AceLan, before suspending, can you please run "sudo lspci -vv" and attach the complete output to the bugzilla? ----- Forwarded message from bugzilla-daemon@xxxxxxxxxxxxxxxxxxx ----- Date: Wed, 31 Jul 2019 02:58:33 +0000 From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx To: bugzilla.pci@xxxxxxxxx Subject: [Bug 204385] New: Failed to resume from S3 with thunderbolt daisy chain Message-ID: <bug-204385-193951@xxxxxxxxxxxxxxxxxxxxxxxxx/> https://bugzilla.kernel.org/show_bug.cgi?id=204385 Bug ID: 204385 Summary: Failed to resume from S3 with thunderbolt daisy chain Product: Drivers Version: 2.5 Kernel Version: 5.3.0-rc2 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: PCI Assignee: drivers_pci@xxxxxxxxxxxxxxxxxxxx Reporter: acelan@xxxxxxxxx Regression: No Created attachment 284047 --> https://bugzilla.kernel.org/attachment.cgi?id=284047&action=edit dmesg.log The system can't resume while connecting to a tbt storage and a tbt monitor over Thunderbolt port(daisy-chaining) Dell Precision 5540 --> Dell WD19TB Thunderbolt Dock --> ASUS-Display PA27AC --> HP P800 Thunderbolt Storage Reproduce steps: 1. Connect Dell WD19TB Thunderbolt Dock to your system(thunderbolt port) 2. Connect ASUS-Display PA27AC(thuderbolt port) to WD19TB(thunderbolt port) 3. Connect HP P800 thunderbolt storage to PA27AC display(thunderbolt port) 4. mount and access files on HP P800 5. enter S3(echo deep | sudo tee /sys/power/mem_sleep && systemctl suspend) and resume 6. it hangs It works well if laptop 1. connects to HP P800 directly 2. or connects to ASUS monitor directly 3. or connects to ASUS monitor -> HP P800 4. or connects to WD19TB -> HP P800 5. or connects to WD19TB -> ASUS monitor -- You are receiving this mail because: You are watching the assignee of the bug. ----- End forwarded message -----
