** Changed in: linux-oem-6.11 (Ubuntu Noble)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2102077
Title:
Run iio_info will be stucked forever (HID-
SENSOR-200011.5.auto/iio:device1)
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.11 package in Ubuntu:
Invalid
Status in linux source package in Noble:
In Progress
Status in linux-oem-6.11 source package in Noble:
Fix Committed
Status in linux source package in Oracular:
In Progress
Status in linux-oem-6.11 source package in Oracular:
Invalid
Status in linux source package in Plucky:
In Progress
Status in linux-oem-6.11 source package in Plucky:
Invalid
Bug description:
[Impact]
The Chicony Electronics HP 5MP Camera (USB ID 04F2:B82C) reports a HID
sensor interface that is not actually implemented. Attempting to access
this non-functional sensor via iio_info causes system hangs as runtime PM
tries to wake up an unresponsive sensor.
[Fix]
Add this device to the HID ignore list since the sensor interface is
non-functional by design and should not be exposed to userspace.
https://lore.kernel.org/lkml/[email protected]/T/#u
[Test]
1. Boot up the machine with this USB camera(04F2:B82C)
2. Run iio_info, it should return the iio information immediately
[Where problems could occur]
It's a quirk dedicated to a certain USB webcam, so it won't lead to other
sesnors fail to work.
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