This bug was fixed in the package linux-oem-5.10 - 5.10.0-1008.9
---------------
linux-oem-5.10 (5.10.0-1008.9) focal; urgency=medium
* focal/linux-oem-5.10: 5.10.0-1008.9 -proposed tracker (LP: #1908114)
* Packaging resync (LP: #1786013)
- [Packaging] update variants
* Miscellaneous Ubuntu changes
- [Config] update configs and annotations after rebase to v5.10
[ Ubuntu: 5.10.0-9.10 ]
* Use INTx for Pericom USB controllers (LP: #1906839)
- PCI: Disable MSI for Pericom PCIe-USB adapter
* disable building bpf selftests (LP: #1908144)
- SAUCE: selftests/bpf: clarify build error if no vmlinux
- SAUCE: selftests: Skip BPF seftests by default
- disable building bpf selftests (no VMLINUX_BTF)
* Miscellaneous Ubuntu changes
- [Config] Enable CONFIG_BPF_LSM
* Miscellaneous upstream changes
- Revert "md: change mddev 'chunk_sectors' from int to unsigned"
- Revert "dm raid: fix discard limits for raid1 and raid10"
[ Ubuntu: 5.10.0-8.9 ]
* Packaging resync (LP: #1786013)
- [Packaging] update variants
* Fix bpf selftest compilation with clang 11
- bpf: Fix selftest compilation on clang 11
* Miscellaneous Ubuntu changes
- [Config] update configs and annotations after rebase to v5.10
* Rebase to v5.10
-- Timo Aaltonen <[email protected]> Tue, 15 Dec 2020
15:46:56 +0200
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1906839
Title:
Use INTx for Pericom USB controllers
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
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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