On Thu, May 18, 2017 at 07:43:51PM +0300, Tommi Rantala wrote: > 2017-05-11 5:51 GMT+03:00 Michel Dänzer <michel at daenzer.net>: > > On 11/05/17 04:33 AM, Tommi Rantala wrote: > >> Complete kernel log: > >> http://termbin.com/dzy5 > >> > >> [ 249.952546] ------------[ cut here ]------------ > >> [ 249.952593] WARNING: CPU: 5 PID: 0 at > >> /home/ttrantal/git/linux/drivers/gpu/drm/drm_irq.c:1195 > >> drm_vblank_put+0xc4/0x120 [drm] > >> [ 249.952596] Modules linked in: fuse tun bridge stp llc af_packet > >> pl2303 usbserial shpchp acpi_cpufreq binfmt_misc amdgpu hid_generic > >> uhci_hcd radeon 3c59x mii tg3 ehci_pci ehci_hcd i2c_algo_bit > >> drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm > >> agpgart unix autofs4 > >> [ 249.952675] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G W > >> 4.11.0+ #4 > >> [ 249.952678] Hardware name: Hewlett-Packard HP xw6600 > >> Workstation/0A9Ch, BIOS 786F4 v01.46 09/20/2012 > >> [ 249.952681] task: ffff88080aea0000 task.stack: ffffc900031b0000 > >> [ 249.952695] RIP: 0010:drm_vblank_put+0xc4/0x120 [drm] > >> [ 249.952698] RSP: 0018:ffff88080f003d70 EFLAGS: 00010046 > >> [ 249.952703] RAX: 0000000000000000 RBX: ffff880801d53000 RCX: 0000000000000000 > >> [ 249.952706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88080a4ac000 > >> [ 249.952709] RBP: ffff88080f003d88 R08: 0000000000000001 R09: 0000000000000003 > >> [ 249.952711] R10: ffff88080f003d08 R11: 00000000001da540 R12: ffff88080a4ac000 > >> [ 249.952714] R13: 0000000000000000 R14: 0000000000000086 R15: ffff8808019a0000 > >> [ 249.952717] FS: 0000000000000000(0000) GS:ffff88080f000000(0000) > >> knlGS:0000000000000000 > >> [ 249.952720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > >> [ 249.952723] CR2: 00007f8bcc3a5810 CR3: 0000000808789000 CR4: 00000000000006e0 > >> [ 249.952726] Call Trace: > >> [ 249.952731] <IRQ> > >> [ 249.952746] drm_crtc_vblank_put+0x1b/0x30 [drm] > >> [ 249.952813] radeon_crtc_handle_flip+0xdc/0x140 [radeon] > >> [ 249.952843] si_irq_process+0x610/0x1e90 [radeon] > >> [ 249.952872] radeon_driver_irq_handler_kms+0x39/0xc0 [radeon] > >> [ 249.952881] __handle_irq_event_percpu+0x60/0x580 > >> [ 249.952887] handle_irq_event_percpu+0x20/0x90 > >> [ 249.952892] handle_irq_event+0x46/0xb0 > >> [ 249.952897] handle_edge_irq+0x13d/0x370 > >> [ 249.952903] handle_irq+0x66/0x210 > >> [ 249.952908] ? __local_bh_enable+0x34/0x50 > >> [ 249.952914] do_IRQ+0x7e/0x1b0 > >> [ 249.952920] common_interrupt+0x95/0x95 > > > > Weird, not sure how this could happen. Can you bisect? > > Hi, > > Bisection points to this (also manually applied commit 9739e74646 > while testing, got kernel oops otherwise): > > commit 29dc0d1de18239cf3ef8bab578b8321ed340d81c > Author: Daniel Vetter <daniel.vetter at ffwll.ch> > Date: Wed Mar 22 22:50:49 2017 +0100 > > drm: Roll out acquire context for the page_flip ioctl > > Again just prep work. > > Reviewed-by: Harry Wentland <harry.wentland at amd.com> > Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> > Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-11-daniel.vetter at ffwll.ch > > > I'm also seeing some more warnings in this version: Yeah I think the locking stuff we've fixed, at least if you don't see it in 4.12 it should be all good. And I think I spotted the bug you've bisected to, patch is on dri-devel, pls test. Thanks for the bug report. -Daniel > > > May 18 19:21:55 xw6600 kernel: IPv6: ADDRCONF(NETDEV_CHANGE): enp14s0: > link becomes ready > May 18 19:21:57 xw6600 kernel: ------------[ cut here ]------------ > May 18 19:21:57 xw6600 kernel: WARNING: CPU: 5 PID: 4607 at > /home/ttrantal/git/linux/drivers/gpu/drm/drm_modeset_lock.c:193 > drm_modeset_lock_crtc+0xe5/0x100 [drm] > May 18 19:21:57 xw6600 kernel: Modules linked in: tun bridge stp llc > af_packet pl2303 usbserial shpchp acpi_cpufreq binfmt_misc amdgpu > hid_generic uhci_hcd radeon 3c59x mii i2c_algo_bit drm_kms_helper tg3 > syscopyarea sysfillrect sysimgblt > May 18 19:21:57 xw6600 kernel: CPU: 5 PID: 4607 Comm: gnome-shell Not > tainted 4.11.0-rc3-00944-g29dc0d1-dirty #30 > May 18 19:21:57 xw6600 kernel: Hardware name: Hewlett-Packard HP > xw6600 Workstation/0A9Ch, BIOS 786F4 v01.46 09/20/2012 > May 18 19:21:57 xw6600 kernel: Call Trace: > May 18 19:21:57 xw6600 kernel: dump_stack+0x69/0x9b > May 18 19:21:57 xw6600 kernel: __warn+0xff/0x140 > May 18 19:21:57 xw6600 kernel: warn_slowpath_null+0x18/0x20 > May 18 19:21:57 xw6600 kernel: drm_modeset_lock_crtc+0xe5/0x100 [drm] > May 18 19:21:57 xw6600 kernel: drm_mode_cursor_common+0xbd/0x200 [drm] > May 18 19:21:57 xw6600 kernel: drm_mode_cursor_ioctl+0x3c/0x40 [drm] > May 18 19:21:57 xw6600 kernel: drm_ioctl+0x3ea/0x870 [drm] > May 18 19:21:57 xw6600 kernel: ? drm_mode_setplane+0x1a0/0x1a0 [drm] > May 18 19:21:57 xw6600 kernel: ? trace_hardirqs_on_caller+0x1ad/0x2c0 > May 18 19:21:57 xw6600 kernel: ? trace_hardirqs_on+0xd/0x10 > May 18 19:21:57 xw6600 kernel: radeon_drm_ioctl+0x6e/0x110 [radeon] > May 18 19:21:57 xw6600 kernel: do_vfs_ioctl+0xac/0x9d0 > May 18 19:21:57 xw6600 kernel: ? security_file_ioctl+0x4c/0x80 > May 18 19:21:57 xw6600 kernel: SyS_ioctl+0x74/0x80 > May 18 19:21:57 xw6600 kernel: entry_SYSCALL_64_fastpath+0x18/0xad > May 18 19:21:57 xw6600 kernel: RIP: 0033:0x7f98d9e52787 > May 18 19:21:57 xw6600 kernel: RSP: 002b:00007ffe12ca5938 EFLAGS: > 00000246 ORIG_RAX: 0000000000000010 > May 18 19:21:57 xw6600 kernel: RAX: ffffffffffffffda RBX: > 0000000000000046 RCX: 00007f98d9e52787 > May 18 19:21:57 xw6600 kernel: RDX: 00007ffe12ca5970 RSI: > 00000000c01c64a3 RDI: 0000000000000008 > May 18 19:21:57 xw6600 kernel: RBP: 000000000000000b R08: > 0000000000000000 R09: 0000560c5a5c9ac0 > May 18 19:21:57 xw6600 kernel: R10: 0000560c5a2988d8 R11: > 0000000000000246 R12: 0000000000000008 > May 18 19:21:57 xw6600 kernel: R13: 0000000000000001 R14: > 0000560c5c121d20 R15: 0000560c5a30ded0 > May 18 19:21:57 xw6600 kernel: ---[ end trace bbca894b04cf0b16 ]--- > May 18 19:21:57 xw6600 kernel: ------------[ cut here ]------------ > May 18 19:21:57 xw6600 kernel: WARNING: CPU: 5 PID: 4607 at > /home/ttrantal/git/linux/drivers/gpu/drm/drm_modeset_lock.c:193 > drm_modeset_lock_crtc+0xe5/0x100 [drm] > May 18 19:21:57 xw6600 kernel: Modules linked in: tun bridge stp llc > af_packet pl2303 usbserial shpchp acpi_cpufreq binfmt_misc amdgpu > hid_generic uhci_hcd radeon 3c59x mii i2c_algo_bit drm_kms_helper tg3 > syscopyarea sysfillrect sysimgblt > May 18 19:21:57 xw6600 kernel: CPU: 5 PID: 4607 Comm: gnome-shell > Tainted: G W 4.11.0-rc3-00944-g29dc0d1-dirty #30 > May 18 19:21:57 xw6600 kernel: Hardware name: Hewlett-Packard HP > xw6600 Workstation/0A9Ch, BIOS 786F4 v01.46 09/20/2012 > May 18 19:21:57 xw6600 kernel: Call Trace: > May 18 19:21:57 xw6600 kernel: dump_stack+0x69/0x9b > May 18 19:21:57 xw6600 kernel: __warn+0xff/0x140 > May 18 19:21:57 xw6600 kernel: warn_slowpath_null+0x18/0x20 > May 18 19:21:57 xw6600 kernel: drm_modeset_lock_crtc+0xe5/0x100 [drm] > May 18 19:21:57 xw6600 kernel: drm_mode_getcrtc+0x82/0x2c0 [drm] > May 18 19:21:57 xw6600 kernel: drm_ioctl+0x3ea/0x870 [drm] > May 18 19:21:57 xw6600 kernel: ? drm_crtc_create_fence+0x80/0x80 [drm] > May 18 19:21:57 xw6600 kernel: radeon_drm_ioctl+0x6e/0x110 [radeon] > May 18 19:21:57 xw6600 kernel: do_vfs_ioctl+0xac/0x9d0 > May 18 19:21:57 xw6600 kernel: ? security_file_ioctl+0x4c/0x80 > May 18 19:21:57 xw6600 kernel: SyS_ioctl+0x74/0x80 > May 18 19:21:57 xw6600 kernel: entry_SYSCALL_64_fastpath+0x18/0xad > May 18 19:21:57 xw6600 kernel: RIP: 0033:0x7f98d9e52787 > May 18 19:21:57 xw6600 kernel: RSP: 002b:00007ffe12ca53f8 EFLAGS: > 00000246 ORIG_RAX: 0000000000000010 > May 18 19:21:57 xw6600 kernel: RAX: ffffffffffffffda RBX: > 0000000000000046 RCX: 00007f98d9e52787 > May 18 19:21:57 xw6600 kernel: RDX: 00007ffe12ca5430 RSI: > 00000000c06864a1 RDI: 0000000000000008 > May 18 19:21:57 xw6600 kernel: RBP: 0000560c5a2bbdb0 R08: > 0000000000000008 R09: 0000560c5a48bf20 > May 18 19:21:57 xw6600 kernel: R10: 0000560c5a485330 R11: > 0000000000000246 R12: 0000560c5b66a540 > May 18 19:21:57 xw6600 kernel: R13: 0000560c5bddaf90 R14: > 0000560c5a88e5e0 R15: 00007ffe12c95c40 > May 18 19:21:57 xw6600 kernel: ---[ end trace bbca894b04cf0b17 ]--- > May 18 19:21:57 xw6600 kernel: ------------[ cut here ]------------ > May 18 19:21:57 xw6600 kernel: WARNING: CPU: 1 PID: 0 at > /home/ttrantal/git/linux/drivers/gpu/drm/drm_irq.c:1186 > drm_vblank_put+0xec/0x150 [drm] > May 18 19:21:57 xw6600 kernel: Modules linked in: tun bridge stp llc > af_packet pl2303 usbserial shpchp acpi_cpufreq binfmt_misc amdgpu > hid_generic uhci_hcd radeon 3c59x mii i2c_algo_bit drm_kms_helper tg3 > syscopyarea sysfillrect sysimgblt > May 18 19:21:57 xw6600 kernel: CPU: 1 PID: 0 Comm: swapper/1 Tainted: > G W 4.11.0-rc3-00944-g29dc0d1-dirty #30 > May 18 19:21:57 xw6600 kernel: Hardware name: Hewlett-Packard HP > xw6600 Workstation/0A9Ch, BIOS 786F4 v01.46 09/20/2012 > May 18 19:21:57 xw6600 kernel: Call Trace: > May 18 19:21:57 xw6600 kernel: <IRQ> > May 18 19:21:57 xw6600 kernel: dump_stack+0x69/0x9b > May 18 19:21:57 xw6600 kernel: __warn+0xff/0x140 > May 18 19:21:57 xw6600 kernel: ? drm_vblank_count_and_time+0x9e/0x1b0 [drm] > May 18 19:21:57 xw6600 kernel: warn_slowpath_null+0x18/0x20 > May 18 19:21:57 xw6600 kernel: drm_vblank_put+0xec/0x150 [drm] > May 18 19:21:57 xw6600 kernel: drm_crtc_vblank_put+0x1b/0x30 [drm] > May 18 19:21:57 xw6600 kernel: radeon_crtc_handle_flip+0xdc/0x140 [radeon] > May 18 19:21:57 xw6600 kernel: si_irq_process+0x611/0x1e90 [radeon] > May 18 19:21:57 xw6600 kernel: ? sched_clock_cpu+0x1c/0x160 > May 18 19:21:57 xw6600 kernel: radeon_driver_irq_handler_kms+0x39/0xc0 [radeon] > May 18 19:21:57 xw6600 kernel: __handle_irq_event_percpu+0x60/0x590 > May 18 19:21:57 xw6600 kernel: handle_irq_event_percpu+0x20/0x90 > May 18 19:21:57 xw6600 kernel: handle_irq_event+0x46/0xb0 > May 18 19:21:57 xw6600 kernel: handle_edge_irq+0x13d/0x370 > May 18 19:21:57 xw6600 kernel: handle_irq+0x66/0x230 > May 18 19:21:57 xw6600 kernel: ? __local_bh_enable+0x38/0x90 > May 18 19:21:57 xw6600 kernel: ? _local_bh_enable+0x1d/0x60 > May 18 19:21:57 xw6600 kernel: do_IRQ+0x7e/0x1b0 > May 18 19:21:57 xw6600 kernel: common_interrupt+0x95/0x95 > May 18 19:21:57 xw6600 kernel: RIP: 0010:mwait_idle+0x9c/0x3a0 > May 18 19:21:57 xw6600 kernel: RSP: 0018:ffffc90003193e68 EFLAGS: > 00000246 ORIG_RAX: ffffffffffffff4d > May 18 19:21:57 xw6600 kernel: RAX: 0000000000000000 RBX: > ffff88080ae71900 RCX: 0000000000000000 > May 18 19:21:57 xw6600 kernel: RDX: 0000000000000001 RSI: > 0000000000000001 RDI: ffff88080ae71900 > May 18 19:21:57 xw6600 kernel: RBP: ffffc90003193e98 R08: > 0000000000000006 R09: 0000000000000000 > May 18 19:21:57 xw6600 kernel: R10: 0000000000000000 R11: > 0000000000000000 R12: ffff88080ae71900 > May 18 19:21:57 xw6600 kernel: R13: 0000000000000001 R14: > ffffffff839cbd28 R15: 0000000000000000 > May 18 19:21:57 xw6600 kernel: </IRQ> > May 18 19:21:57 xw6600 kernel: ? mwait_idle+0x93/0x3a0 > May 18 19:21:57 xw6600 kernel: arch_cpu_idle+0xa/0x10 > May 18 19:21:57 xw6600 kernel: default_idle_call+0x24/0x40 > May 18 19:21:57 xw6600 kernel: do_idle+0x154/0x230 > May 18 19:21:57 xw6600 kernel: cpu_startup_entry+0x18/0x20 > May 18 19:21:57 xw6600 kernel: start_secondary+0x159/0x1f0 > May 18 19:21:57 xw6600 kernel: start_cpu+0x14/0x14 > May 18 19:21:57 xw6600 kernel: ---[ end trace bbca894b04cf0b18 ]--- > May 18 19:21:57 xw6600 kernel: ------------[ cut here ]------------ > > > -Tommi > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch