On Mon, May 11, 2015 at 03:59:55PM -0400, Alex Deucher wrote: > Can you attach your boot dmesg output with drm.debug=0xf set? Strange, haven't seen this happen before. [ 8.437431] [drm:drm_calc_vbltimestamp_from_scanoutpos] crtc 5: Noop due to uninitialized mode. [ 8.437433] [drm:drm_update_vblank_count] updating vblank count on crtc 5, missed 0 [ 8.437444] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:40:DP-1] [ 8.437506] [drm:si_irq_process] si_irq_process start: rptr 208, wptr 224 [ 8.437523] [drm:si_irq_process] si_irq_process start: rptr 224, wptr 224 [ 8.440711] [drm:radeon_dp_getdpcd] DPCD: 12 14 c4 01 01 01 01 81 02 00 06 00 00 00 00 [ 8.441242] [drm:radeon_dp_aux_transfer_native] dp_aux_ch flags not zero: 04001001 [ 8.441758] [drm:radeon_dp_probe_oui] Branch OUI: 00e04c [ 8.442204] [drm:radeon_dp_mst_probe] Sink is MST capable [ 8.742140] Oops: 0000 [#1] PREEMPT SMP [ 8.742150] CPU: 3 PID: 418 Comm: systemd-udevd Not tainted 4.1.0-rc3-wopr+ #3 [ 8.742156] task: ffff88080a09f290 ti: ffff880808224000 task.ti: ffff880808224000 [ 8.742160] RIP: 0010:[<ffffffff863baf70>] [<ffffffff863baf70>] __list_add+0x50/0xe0 [ 8.742167] RSP: 0018:ffff8808082276b8 EFLAGS: 00010246 [ 8.742170] RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 0000000000000000 [ 8.742173] RDX: ffff880805871720 RSI: 0000000000000000 RDI: ffff8808082276f8 [ 8.742175] RBP: ffff8808082276e8 R08: ffff880808224000 R09: 0000000000000000 [ 8.742178] R10: 000000000000003d R11: 000000000000053e R12: ffff880805871720 [ 8.742181] R13: ffff88080a09f290 R14: 00000000ffffffff R15: ffff880805871720 [ 8.742184] FS: 00007f16f77bd880(0000) GS:ffff88080f2c0000(0000) knlGS:0000000000000000 [ 8.742188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.742190] CR2: 0000000000000000 CR3: 000000080820b000 CR4: 00000000001407e0 [ 8.742193] Stack: [ 8.742195] 0000000000000001 ffff880805871718 0000000000000001 ffff880805871718 [ 8.742200] ffff88080587171c ffff88080a09f290 ffff880808227748 ffffffff866ec970 [ 8.742205] ffff880808227758 ffffffff866e5488 0000000000000018 00000000bea51cc4 [ 8.742210] Call Trace: [ 8.742216] [<ffffffff866ec970>] __mutex_lock_slowpath+0x80/0x150 [ 8.742220] [<ffffffff866e5488>] ? printk+0x55/0x6b [ 8.742223] [<ffffffff866eca5b>] mutex_lock+0x1b/0x30 [ 8.742230] [<ffffffffc04667da>] drm_dp_mst_topology_mgr_set_mst+0x3a/0x3e0 [drm_kms_helper] [ 8.742251] [<ffffffffc075591a>] radeon_dp_mst_probe+0xaa/0x100 [radeon] [ 8.742268] [<ffffffffc068e04d>] radeon_dp_detect+0x26d/0x2f0 [radeon] [ 8.742273] [<ffffffffc0462de8>] drm_helper_probe_single_connector_modes_merge_bits+0x2c8/0x510 [drm_kms_helper] [ 8.742278] [<ffffffffc0463043>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper] [ 8.742285] [<ffffffffc046ce40>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper] [ 8.742291] [<ffffffffc046e26a>] drm_fb_helper_initial_config+0x5a/0x410 [drm_kms_helper] [ 8.742304] [<ffffffffc049c3f2>] ? drm_modeset_unlock_all+0x42/0x70 [drm] [ 8.742321] [<ffffffffc069a4a4>] radeon_fbdev_init+0xf4/0x120 [radeon] [ 8.742335] [<ffffffffc0693704>] radeon_modeset_init+0x484/0xa60 [radeon] [ 8.742354] [<ffffffffc075231a>] ? radeon_ib_ring_tests+0x5a/0xc0 [radeon] [ 8.742368] [<ffffffffc06684e0>] radeon_driver_load_kms+0x140/0x250 [radeon] [ 8.742375] [<ffffffffc0485aa5>] drm_dev_register+0xb5/0x110 [drm] [ 8.742382] [<ffffffffc0488b9d>] drm_get_pci_dev+0x8d/0x200 [drm] [ 8.742394] [<ffffffffc064a4b3>] radeon_pci_probe+0xa3/0xd0 [radeon] [ 8.742398] [<ffffffff863d96fc>] pci_device_probe+0x8c/0xf0 [ 8.742402] [<ffffffff864bd049>] driver_probe_device+0x159/0x4c0 [ 8.742405] [<ffffffff864bd48b>] __driver_attach+0x9b/0xa0 [ 8.742408] [<ffffffff864bd3f0>] ? __device_attach+0x40/0x40 [ 8.742412] [<ffffffff864bac53>] bus_for_each_dev+0x73/0xc0 [ 8.742415] [<ffffffff864bc9de>] driver_attach+0x1e/0x20 [ 8.742418] [<ffffffff864bc5b0>] bus_add_driver+0x180/0x250 [ 8.742421] [<ffffffff864bd8f4>] driver_register+0x64/0xf0 [ 8.742425] [<ffffffff863d8b0b>] __pci_register_driver+0x4b/0x50 [ 8.742432] [<ffffffffc0488e0a>] drm_pci_init+0xfa/0x130 [drm] [ 8.742436] [<ffffffffc082d000>] ? 0xffffffffc082d000 [ 8.742448] [<ffffffffc082d0dd>] radeon_init+0xdd/0xdf [radeon] [ 8.742454] [<ffffffff860002f8>] do_one_initcall+0xd8/0x200 [ 8.742458] [<ffffffff86194ee2>] ? __vunmap+0xa2/0x100 [ 8.742462] [<ffffffff861a8003>] ? kfree+0x173/0x180 [ 8.742465] [<ffffffff866e56e2>] do_init_module+0x61/0x1cc [ 8.742469] [<ffffffff860f2970>] load_module+0x1f90/0x23b0 [ 8.742472] [<ffffffff860ee260>] ? store_uevent+0x70/0x70 [ 8.742476] [<ffffffff860eed65>] ? copy_module_from_fd.isra.48+0xe5/0x1a0 [ 8.742479] [<ffffffff860eedb2>] ? copy_module_from_fd.isra.48+0x132/0x1a0 [ 8.742483] [<ffffffff8610c43b>] ? __acct_update_integrals+0x8b/0x120 [ 8.742486] [<ffffffff860f2fa6>] SyS_finit_module+0xa6/0xe0 [ 8.742490] [<ffffffff866eed57>] system_call_fastpath+0x12/0x6a [ 8.742493] Code: c1 30 cc 84 86 31 c0 48 c7 c2 38 83 a3 86 be 1a 00 00 00 48 c7 c7 b8 7d a3 86 e8 cc d8 cb ff 48 83 c4 18 5b 41 5c 41 5d 5d c3 90 <4c> 8b 0e 4c 39 ca 74 38 48 89 34 24 49 89 d0 48 c7 c1 30 cc 84 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
