<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - xorg black screen after monitor power off, AMD r9 270X, aoc u2868pqu, displayport" href="https://bugs.freedesktop.org/show_bug.cgi?id=90987#c14">Comment # 14</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - xorg black screen after monitor power off, AMD r9 270X, aoc u2868pqu, displayport" href="https://bugs.freedesktop.org/show_bug.cgi?id=90987">bug 90987</a> from <a class="email" href="mailto:dex+fdobugzilla@dragonslave.de" title="Daniel Exner <dex+fdobugzilla@dragonslave.de>"> Daniel Exner</a> <pre>Switching DP 1.2 off in the menue helps in the cases where the monitor went into DPMS indeed. But it doesn't help for the "warm reboot" cases. Still get this: Feb 15 20:50:13 Joshua kernel: [<ffffffffa08cc01a>] ? radeon_connector_hotplug+0xea/0xf0 [radeon] Feb 15 20:50:14 Joshua kernel: [<ffffffffa08d9d82>] ? radeon_dp_work_func+0x32/0x50 [radeon] Feb 15 20:50:14 Joshua kernel: [<ffffffff8106a6ac>] ? process_one_work+0x11c/0x3b0 Feb 15 20:50:14 Joshua kernel: [<ffffffff8106a982>] ? worker_thread+0x42/0x4c0 Feb 15 20:50:14 Joshua kernel: [<ffffffff8106a940>] ? process_one_work+0x3b0/0x3b0 Feb 15 20:50:14 Joshua kernel: [<ffffffff8106fd08>] ? kthread+0xb8/0xd0 Feb 15 20:50:14 Joshua kernel: [<ffffffff8106fc50>] ? kthread_worker_fn+0x170/0x170 Feb 15 20:50:14 Joshua kernel: [<ffffffff814770cf>] ? ret_from_fork+0x3f/0x70 Feb 15 20:50:14 Joshua kernel: [<ffffffff8106fc50>] ? kthread_worker_fn+0x170/0x170 Feb 15 20:50:14 Joshua kernel: ---[ end trace 446f7a700841052b ]--- Feb 15 20:50:14 Joshua kernel: ------------[ cut here ]------------ Feb 15 20:50:14 Joshua kernel: WARNING: CPU: 5 PID: 119 at include/drm/drm_crtc.h:2555 drm_helper_choose_crtc_dpms+0x87/0x90 [drm_kms_helper]() Feb 15 20:50:14 Joshua kernel: Modules linked in: af_packet rfcomm bnep nf_conntrack_ipv4 nf_defrag_ipv4 xt_tcpudp xt_limit xt_conntrack nf_conntrack xt_multiport iptable_ Feb 15 20:50:14 Joshua kernel: snd_hda_codec_hdmi sp5100_tco sysfillrect ac97_bus snd_hda_intel sysimgblt i2c_piix4 snd_hda_codec i2c_core acpi_cpufreq tpm_tis snd_hda_co Feb 15 20:50:14 Joshua kernel: CPU: 5 PID: 119 Comm: kworker/5:1 Tainted: G W 4.5.0-rc4-00031-g1ce457e-dirty #10 Feb 15 20:50:14 Joshua kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./970 Extreme3 R2.0, BIOS P2.20 08/05/2015 Feb 15 20:50:14 Joshua kernel: Workqueue: events radeon_dp_work_func [radeon] Feb 15 20:50:14 Joshua kernel: 0000000000000000 ffffffff8123c413 0000000000000000 ffffffffa02f6540 Feb 15 20:50:15 Joshua kernel: ffffffff81056153 ffff8800bda98000 ffff880234da5000 ffff880234da5000 Feb 15 20:50:15 Joshua kernel: 0000000000000003 0000000000000000 ffffffffa02e61b7 ffff88021a103a00 Feb 15 20:50:15 Joshua kernel: Call Trace: Feb 15 20:50:15 Joshua kernel: [<ffffffff8123c413>] ? dump_stack+0x5c/0x79 Feb 15 20:50:15 Joshua kernel: [<ffffffff81056153>] ? warn_slowpath_common+0x73/0xa0 Feb 15 20:50:15 Joshua kernel: [<ffffffffa02e61b7>] ? drm_helper_choose_crtc_dpms+0x87/0x90 [drm_kms_helper] Feb 15 20:50:15 Joshua kernel: [<ffffffffa02e6517>] ? drm_helper_connector_dpms+0x67/0xe0 [drm_kms_helper] Feb 15 20:50:15 Joshua kernel: [<ffffffffa08cc01a>] ? radeon_connector_hotplug+0xea/0xf0 [radeon] Feb 15 20:50:15 Joshua kernel: [<ffffffffa08d9d82>] ? radeon_dp_work_func+0x32/0x50 [radeon] Feb 15 20:50:15 Joshua kernel: [<ffffffff8106a6ac>] ? process_one_work+0x11c/0x3b0 Feb 15 20:50:15 Joshua kernel: [<ffffffff8106a982>] ? worker_thread+0x42/0x4c0 Feb 15 20:50:15 Joshua kernel: [<ffffffff8106a940>] ? process_one_work+0x3b0/0x3b0 Feb 15 20:50:15 Joshua kernel: [<ffffffff8106fd08>] ? kthread+0xb8/0xd0 Feb 15 20:50:15 Joshua kernel: [<ffffffff8106fc50>] ? kthread_worker_fn+0x170/0x170 Feb 15 20:50:16 Joshua kernel: [<ffffffff814770cf>] ? ret_from_fork+0x3f/0x70 Feb 15 20:50:16 Joshua kernel: [<ffffffff8106fc50>] ? kthread_worker_fn+0x170/0x170</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>