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From: bugzilla-daemon@kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 220460] New: Plugging USB-C adapter into one port results in `Failed to set U2 timeout to 0x3f,error code -110`
Date: Sun, 17 Aug 2025 08:09:58 +0000	[thread overview]
Message-ID: <bug-220460-208809@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=220460

            Bug ID: 220460
           Summary: Plugging USB-C adapter into one port results in
                    `Failed to set U2 timeout to 0x3f,error code -110`
           Product: Drivers
           Version: 2.5
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: USB
          Assignee: drivers_usb@kernel-bugs.kernel.org
          Reporter: pmenzel+bugzilla.kernel.org@molgen.mpg.de
        Regression: No

Created attachment 308500
  --> https://bugzilla.kernel.org/attachment.cgi?id=308500&action=edit
Output of `dmesg` (Linux 6.16.1) with dynamic debug of xhci_hcd and usbcore

Attachments for linux-usb list message [Plugging USB-C adapter into one port
results in `Failed to set U2 timeout to 0x3f,error code
-110`](https://lore.kernel.org/linux-usb/97d9420f-1a7f-433c-bdd7-b7bab6c45f00@linux.intel.com/T/#mb4ac7d8ec970fa3a3cfb451d725d28482b2ad0d5)

From Mathias’ answer:

> Could you also take logs and traces with dynamic debug and tracing enabled:
> 
> mount -t debugfs none /sys/kernel/debug
> echo 'module xhci_hcd =p' >/sys/kernel/debug/dynamic_debug/control
> echo 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control
> echo 81920 > /sys/kernel/debug/tracing/buffer_size_kb
> echo 1 > /sys/kernel/debug/tracing/events/xhci-hcd/enable
> echo 1 > /sys/kernel/debug/tracing/tracing_on
> < Reproduce issue >
> Send output of dmesg
> Send content of /sys/kernel/debug/tracing/trace

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             reply	other threads:[~2025-08-17  8:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-17  8:09 bugzilla-daemon [this message]
2025-08-17 17:18 ` [Bug 220460] Plugging USB-C adapter into one port results in `Failed to set U2 timeout to 0x3f,error code -110` bugzilla-daemon
2025-08-17 22:15 ` bugzilla-daemon
2025-08-18  8:13 ` bugzilla-daemon
2025-08-18  8:26 ` bugzilla-daemon
2025-08-21 14:57 ` bugzilla-daemon
2025-08-21 15:05 ` bugzilla-daemon
2025-08-21 15:26 ` bugzilla-daemon
2025-08-22 12:12 ` bugzilla-daemon
2025-08-22 12:14 ` bugzilla-daemon
2025-08-22 13:20 ` bugzilla-daemon
2025-08-25  9:16 ` bugzilla-daemon
2025-08-25  9:16 ` bugzilla-daemon

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