From: bugzilla-daemon@bugzilla.kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 212955] Possible kernel regression USB2 (not USB3) port EDIROL UA-101 (in USB 1.1 mode, not USB2) error -110
Date: Wed, 05 May 2021 20:20:24 +0000 [thread overview]
Message-ID: <bug-212955-208809-jBPK7fsAQf@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-212955-208809@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=212955
--- Comment #1 from Alan Stern (stern@rowland.harvard.edu) ---
Something else you can do is to collect and attach a couple of usbmon traces
under a 5.12 kernel: a working trace (device attached to a USB-3 port) and a
non-working trace (device attached to a USB-2 port). Comparing them might show
where the problem is.
In addition, before plugging in the device you should enable USB dynamic
debugging by doing:
echo 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control
and then afterwards attach the relevant parts of the dmesg logs.
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next prev parent reply other threads:[~2021-05-05 20:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-05 19:34 [Bug 212955] New: Possible kernel regression USB2 (not USB3) port EDIROL UA-101 (in USB 1.1 mode, not USB2) error -110 bugzilla-daemon
2021-05-05 20:20 ` bugzilla-daemon [this message]
2021-05-06 5:12 ` [Bug 212955] " bugzilla-daemon
2021-05-06 5:14 ` bugzilla-daemon
2021-05-06 5:17 ` bugzilla-daemon
2021-05-06 5:17 ` bugzilla-daemon
2021-05-06 15:45 ` bugzilla-daemon
2021-05-07 2:12 ` bugzilla-daemon
2021-05-07 2:21 ` bugzilla-daemon
2021-05-07 15:07 ` bugzilla-daemon
2021-05-08 3:10 ` bugzilla-daemon
2021-06-02 4:07 ` bugzilla-daemon
2021-06-02 4:25 ` bugzilla-daemon
2021-06-02 16:15 ` bugzilla-daemon
2021-06-02 18:15 ` bugzilla-daemon
2021-06-02 19:51 ` bugzilla-daemon
2021-06-02 19:54 ` bugzilla-daemon
2021-06-02 20:00 ` bugzilla-daemon
2021-06-03 4:42 ` bugzilla-daemon
2021-06-05 3:36 ` bugzilla-daemon
2021-06-07 3:47 ` bugzilla-daemon
2021-06-07 4:39 ` bugzilla-daemon
2021-06-07 15:16 ` bugzilla-daemon
2021-06-07 19:06 ` bugzilla-daemon
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