From: bugzilla-daemon@bugzilla.kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 214021] The USB devices fail to be detected during boot
Date: Mon, 16 Aug 2021 14:16:36 +0000 [thread overview]
Message-ID: <bug-214021-208809-qDFe7IqO0B@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-214021-208809@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=214021
--- Comment #7 from Alan Stern (stern@rowland.harvard.edu) ---
This means the problem is somewhere below xhci_alloc_dev. In other words, the
problem is in the xhci-hcd driver, and it has no connection to the commit you
found. Except perhaps that increasing the time delay manages to avoid the bug
somehow.
You can try enabling dynamic debugging for xhci-hcd. On the boot command line,
add:
dyndbg="module xhci_hcd =p"
and see what shows up in the dmesg log.
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next prev parent reply other threads:[~2021-08-16 14:16 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-10 15:26 [Bug 214021] New: The USB devices fail to be detected during boot bugzilla-daemon
2021-08-10 15:27 ` [Bug 214021] " bugzilla-daemon
2021-08-10 15:39 ` bugzilla-daemon
2021-08-11 15:38 ` bugzilla-daemon
2021-08-12 2:31 ` bugzilla-daemon
2021-08-16 7:09 ` bugzilla-daemon
2021-08-16 7:29 ` bugzilla-daemon
2021-08-16 14:16 ` bugzilla-daemon [this message]
2021-08-18 5:48 ` bugzilla-daemon
2021-08-20 11:33 ` bugzilla-daemon
2021-08-20 14:31 ` bugzilla-daemon
2021-08-23 12:49 ` bugzilla-daemon
2021-08-23 14:06 ` bugzilla-daemon
2021-08-24 7:37 ` bugzilla-daemon
2021-08-25 12:08 ` bugzilla-daemon
2022-03-25 8:30 ` bugzilla-daemon
2022-04-07 21:25 ` bugzilla-daemon
2022-04-07 21:27 ` bugzilla-daemon
2022-04-08 11:55 ` bugzilla-daemon
2022-04-08 11:56 ` bugzilla-daemon
2022-04-08 11:57 ` bugzilla-daemon
2022-04-24 7:50 ` bugzilla-daemon
2022-04-24 7:52 ` bugzilla-daemon
2022-04-25 10:08 ` bugzilla-daemon
2022-04-25 11:00 ` bugzilla-daemon
2022-05-13 7:29 ` bugzilla-daemon
2022-05-13 8:29 ` bugzilla-daemon
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