In data martedì 23 giugno 2015 08:39:47, Daniel Vetter ha scritto: > On Mon, Jun 22, 2015 at 04:04:20PM +0200, Fabio Coatti wrote: > > 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] [<ffffffff818d8bfd>] ? dump_stack+0x47/0x67 > > [lun giu 22 11:43:18 2015] [<ffffffff810c5426>] ? > > warn_slowpath_common+0x9d/0xb5 > > [lun giu 22 11:43:18 2015] [<ffffffff8152870c>] ? > > drm_setversion+0xe1/0x179 [lun giu 22 11:43:18 2015] > > [<ffffffff810c5488>] ? warn_slowpath_fmt+0x4a/0x4f [lun giu 22 11:43:18 > > 2015] [<ffffffff8152870c>] ? drm_setversion+0xe1/0x179 [lun giu 22 > > 11:43:18 2015] [<ffffffff81528465>] ? drm_ioctl+0x376/0x3dd [lun giu 22 > > 11:43:18 2015] [<ffffffff8152862b>] ? drm_version+0x8d/0x8d [lun giu 22 > > 11:43:18 2015] [<ffffffff811ca766>] ? do_filp_open+0x30/0x74 [lun giu 22 > > 11:43:18 2015] [<ffffffff811cc591>] ? do_vfs_ioctl+0x379/0x431 [lun giu > > 22 11:43:18 2015] [<ffffffff811d4784>] ? __fd_install+0x20/0x52 [lun giu > > 22 11:43:18 2015] [<ffffffff811bccab>] ? do_sys_open+0x1c0/0x1d2 [lun > > giu 22 11:43:18 2015] [<ffffffff811cc687>] ? SyS_ioctl+0x3e/0x5a [lun > > giu 22 11:43:18 2015] [<ffffffff818e0d9b>] ? > > 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.) > > Which drm driver are you using? I didn't spot anything in your module list > but might have missed it. Booting with drm.debug=0xe and grabbing dmesg > will tell us for sure. > -Daniel Attached the drm.debug output, grepped for "drm". Let me know if I stripped something useful. Thanks, -- Fabio
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