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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: Mon, 07 Jun 2021 15:16:48 +0000	[thread overview]
Message-ID: <bug-212955-208809-bFTjeg1wPf@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 #22 from Alan Stern (stern@rowland.harvard.edu) ---
Using two different drivers would definitely explain the different patterns of
communication with the device in your two usbmon traces.

But it doesn't explain why, with one of the drivers, the device seems to stop
responding when used with EHCI (and works okay with xHCI!).  Maybe this is
caused by a bug in the device's firmware.  It that's true, changing the
communication pattern might work around the problem.

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  parent reply	other threads:[~2021-06-07 15:16 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 ` [Bug 212955] " bugzilla-daemon
2021-05-06  5:12 ` 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 [this message]
2021-06-07 19:06 ` bugzilla-daemon

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