From: bugzilla-daemon@bugzilla.kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 210015] New: page allocation failure in usb_hub_wq hub_event when adding HID device
Date: Tue, 03 Nov 2020 08:39:54 +0000 [thread overview]
Message-ID: <bug-210015-208809@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=210015
Bug ID: 210015
Summary: page allocation failure in usb_hub_wq hub_event when
adding HID device
Product: Drivers
Version: 2.5
Kernel Version: 5.8.16-300.fc33.x86_64
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: USB
Assignee: drivers_usb@kernel-bugs.kernel.org
Reporter: jadahl@gmail.com
Regression: No
Created attachment 293411
--> https://bugzilla.kernel.org/attachment.cgi?id=293411&action=edit
journal -k during the error
When docking my laptop (Lenovo T470s, to a traditional docking station),
running 5.8.16-300.fc33.x86_64, sometimes (every other time or so), the kernel
runs into a page allocation failure when adding one of the HID device
associated with the USB keyboard attached to the docking station.
When this does *not* happen, three evdev devices appear for the keyboard:
/dev/input/event11: TypeMatrix.com USB Keyboard
/dev/input/event12: TypeMatrix.com USB Keyboard System Control
/dev/input/event13: TypeMatrix.com USB Keyboard Consumer Control
The third device emits events such as Volume Up, Volume Down etc. The first
emits events such as regular A-Z keys.
Available HID devices are
/dev/hidraw3: TypeMatrix.com USB Keyboard
/dev/hidraw4: TypeMatrix.com USB Keyboard
The first emits A-Z keys etc, while the second emits Volume up/down etc.
When the page allocation failure happens, the raw HID devices remain the same
and functioning, but the only evdev devices that appear are event11 and
event12, missing event13, thus missing Volume up/down events.
Replugging the keyboard enough times will make it work correctly again, most of
the times.
I'm attaching a journal -k for when it happens, containing the backtrace to the
page allocation failure.
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next reply other threads:[~2020-11-03 8:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-03 8:39 bugzilla-daemon [this message]
2020-11-03 9:02 ` [Bug 210015] page allocation failure in usb_hub_wq hub_event when adding HID device bugzilla-daemon
2020-11-03 17:53 ` bugzilla-daemon
2020-11-03 18:07 ` bugzilla-daemon
2020-11-04 8:34 ` bugzilla-daemon
2020-11-09 22:00 ` bugzilla-daemon
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