel@lists.freedesktop.org, kernel list Subject: Linux 4.1 WARNING in drm_ioctl.c Date: Mon, 22 Jun 2015 16:04:20 +0200 Message-ID: <34169093.qYXxFR1FLt@calvin> User-Agent: KMail/4.14.8 (Linux/4.1.0; KDE/4.14.9; x86_64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3252 Lines: 64 Hi All, just compiled 4.1 and just got this warning, twice, in my dmesg: [lun giu 22 11:43:18 2015] ------------[ cut here ]------------ [lun giu 22 11:43:18 2015] WARNING: CPU: 1 PID: 2184 at drivers/gpu/drm/drm_ioctl.c:144 drm_setversion+0xe1/0x179() [lun giu 22 11:43:18 2015] No drm_driver.set_busid() implementation provided by 0xffffffff81ec3980. Use drm_dev_set_unique() to set the unique name explicitly. [lun giu 22 11:43:18 2015] Modules linked in: [lun giu 22 11:43:18 2015] bnep algif_skcipher cdc_wdm cdc_acm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev btusb btbcm btintel bluetooth hp_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi coretemp kvm_intel kvm snd_hda_codec_generic crct10dif_pclmul crc32_pclmul snd_hda_intel iwldvm snd_hda_controller snd_hda_codec snd_hwdep psmouse snd_hda_core iwlwifi snd_pcm snd_timer snd soundcore wmi hp_accel(+) hp_wireless lis3lv02d sch_fq_codel dm_zero dm_persistent_data dm_service_time dm_round_robin dm_queue_length dm_multipath dm_delay virtio_pci virtio_blk virtio_balloon virtio_ring virtio fuse overlay linear raid0 dm_raid dm_snapshot dm_bufio dm_mirror dm_region_hash dm_log ohci_pci ohci_hcd uhci_hcd [lun giu 22 11:43:18 2015] CPU: 1 PID: 2184 Comm: X Tainted: G W 4.1.0 #1 [lun giu 22 11:43:18 2015] Hardware name: Hewlett-Packard HP EliteBook Folio 9470m/18DF, BIOS 68IBD Ver. F.40 02/01/2013 [lun giu 22 11:43:18 2015] 0000000000000000 0000000000000009 ffffffff818d8bfd ffff8800b226fd38 [lun giu 22 11:43:18 2015] ffffffff810c5426 ffff880235437240 ffffffff8152870c ffff8800b2f16000 [lun giu 22 11:43:18 2015] ffff880234ffc000 ffff8800b226fdf0 ffff8800b2c8f300 00000000c0106407 [lun giu 22 11:43:18 2015] Call Trace: [lun giu 22 11:43:18 2015] [] ? dump_stack+0x47/0x67 [lun giu 22 11:43:18 2015] [] ? warn_slowpath_common+0x9d/0xb5 [lun giu 22 11:43:18 2015] [] ? drm_setversion+0xe1/0x179 [lun giu 22 11:43:18 2015] [] ? warn_slowpath_fmt+0x4a/0x4f [lun giu 22 11:43:18 2015] [] ? drm_setversion+0xe1/0x179 [lun giu 22 11:43:18 2015] [] ? drm_ioctl+0x376/0x3dd [lun giu 22 11:43:18 2015] [] ? drm_version+0x8d/0x8d [lun giu 22 11:43:18 2015] [] ? do_filp_open+0x30/0x74 [lun giu 22 11:43:18 2015] [] ? do_vfs_ioctl+0x379/0x431 [lun giu 22 11:43:18 2015] [] ? __fd_install+0x20/0x52 [lun giu 22 11:43:18 2015] [] ? do_sys_open+0x1c0/0x1d2 [lun giu 22 11:43:18 2015] [] ? SyS_ioctl+0x3e/0x5a [lun giu 22 11:43:18 2015] [] ? system_call_fastpath+0x16/0x6e [lun giu 22 11:43:18 2015] ---[ end trace 46364eedd82ef148 ]--- It does not seems to affect normal behaviour, but maybe the report could be interesting for maintainers. Sorry if this has already been reported; if more information is needed just let me know (please CC: me as I'm not subscribed to lists.) Many thanks. -- Fabio -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/