** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1916467
Title:
[Intel Maple Ridge] system cannot enter S3 the first time while
connecting to TBT4 storage
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.10 source package in Focal:
Fix Committed
Status in linux source package in Hirsute:
In Progress
Status in linux-oem-5.10 source package in Hirsute:
Invalid
Bug description:
[SRU Justification]
[Impact]
Systems with Intel Maple Ridge addon card with tbt devices attached may
fail to suspend/resume.
[Fix]
Commit 319696aa80 ("xhci: Fix repeated xhci wake after suspend due to
uncleared internal wake state") currently landed in
https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git branch
for-usb-linus.
[Test Case]
When booted from unpatched kernel, starting from oem-5.10 that has
received Intel Maple Ridge enablement fixes, XHCI port on Maple Ridge
card may wake itself unsolicitedly when performing runtime/deep suspend:
kernel: [326] pci_pme_active:2422: xhci_hcd 0000:37:00.0: PME# disabled
kernel: [326] __pci_set_master:4219: xhci_hcd 0000:37:00.0: enabling bus
mastering
kernel: [326] pci_save_state:1553: xhci_hcd 0000:37:00.0: saving config
space at offset 0x0 (reading 0x11388086)
...
kernel: [326] pci_pme_active:2422: xhci_hcd 0000:37:00.0: PME# enabled
The suspend resume process will stuck forever.
[Where problems could occur]
Tried on a few more platforms, didn't found possible regression.
========== original bug description ==========
[Reproduce Steps]
1. install TBT4 card
2. Boot into Ubuntu X68
3. suspend and wake up to confirm S3 function
3. Connect TBT storage
4. suspend
5. system cannot enter S3
[Results]
Expected Result: system enters suspend
Actual Result: 1st attempt fails, screen will be turned off but power & fan
won't. system can only enter s3 afterwards
Upstream bug: https://bugzilla.kernel.org/show_bug.cgi?id=211377
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