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Description of problem: Additional info: reporter: libreport-2.8.0 WARNING: CPU: 2 PID: 214 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1ed/0x230 [i915] WARN_ON(!msg->buffer != !msg->size) Modules linked in: i915(+) crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit ghash_clmulni_intel drm_kms_helper e1000e serio_raw drm ptp pps_core video fjes CPU: 2 PID: 214 Comm: kworker/2:2 Not tainted 4.9.0-0.rc1.git1.1.fc26.x86_64 #1 Hardware name: LENOVO 20BTS1N70F/20BTS1N70F, BIOS N14ET28W (1.06 ) 03/12/2015 Workqueue: events i915_hotplug_work_func [i915] ffffb14c8165ba88 ffffffff9846ce83 ffffb14c8165bad8 0000000000000000 ffffb14c8165bac8 ffffffff980af49b 0000042698110fe6 ffffb14c8165bbb0 ffff8e6ce12720e0 0000000000000003 00000000fffffffb 0000000000000000 Call Trace: [<ffffffff9846ce83>] dump_stack+0x86/0xc3 [<ffffffff980af49b>] __warn+0xcb/0xf0 [<ffffffff980af51f>] warn_slowpath_fmt+0x5f/0x80 [<ffffffffc0191c75>] ? drm_dp_dpcd_access+0x65/0x110 [drm_kms_helper] [<ffffffff9890c0c6>] ? _raw_spin_unlock_irqrestore+0x36/0x60 [<ffffffffc028be4d>] intel_dp_aux_transfer+0x1ed/0x230 [i915] [<ffffffffc0191c84>] drm_dp_dpcd_access+0x74/0x110 [drm_kms_helper] [<ffffffffc0191d3b>] drm_dp_dpcd_write+0x1b/0x20 [drm_kms_helper] [<ffffffffc028661b>] intel_dp_start_link_train+0x2cb/0x4c0 [i915] [<ffffffffc0287bd9>] intel_dp_check_link_status+0xd9/0x110 [i915] [<ffffffffc028cb99>] intel_dp_detect+0x719/0xba0 [i915] [<ffffffffc02740a0>] i915_hotplug_work_func+0x1e0/0x2b0 [i915] [<ffffffff980d01de>] process_one_work+0x23e/0x6f0 [<ffffffff980d015a>] ? process_one_work+0x1ba/0x6f0 [<ffffffff980d06de>] worker_thread+0x4e/0x490 [<ffffffff980d0690>] ? process_one_work+0x6f0/0x6f0 [<ffffffff980d0690>] ? process_one_work+0x6f0/0x6f0 [<ffffffff98003eec>] ? do_syscall_64+0x6c/0x1f0 [<ffffffff980d7b22>] kthread+0x102/0x120 [<ffffffff98111105>] ? trace_hardirqs_on_caller+0xf5/0x1b0 [<ffffffff980d7a20>] ? kthread_park+0x60/0x60 [<ffffffff9890cbfa>] ret_from_fork+0x2a/0x40
Created attachment 1212557 [details] File: dmesg
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.
This message is a reminder that Fedora 26 is nearing its end of life. Approximately 4 (four) weeks from now Fedora will stop maintaining and issuing updates for Fedora 26. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '26'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 26 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
Fedora 26 changed to end-of-life (EOL) status on 2018-05-29. Fedora 26 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.