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From: bugzilla-daemon@kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 220936] ASMedia ASM4242 USB 3.2 xHCI Controller gives command timeout
Date: Thu, 08 Jan 2026 21:56:25 +0000	[thread overview]
Message-ID: <bug-220936-208809-G5AFejeysA@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-220936-208809@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=220936

--- Comment #1 from Stuart Hayhurst (stuart.a.hayhurst@gmail.com) ---
After the error is thrown the USB 4 ports attached completely stop working, and
don't recognise anything plugged in.

Before the error is thrown, it still seems very unhappy.

Mice and keyboards are basically non-functional. Both devices tested were
Logitech HID++ peripherals (G502 mouse, G915 TKL keyboard), and took ~10
seconds to be completely detected / initialised by hid-logitech-hidpp.
Afterwards, the keyboard is totally unresponsive, and the mouse position
updates every now and then. Normally, the HID++ part would be initialised
immediately after being interacted with, and be completely smooth.

USB storage devices (and NVMes over Thunderbolt) take a long time to open for
benchmarking, but afterwards their throughput is as expected.

The controller will also complain with errors in the format of `[  293.922068]
xhci_hcd 0000:77:00.0: bad transfer trb length 13 in event trb` when a device
is plugged in, but the size seems to vary.

I tried looking for firmware updates, but MSI doesn't seem to have published
any. `fwupdmgr get-devices` reports the current version as `200011.240802`.

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  reply	other threads:[~2026-01-08 21:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-04  1:42 [Bug 220936] New: ASMedia ASM4242 USB 3.2 xHCI Controller gives command timeout bugzilla-daemon
2026-01-08 21:56 ` bugzilla-daemon [this message]
2026-03-09 16:20 ` [Bug 220936] " bugzilla-daemon
2026-03-09 18:21 ` bugzilla-daemon
2026-03-09 18:32 ` bugzilla-daemon
2026-03-09 18:59 ` bugzilla-daemon

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