** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1906839
Title:
Use INTx for Pericom USB controllers
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.10 package in Ubuntu:
Won't Fix
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.10 source package in Focal:
Fix Released
Bug description:
[Impact]
Pericom EHCI/OHCI controller cannot detect USB hotplug after using MSI.
[Fix]
Disable MSI and fallback to INTx.
[Test]
Hotplug any USB device and nothing gets detected.
With the fix applied the issue is gone.
[Where problems could occur]
Nothing wrong can happen. It was already using INTx before 306c54d0edb6
("usb: hcd: Try MSI interrupts on PCI devices"), and now it goes back to
use INTx again.
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