Sometimes, DP MST does not work after resuming from standby

[Michael]

Sometimes, DP MST does not work after resuming from standby. Using a 1x DB to 2x HDMI and 2 1440p monitors on a i5 8250.

Relevant log:

10132.765955] ================================================================================
[10132.766089] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2941:3
[10132.766249] load of value 128 is not a valid value for type '_Bool'
[10132.766337] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.766348] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.766353] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.766428] Call Trace:
[10132.766433] <TASK>
[10132.766438] dump_stack_lvl+0x4a/0x63
[10132.766455] dump_stack+0x10/0x16
[10132.766465] ubsan_epilogue+0x9/0x49
[10132.766474] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.766487] drm_dp_send_link_address.cold+0x180/0x1f8 [drm_kms_helper]
[10132.766549] ? radix_tree_lookup+0xd/0x20
[10132.766559] ? workqueue_congested+0x30/0xe0
[10132.766572] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.766634] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.766694] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.766752] process_one_work+0x228/0x3d0
[10132.766764] worker_thread+0x4d/0x3f0
[10132.766774] ? process_one_work+0x3d0/0x3d0
[10132.766783] kthread+0x127/0x150
[10132.766791] ? set_kthread_struct+0x50/0x50
[10132.766800] ret_from_fork+0x1f/0x30
[10132.766816] </TASK>
[10132.766828] ================================================================================
[10132.766939] ================================================================================
[10132.767047] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2941:3
[10132.767200] load of value 3 is not a valid value for type '_Bool'
[10132.767261] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.767268] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.767272] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.767323] Call Trace:
[10132.767326] <TASK>
[10132.767329] dump_stack_lvl+0x4a/0x63
[10132.767341] dump_stack+0x10/0x16
[10132.767349] ubsan_epilogue+0x9/0x49
[10132.767358] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.767369] drm_dp_send_link_address.cold+0x136/0x1f8 [drm_kms_helper]
[10132.767416] ? radix_tree_lookup+0xd/0x20
[10132.767427] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.767476] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.767524] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.767571] process_one_work+0x228/0x3d0
[10132.767582] worker_thread+0x4d/0x3f0
[10132.767591] ? process_one_work+0x3d0/0x3d0
[10132.767600] kthread+0x127/0x150
[10132.767607] ? set_kthread_struct+0x50/0x50
[10132.767615] ret_from_fork+0x1f/0x30
[10132.767629] </TASK>
[10132.767632] ================================================================================
[10132.767708] ================================================================================
[10132.767781] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2941:3
[10132.767938] load of value 86 is not a valid value for type '_Bool'
[10132.767997] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.768004] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.768007] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.768057] Call Trace:
[10132.768059] <TASK>
[10132.768062] dump_stack_lvl+0x4a/0x63
[10132.768073] dump_stack+0x10/0x16
[10132.768082] ubsan_epilogue+0x9/0x49
[10132.768090] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.768101] drm_dp_send_link_address.cold+0x8c/0x1f8 [drm_kms_helper]
[10132.768153] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.768201] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.768248] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.768295] process_one_work+0x228/0x3d0
[10132.768305] worker_thread+0x4d/0x3f0
[10132.768315] ? process_one_work+0x3d0/0x3d0
[10132.768324] kthread+0x127/0x150
[10132.768331] ? set_kthread_struct+0x50/0x50
[10132.768339] ret_from_fork+0x1f/0x30
[10132.768352] </TASK>
[10132.768355] ================================================================================
[10132.768488] ================================================================================
[10132.768569] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2941:3
[10132.768672] load of value 3 is not a valid value for type '_Bool'
[10132.768729] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.768735] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.768739] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.768791] Call Trace:
[10132.768793] <TASK>
[10132.768797] dump_stack_lvl+0x4a/0x63
[10132.768808] dump_stack+0x10/0x16
[10132.768817] ubsan_epilogue+0x9/0x49
[10132.768825] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.768835] ? drm_dp_send_link_address+0x1ab/0x440 [drm_kms_helper]
[10132.768883] drm_dp_send_link_address.cold+0xeb/0x1f8 [drm_kms_helper]
[10132.768935] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.768982] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.769030] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.769078] process_one_work+0x228/0x3d0
[10132.769089] worker_thread+0x4d/0x3f0
[10132.769099] ? process_one_work+0x3d0/0x3d0
[10132.769108] kthread+0x127/0x150
[10132.769115] ? set_kthread_struct+0x50/0x50
[10132.769123] ret_from_fork+0x1f/0x30
[10132.769137] </TASK>
[10132.769140] ================================================================================
[10132.769220] ================================================================================
[10132.769293] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2423:24
[10132.769396] load of value 86 is not a valid value for type '_Bool'
[10132.769453] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.769459] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.769463] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.769511] Call Trace:
[10132.769513] <TASK>
[10132.769516] dump_stack_lvl+0x4a/0x63
[10132.769527] dump_stack+0x10/0x16
[10132.769535] ubsan_epilogue+0x9/0x49
[10132.769544] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.769553] ? drm_dp_mst_add_port+0xd1/0x100 [drm_kms_helper]
[10132.769601] drm_dp_mst_handle_link_address_port.cold+0x12b/0x32f [drm_kms_helper]
[10132.769645] ? ubsan_epilogue+0x15/0x49
[10132.769657] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10132.769708] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.769755] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.769803] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.769850] process_one_work+0x228/0x3d0
[10132.769860] worker_thread+0x4d/0x3f0
[10132.769869] ? process_one_work+0x3d0/0x3d0
[10132.769878] kthread+0x127/0x150
[10132.769885] ? set_kthread_struct+0x50/0x50
[10132.769893] ret_from_fork+0x1f/0x30
[10132.769907] </TASK>
[10132.769909] ================================================================================
[10132.769984] ================================================================================
[10132.770057] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2427:23
[10132.770159] load of value 3 is not a valid value for type '_Bool'
[10132.770215] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.770221] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.770225] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.770272] Call Trace:
[10132.770275] <TASK>
[10132.770278] dump_stack_lvl+0x4a/0x63
[10132.770289] dump_stack+0x10/0x16
[10132.770297] ubsan_epilogue+0x9/0x49
[10132.770305] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.770315] ? drm_dp_mst_add_port+0xd1/0x100 [drm_kms_helper]
[10132.770362] drm_dp_mst_handle_link_address_port.cold+0x2ac/0x32f [drm_kms_helper]
[10132.770409] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10132.770460] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.770506] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.770554] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.770601] process_one_work+0x228/0x3d0
[10132.770611] worker_thread+0x4d/0x3f0
[10132.770620] ? process_one_work+0x3d0/0x3d0
[10132.770630] kthread+0x127/0x150
[10132.770639] ? set_kthread_struct+0x50/0x50
[10132.770656] ret_from_fork+0x1f/0x30
[10132.770678] </TASK>
[10132.770683] ================================================================================
[10132.770836] ================================================================================
[10132.770963] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2428:23
[10132.771068] load of value 128 is not a valid value for type '_Bool'
[10132.771126] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10132.771132] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10132.771136] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10132.771188] Call Trace:
[10132.771191] <TASK>
[10132.771194] dump_stack_lvl+0x4a/0x63
[10132.771206] dump_stack+0x10/0x16
[10132.771214] ubsan_epilogue+0x9/0x49
[10132.771223] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10132.771233] ? drm_dp_mst_add_port+0xd1/0x100 [drm_kms_helper]
[10132.771280] drm_dp_mst_handle_link_address_port.cold+0x14e/0x32f [drm_kms_helper]
[10132.771327] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10132.771378] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10132.771425] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10132.771472] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10132.771520] process_one_work+0x228/0x3d0
[10132.771531] worker_thread+0x4d/0x3f0
[10132.771540] ? process_one_work+0x3d0/0x3d0
[10132.771549] kthread+0x127/0x150
[10132.771556] ? set_kthread_struct+0x50/0x50
[10132.771564] ret_from_fork+0x1f/0x30
[10132.771578] </TASK>
[10132.771581] ================================================================================
[10132.784662] [drm:drm_dp_send_enum_path_resources [drm_kms_helper]] *ERROR* got incorrect port in response
[10133.033324] ================================================================================
[10133.033432] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2392:37
[10133.033566] load of value 60 is not a valid value for type '_Bool'
[10133.033633] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10133.033644] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10133.033651] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10133.033730] Call Trace:
[10133.033735] <TASK>
[10133.033740] dump_stack_lvl+0x4a/0x63
[10133.033758] dump_stack+0x10/0x16
[10133.033768] ubsan_epilogue+0x9/0x49
[10133.033778] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10133.033790] ? drm_dp_mst_topology_try_get_port.part.0+0x34/0x40 [drm_kms_helper]
[10133.033851] drm_dp_mst_handle_link_address_port.cold+0x1c1/0x32f [drm_kms_helper]
[10133.033911] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10133.033976] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10133.034068] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10133.034146] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10133.034200] process_one_work+0x228/0x3d0
[10133.034215] worker_thread+0x4d/0x3f0
[10133.034226] ? process_one_work+0x3d0/0x3d0
[10133.034236] kthread+0x127/0x150
[10133.034245] ? set_kthread_struct+0x50/0x50
[10133.034254] ret_from_fork+0x1f/0x30
[10133.034275] </TASK>
[10133.034280] ================================================================================
[10133.034829] ================================================================================
[10133.034970] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2404:37
[10133.035179] load of value 48 is not a valid value for type '_Bool'
[10133.035279] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10133.035293] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10133.035299] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10133.035392] Call Trace:
[10133.035400] <TASK>
[10133.035405] dump_stack_lvl+0x4a/0x63
[10133.035423] dump_stack+0x10/0x16
[10133.035435] ubsan_epilogue+0x9/0x49
[10133.035448] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10133.035463] ? drm_dp_mst_topology_try_get_port.part.0+0x34/0x40 [drm_kms_helper]
[10133.035562] drm_dp_mst_handle_link_address_port.cold+0x23a/0x32f [drm_kms_helper]
[10133.035642] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10133.035711] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10133.035767] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10133.035824] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10133.035884] process_one_work+0x228/0x3d0
[10133.035899] worker_thread+0x4d/0x3f0
[10133.035913] ? process_one_work+0x3d0/0x3d0
[10133.035927] kthread+0x127/0x150
[10133.035954] ? set_kthread_struct+0x50/0x50
[10133.035964] ret_from_fork+0x1f/0x30
[10133.035982] </TASK>
[10133.036045] ================================================================================
[10133.038903] ================================================================================
[10133.039102] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2413:35
[10133.039286] load of value 67 is not a valid value for type '_Bool'
[10133.039380] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10133.039392] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10133.039397] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10133.039477] Call Trace:
[10133.039481] <TASK>
[10133.039487] dump_stack_lvl+0x4a/0x63
[10133.039504] dump_stack+0x10/0x16
[10133.039514] ubsan_epilogue+0x9/0x49
[10133.039525] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10133.039538] ? drm_modeset_lock+0xb7/0xf0 [drm]
[10133.039663] drm_dp_mst_handle_link_address_port.cold+0xd2/0x32f [drm_kms_helper]
[10133.039742] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10133.039818] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10133.039885] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10133.039957] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10133.040023] process_one_work+0x228/0x3d0
[10133.040037] worker_thread+0x4d/0x3f0
[10133.040048] ? process_one_work+0x3d0/0x3d0
[10133.040059] kthread+0x127/0x150
[10133.040068] ? set_kthread_struct+0x50/0x50
[10133.040078] ret_from_fork+0x1f/0x30
[10133.040096] </TASK>
[10133.040111] ================================================================================
[10133.051461] ================================================================================
[10133.051619] UBSAN: invalid-load in /build/linux-hwe-5.15-69LdM0/linux-hwe-5.15-5.15.0/drivers/gpu/drm/drm_dp_mst_topology.c:2426:10
[10133.051804] load of value 3 is not a valid value for type '_Bool'
[10133.051900] CPU: 0 PID: 213950 Comm: kworker/0:1 Tainted: P OE 5.15.0-46-generic #49~20.04.1-Ubuntu
[10133.051912] Hardware name: Default string Default string/Default string, BIOS 5.12 01/11/2019
[10133.051918] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[10133.052004] Call Trace:
[10133.052010] <TASK>
[10133.052016] dump_stack_lvl+0x4a/0x63
[10133.052035] dump_stack+0x10/0x16
[10133.052046] ubsan_epilogue+0x9/0x49
[10133.052056] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[10133.052078] ? drm_modeset_lock+0xb7/0xf0 [drm]
[10133.052236] drm_dp_mst_handle_link_address_port.cold+0x285/0x32f [drm_kms_helper]
[10133.052332] drm_dp_send_link_address+0x261/0x440 [drm_kms_helper]
[10133.052429] drm_dp_check_and_send_link_address+0xdf/0x100 [drm_kms_helper]
[10133.052516] ? drm_dp_mst_link_probe_work+0x157/0x1a0 [drm_kms_helper]
[10133.052614] drm_dp_mst_link_probe_work+0x162/0x1a0 [drm_kms_helper]
[10133.052717] process_one_work+0x228/0x3d0
[10133.052739] worker_thread+0x4d/0x3f0
[10133.052758] ? process_one_work+0x3d0/0x3d0
[10133.052775] kthread+0x127/0x150
[10133.052787] ? set_kthread_struct+0x50/0x50
[10133.052800] ret_from_fork+0x1f/0x30
[10133.052826] </TASK>
[10133.052919] ================================================================================

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.15.0-46-generic 5.15.0-46.49~20.04.1
ProcVersionSignature: Ubuntu 5.15.0-46.49~20.04.1-generic 5.15.39
Uname: Linux 5.15.0-46-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.24
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sun Sep 25 22:39:07 2022
SourcePackage: linux-signed-hwe-5.15
UpgradeStatus: No upgrade log present (probably fresh install)