On 14.07.2015 17:13, Michel Dänzer wrote: > On 28.05.2015 18:03, Michel Dänzer wrote: >> On 28.05.2015 17:38, Daniel Vetter wrote: >>> On Thu, May 28, 2015 at 04:11:53PM +0900, Michel Dänzer wrote: >>>> On 27.05.2015 18:41, Daniel Vetter wrote: >>>>> On Wed, May 27, 2015 at 06:21:24PM +0900, Michel Dänzer wrote: >>>>>> On 27.05.2015 18:04, Daniel Vetter wrote: >>>>>>> These should be functionally equivalent to the older per/post modeset >>>>>>> functions, except that they block out drm_vblank_get right away. >>>>>>> There's only the clock adjusting code (outside of pageflips) in >>>>>>> readone which uses drm_vblank_get. But that code doesn't synchronize >>>>>>> against concurrent modesets and instead handles any such races by >>>>>>> waiting for the right vblank to arrive with a short timetout. >>>>>>> >>>>>>> The longer-term plan here is to switch all kms drivers to >>>>>>> drm_vblank_on/off so that common code like pending event cleanup can >>>>>>> be done there, while drm_vblank_pre/post_modeset will be purely >>>>>>> drm internal for the old UMS ioctl. >>>>>>> >>>>>>> Note that the kerneldoc for pre/post_modeset is wrong since as Michel >>>>>>> Dänzer correctly pointed out it works if only using pre/post_modeset. >>>>>>> The trouble that lead to this comment is the very old version of >>>>>>> drm_vblank_off to clear out pending events when disabling a pipe, >>>>>>> which did seem to wreak havoc with the trick used by pre/post_modeset. >>>>>>> Michel also expressed dissatisfaction with intel folks pushing new >>>>>>> interfaces with bogus justifications. I still maintain that having a >>>>>>> consistent set of vblank behaviour across kms drivers, separate from >>>>>>> any old UMS functions is a useful goal. >>>>>>> >>>>>>> Cc: Michel Dänzer <michel.daenzer@xxxxxxx> >>>>>>> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> >>>>>> >>>>>> Can you describe at least one tangible benefit this change provides for >>>>>> the radeon driver? >>>>>> >>>>>> Because I'm afraid that this might cause subtle breakage, and since we >>>>>> don't have any rigorous tests for this like in intel-gpu-tools (yet?), >>>>>> it might be painful to track it down. >>>>>> >>>>>> So, I'd like to have a good reason for taking the risk. >>>>> >>>>> right now at most a bit of code to clean out pending events on modeset >>>>> disable, for somewhat consistent behaviour with other drivers. But in >>>>> general it's fairly ill-defined what happens with vblank events. >>>> >>>> Yeah, while that's nice to have, I don't think it makes too much >>>> difference in practice. >>>> >>>> Anyway, I'm giving this patch a spin, and it does indeed cause userspace >>>> fallout, at least with DRI3/Present enabled, because the vblank and >>>> pageflip ioctls now return -EINVAL while the CRTC is off. However, it >>>> looks like fixing that up might not be too bad, so I'm cautiously >>>> optimistic for this change. But I'd like some more time for testing and >>>> fixing userspace. >> >> [...] >> >>> Otoh asking for a vblank event on a dead pipe smells like a userspace bug >>> and could result in stuck compositors. Not sure what's best here really. >> >> Agreed, and we're already careful not to do that with DRI2, just not yet >> with DRI3/Present (which isn't in any xf86-video-ati release yet). > > I've fixed up the DRI3/Present code as well. This patch (with maybe some > cleanups to the commit log, in particular I'm not sure the third > paragraph should be there) is > > Acked-and-Tested-by: Michel Dänzer <michel.daenzer@xxxxxxx> Recently, I'm occasionally (about once a week) getting a hang on DPMS off, see the attached dmesg snippet. I'm having trouble making sense of the backtraces; any opinions on whether this looks like an issue in the driver, DRM core or somewhere else? -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
[363595.550600] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 1, t=5252 jiffies, g=3257787, c=3257786, q=418) [363595.550622] Task dump for CPU 3: [363595.550628] Xorg R running task 0 1542 1480 0x0000000c [363595.550638] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363595.550646] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363595.550652] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363595.550658] Call Trace: [363595.550743] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363595.550777] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363595.550806] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363595.550832] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363595.550844] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363595.550870] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363595.550918] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363595.550950] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363595.550988] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363595.551034] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363595.551082] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363595.551117] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363595.551138] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363595.551149] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363595.551191] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363595.551220] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363595.551248] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363595.551280] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363595.551289] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363595.551318] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363595.551327] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363595.551332] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363595.551338] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363595.551347] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363595.551353] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363595.551361] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363595.551370] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [363597.748018] ------------[ cut here ]------------ [363597.748044] WARNING: CPU: 3 PID: 1542 at kernel/watchdog.c:304 watchdog_overflow_callback+0x92/0xc0() [363597.748049] Watchdog detected hard LOCKUP on cpu 3 [363597.748052] Modules linked in: [363597.748057] vhost_net vhost macvtap macvlan dm_snapshot dm_bufio rfcomm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables bnep btusb btintel btbcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media binfmt_misc snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device cpufreq_userspace cpufreq_conservative cpufreq_stats cpufreq_powersave nls_utf8 nls_cp437 vfat fat tpm_infineon rtsx_pci_ms memstick rtsx_pci_sdmmc mmc_core hp_wmi snd_hda_codec_realtek sparse_keymap rfkill snd_hda_codec_generic kvm_amd kvm crct10dif_pclmul [363597.748152] crc32_pclmul crc32c_intel pcspkr ghash_clmulni_intel snd_hda_codec_hdmi psmouse serio_raw efivars ohci_pci edac_mce_amd i2c_piix4 fam15h_power snd_hda_intel k10temp snd_hda_controller edac_core sg r8169 snd_hda_codec xhci_pci snd_hda_core ehci_pci ohci_hcd rtsx_pci snd_hwdep xhci_hcd mfd_core ehci_hcd snd_pcm mii snd_timer snd usbcore soundcore usb_common shpchp battery hp_accel lis3lv02d input_polldev tpm_tis hp_wireless tpm ac evdev acpi_cpufreq processor sch_fq_codel cuse fuse tun loop firewire_sbp2 firewire_core crc_itu_t parport_pc ppdev lp parport efivarfs autofs4 ext4 crc16 mbcache jbd2 dm_crypt dm_mod md_mod sd_mod amdkfd aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd radeon ahci libahci libata i2c_algo_bit ttm drm_kms_helper scsi_mod drm i2c_core thermal [363597.748267] wmi video thermal_sys button [363597.748280] CPU: 3 PID: 1542 Comm: Xorg Not tainted 4.1.3+ #185 [363597.748285] Hardware name: Hewlett-Packard HP EliteBook 725 G2/221D, BIOS M84 Ver. 01.06 01/15/2015 [363597.748290] ffffffff81728cbf ffff88023ed85ab0 ffffffff8158c0dc 0000000000000007 [363597.748298] ffff88023ed85b00 ffff88023ed85af0 ffffffff8107362a 0000000000000000 [363597.748304] ffff880236318000 0000000000000000 ffff88023ed85c40 ffff88023ed85ef8 [363597.748311] Call Trace: [363597.748315] <NMI> [<ffffffff8158c0dc>] dump_stack+0x45/0x57 [363597.748333] [<ffffffff8107362a>] warn_slowpath_common+0x8a/0xc0 [363597.748339] [<ffffffff810736a6>] warn_slowpath_fmt+0x46/0x50 [363597.748348] [<ffffffff81116d32>] watchdog_overflow_callback+0x92/0xc0 [363597.748357] [<ffffffff811560ac>] __perf_event_overflow+0x8c/0x220 [363597.748365] [<ffffffff81156c14>] perf_event_overflow+0x14/0x20 [363597.748373] [<ffffffff8102b766>] x86_pmu_handle_irq+0x116/0x160 [363597.748387] [<ffffffff81029e4b>] perf_event_nmi_handler+0x2b/0x50 [363597.748393] [<ffffffff81017f10>] nmi_handle+0x80/0x120 [363597.748399] [<ffffffff810184b2>] default_do_nmi+0x42/0x110 [363597.748404] [<ffffffff81018608>] do_nmi+0x88/0xd0 [363597.748411] [<ffffffff81593d6f>] end_repeat_nmi+0x1e/0x2e [363597.748444] [<ffffffffa007627c>] ? drm_vblank_count_and_time+0x4c/0x140 [drm] [363597.748470] [<ffffffffa007627c>] ? drm_vblank_count_and_time+0x4c/0x140 [drm] [363597.748496] [<ffffffffa007627c>] ? drm_vblank_count_and_time+0x4c/0x140 [drm] [363597.748500] <<EOE>> [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363597.748577] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363597.748611] [<ffffffffa0198a06>] atombios_crtc_dpms+0x36/0x1e50 [radeon] [363597.748650] [<ffffffffa0198b7a>] atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363597.748698] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363597.748747] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363597.748784] [<ffffffffa0106397>] drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363597.748806] [<ffffffffa0107156>] drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363597.748814] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363597.748858] [<ffffffffa01b51e8>] radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363597.748888] [<ffffffffa0080e36>] drm_mode_set_config_internal+0x66/0x100 [drm] [363597.748917] [<ffffffffa00855b9>] drm_mode_setcrtc+0x189/0x540 [drm] [363597.748951] [<ffffffffa00758d5>] drm_ioctl+0x1a5/0x840 [drm] [363597.748959] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363597.748989] [<ffffffffa018a04c>] radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363597.748998] [<ffffffff811e7840>] do_vfs_ioctl+0x2e0/0x4e0 [363597.749004] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363597.749010] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363597.749019] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363597.749025] [<ffffffff811e7ac1>] SyS_ioctl+0x81/0xa0 [363597.749033] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363597.749041] [<ffffffff81591a72>] system_call_fastpath+0x16/0x75 [363597.749047] ---[ end trace 7cdbfeead6bdba16 ]--- [363658.627194] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 2, t=21007 jiffies, g=3257787, c=3257786, q=1614) [363658.627216] Task dump for CPU 3: [363658.627222] Xorg R running task 0 1542 1480 0x0000000c [363658.627233] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363658.627241] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363658.627248] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363658.627255] Call Trace: [363658.627342] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363658.627377] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363658.627409] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363658.627436] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363658.627450] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363658.627477] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363658.627528] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363658.627563] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363658.627603] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363658.627651] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363658.627702] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363658.627738] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363658.627760] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363658.627770] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363658.627816] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363658.627846] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363658.627876] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363658.627911] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363658.627920] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363658.627951] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363658.627961] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363658.627967] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363658.627973] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363658.627982] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363658.627989] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363658.627997] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363658.628006] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [363721.703913] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 0, t=36762 jiffies, g=3257787, c=3257786, q=2731) [363721.703934] Task dump for CPU 3: [363721.703940] Xorg R running task 0 1542 1480 0x0000000c [363721.703950] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363721.703958] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363721.703964] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363721.703971] Call Trace: [363721.704057] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363721.704091] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363721.704120] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363721.704146] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363721.704158] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363721.704184] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363721.704232] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363721.704264] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363721.704301] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363721.704346] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363721.704393] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363721.704428] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363721.704449] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363721.704459] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363721.704501] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363721.704531] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363721.704559] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363721.704592] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363721.704600] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363721.704629] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363721.704638] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363721.704643] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363721.704649] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363721.704658] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363721.704663] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363721.704671] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363721.704681] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [363784.780503] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 2, t=52517 jiffies, g=3257787, c=3257786, q=3875) [363784.780524] Task dump for CPU 3: [363784.780530] Xorg R running task 0 1542 1480 0x0000000c [363784.780540] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363784.780548] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363784.780555] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363784.780562] Call Trace: [363784.780649] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363784.780686] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363784.780717] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363784.780744] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363784.780757] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363784.780785] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363784.780836] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363784.780871] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363784.780911] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363784.780961] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363784.781011] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363784.781047] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363784.781069] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363784.781079] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363784.781125] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363784.781155] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363784.781184] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363784.781219] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363784.781228] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363784.781260] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363784.781269] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363784.781275] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363784.781282] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363784.781291] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363784.781297] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363784.781305] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363784.781315] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [363847.857225] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 1, t=68272 jiffies, g=3257787, c=3257786, q=5065) [363847.857245] Task dump for CPU 3: [363847.857252] Xorg R running task 0 1542 1480 0x0000000c [363847.857261] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363847.857269] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363847.857276] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363847.857282] Call Trace: [363847.857368] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363847.857402] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363847.857431] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363847.857457] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363847.857470] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363847.857496] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363847.857544] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363847.857576] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363847.857614] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363847.857660] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363847.857707] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363847.857742] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363847.857763] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363847.857774] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363847.857816] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363847.857845] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363847.857873] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363847.857906] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363847.857914] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363847.857944] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363847.857952] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363847.857958] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363847.857963] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363847.857972] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363847.857978] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363847.857986] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363847.857994] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [363910.933881] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 0, t=84027 jiffies, g=3257787, c=3257786, q=6167) [363910.933902] Task dump for CPU 3: [363910.933909] Xorg R running task 0 1542 1480 0x0000000c [363910.933918] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363910.933926] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363910.933933] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363910.933939] Call Trace: [363910.934025] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363910.934059] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363910.934088] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363910.934113] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363910.934125] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363910.934151] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363910.934199] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363910.934231] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363910.934267] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363910.934313] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363910.934359] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363910.934394] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363910.934415] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363910.934424] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363910.934467] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363910.934495] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363910.934523] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363910.934556] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363910.934564] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363910.934593] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363910.934602] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363910.934607] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363910.934612] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363910.934621] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363910.934627] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363910.934635] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363910.934644] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [363974.010538] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 0, t=99782 jiffies, g=3257787, c=3257786, q=7418) [363974.010559] Task dump for CPU 3: [363974.010566] Xorg R running task 0 1542 1480 0x0000000c [363974.010576] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [363974.010584] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [363974.010590] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [363974.010596] Call Trace: [363974.010682] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [363974.010717] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [363974.010746] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [363974.010771] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [363974.010784] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [363974.010810] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [363974.010858] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363974.010890] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [363974.010927] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [363974.010973] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [363974.011020] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [363974.011055] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [363974.011076] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [363974.011086] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [363974.011128] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [363974.011157] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [363974.011185] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [363974.011217] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [363974.011226] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [363974.011254] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [363974.011263] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [363974.011268] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [363974.011274] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [363974.011283] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [363974.011289] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [363974.011297] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [363974.011306] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364037.087195] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 0, t=115537 jiffies, g=3257787, c=3257786, q=8508) [364037.087216] Task dump for CPU 3: [364037.087223] Xorg R running task 0 1542 1480 0x0000000c [364037.087233] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364037.087240] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364037.087247] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364037.087253] Call Trace: [364037.087340] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364037.087375] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364037.087404] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364037.087429] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364037.087441] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364037.087467] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364037.087515] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364037.087548] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364037.087585] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364037.087630] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364037.087677] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364037.087712] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364037.087733] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364037.087742] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364037.087785] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364037.087814] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364037.087842] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364037.087875] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364037.087883] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364037.087912] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364037.087920] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364037.087926] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364037.087931] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364037.087940] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364037.087946] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364037.087954] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364037.087963] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364100.163850] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 0, t=131292 jiffies, g=3257787, c=3257786, q=9716) [364100.163870] Task dump for CPU 3: [364100.163878] Xorg R running task 0 1542 1480 0x0000000c [364100.163888] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364100.163895] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364100.163902] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364100.163908] Call Trace: [364100.163995] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364100.164029] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364100.164059] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364100.164084] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364100.164096] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364100.164122] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364100.164169] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364100.164201] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364100.164238] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364100.164283] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364100.164331] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364100.164366] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364100.164387] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364100.164397] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364100.164439] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364100.164468] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364100.164496] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364100.164529] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364100.164538] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364100.164566] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364100.164575] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364100.164580] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364100.164586] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364100.164595] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364100.164601] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364100.164609] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364100.164617] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364163.240507] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 1, t=147047 jiffies, g=3257787, c=3257786, q=10800) [364163.240528] Task dump for CPU 3: [364163.240535] Xorg R running task 0 1542 1480 0x0000000c [364163.240544] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364163.240552] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364163.240559] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364163.240565] Call Trace: [364163.240653] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364163.240687] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364163.240716] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364163.240742] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364163.240754] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364163.240780] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364163.240828] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364163.240860] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364163.240898] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364163.240944] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364163.240991] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364163.241026] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364163.241047] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364163.241057] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364163.241099] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364163.241128] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364163.241157] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364163.241189] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364163.241198] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364163.241227] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364163.241235] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364163.241241] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364163.241246] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364163.241255] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364163.241261] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364163.241269] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364163.241278] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364226.317162] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 1, t=162802 jiffies, g=3257787, c=3257786, q=11912) [364226.317183] Task dump for CPU 3: [364226.317190] Xorg R running task 0 1542 1480 0x0000000c [364226.317199] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364226.317207] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364226.317213] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364226.317220] Call Trace: [364226.317306] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364226.317339] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364226.317368] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364226.317394] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364226.317406] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364226.317432] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364226.317480] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364226.317513] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364226.317549] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364226.317595] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364226.317642] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364226.317677] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364226.317698] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364226.317709] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364226.317751] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364226.317780] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364226.317808] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364226.317841] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364226.317849] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364226.317879] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364226.317887] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364226.317892] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364226.317898] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364226.317907] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364226.317913] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364226.317921] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364226.317930] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364289.393819] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 1, t=178557 jiffies, g=3257787, c=3257786, q=15911) [364289.393840] Task dump for CPU 3: [364289.393847] Xorg R running task 0 1542 1480 0x0000000c [364289.393856] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364289.393864] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364289.393871] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364289.393877] Call Trace: [364289.393964] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364289.393998] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364289.394028] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364289.394053] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364289.394066] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364289.394093] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364289.394141] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364289.394173] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364289.394210] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364289.394255] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364289.394302] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364289.394337] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364289.394358] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364289.394369] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364289.394411] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364289.394441] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364289.394469] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364289.394502] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364289.394510] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364289.394539] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364289.394548] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364289.394554] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364289.394560] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364289.394569] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364289.394575] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364289.394583] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364289.394592] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364352.470408] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 2, t=194312 jiffies, g=3257787, c=3257786, q=17678) [364352.470429] Task dump for CPU 3: [364352.470436] Xorg R running task 0 1542 1480 0x0000000c [364352.470446] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364352.470455] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364352.470462] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364352.470469] Call Trace: [364352.470554] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364352.470589] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364352.470621] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364352.470648] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364352.470662] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364352.470689] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364352.470740] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364352.470775] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364352.470815] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364352.470864] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364352.470915] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364352.470951] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364352.470973] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364352.470983] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364352.471029] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364352.471060] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364352.471089] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364352.471124] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364352.471132] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364352.471164] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364352.471174] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364352.471180] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364352.471186] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364352.471195] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364352.471202] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364352.471210] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364352.471219] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75 [364415.547131] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 0, t=210067 jiffies, g=3257787, c=3257786, q=18767) [364415.547152] Task dump for CPU 3: [364415.547159] Xorg R running task 0 1542 1480 0x0000000c [364415.547169] ffffffffa018f3bd ffff880232ba2160 00014a5f550c77c5 ffff88022ab3f968 [364415.547177] ffffffffa0076337 ffff88022ab3f9f8 000000de33ba0000 ffff8802338f8000 [364415.547183] ffffffffa018f25d ffff88022ab3f9b8 ffffffffa0076dcf 0000000000058af0 [364415.547189] Call Trace: [364415.547277] [<ffffffffa018f3bd>] ? radeon_get_vblank_timestamp_kms+0x3d/0xf30 [radeon] [364415.547311] [<ffffffffa0076337>] ? drm_vblank_count_and_time+0x107/0x140 [drm] [364415.547341] [<ffffffffa018f25d>] ? radeon_get_vblank_counter_kms+0x3d/0x40 [radeon] [364415.547366] [<ffffffffa0076dcf>] ? drm_vblank_cleanup+0x1df/0x330 [drm] [364415.547378] [<ffffffff810b2048>] ? __wake_up+0x48/0x60 [364415.547404] [<ffffffffa0077a40>] ? drm_vblank_off+0xb0/0x1e0 [drm] [364415.547452] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364415.547484] [<ffffffffa0198a06>] ? atombios_crtc_dpms+0x36/0x1e50 [radeon] [364415.547521] [<ffffffffa0198b7a>] ? atombios_crtc_dpms+0x1aa/0x1e50 [radeon] [364415.547566] [<ffffffffa0215032>] ? atombios_get_encoder_mode+0x132/0x1e0 [radeon] [364415.547614] [<ffffffffa02174ad>] ? atombios_set_edp_panel_power+0xc5d/0xce0 [radeon] [364415.547649] [<ffffffffa0106397>] ? drm_helper_crtc_in_use+0x1b7/0x1f0 [drm_kms_helper] [364415.547670] [<ffffffffa0107156>] ? drm_crtc_helper_set_config+0x116/0xb50 [drm_kms_helper] [364415.547681] [<ffffffff8158f85d>] ? __ww_mutex_lock+0x1d/0xc0 [364415.547723] [<ffffffffa01b51e8>] ? radeon_encoder_is_digital+0x1d8/0xe50 [radeon] [364415.547752] [<ffffffffa0080e36>] ? drm_mode_set_config_internal+0x66/0x100 [drm] [364415.547780] [<ffffffffa00855b9>] ? drm_mode_setcrtc+0x189/0x540 [drm] [364415.547813] [<ffffffffa00758d5>] ? drm_ioctl+0x1a5/0x840 [drm] [364415.547822] [<ffffffff8107ecf6>] ? dequeue_signal+0x36/0x180 [364415.547851] [<ffffffffa018a04c>] ? radeon_drm_ioctl+0x4c/0x5e0 [radeon] [364415.547859] [<ffffffff811e7840>] ? do_vfs_ioctl+0x2e0/0x4e0 [364415.547865] [<ffffffff8107ec0f>] ? recalc_sigpending+0x1f/0x60 [364415.547870] [<ffffffff8107f6b2>] ? __set_task_blocked+0x32/0x80 [364415.547880] [<ffffffff81474645>] ? __sys_recvmsg+0x65/0x80 [364415.547886] [<ffffffff811e7ac1>] ? SyS_ioctl+0x81/0xa0 [364415.547893] [<ffffffff810141e2>] ? sys_rt_sigreturn+0xb2/0xc0 [364415.547902] [<ffffffff81591a72>] ? system_call_fastpath+0x16/0x75
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