From: bugzilla-daemon@kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 220491] usb_storage connected SD card disconnects/reconnects on resume from suspend
Date: Wed, 27 Aug 2025 16:26:10 +0000 [thread overview]
Message-ID: <bug-220491-208809-ge1EIjPXqo@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-220491-208809@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=220491
--- Comment #9 from Paul Ausbeck (paula@alumni.cse.ucsc.edu) ---
Created attachment 308565
--> https://bugzilla.kernel.org/attachment.cgi?id=308565&action=edit
usbmon trace of successful suspend/resume
The internal usb_storage device does not always disconnect/reconnect on resume
from suspend. I have attached a usbmon trace from a successful suspend/resume
in that the usb_storage device is merely reset and the associated filesystem
remains mounted. This trace has the "k" quirk in place:
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-6.12.38+deb13-amd64
root=UUID=678480bb-2d48-4a21-bdd3-d13f4a8d21ad ro net.ifnames=0
usbcore.autosuspend=-1 mitigations=off usbcore.quirks=05e3:0747:k quiet
[ 0.030419] Kernel command line:
BOOT_IMAGE=/boot/vmlinuz-6.12.38+deb13-amd64
root=UUID=678480bb-2d48-4a21-bdd3-d13f4a8d21ad ro net.ifnames=0
usbcore.autosuspend=-1 mitigations=off usbcore.quirks=05e3:0747:k quiet
[ 0.909039] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100
quirks 0x000000000004b810
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next prev parent reply other threads:[~2025-08-27 16:26 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-26 3:34 [Bug 220491] New: usb_storage connected SD card disconnects/reconnects on resume from suspend bugzilla-daemon
2025-08-26 3:38 ` [Bug 220491] " bugzilla-daemon
2025-08-26 10:41 ` bugzilla-daemon
2025-08-26 15:05 ` bugzilla-daemon
2025-08-26 16:18 ` bugzilla-daemon
2025-08-26 17:24 ` bugzilla-daemon
2025-08-27 1:55 ` bugzilla-daemon
2025-08-27 3:49 ` bugzilla-daemon
2025-08-27 8:28 ` bugzilla-daemon
2025-08-27 16:26 ` bugzilla-daemon [this message]
2025-08-27 16:34 ` bugzilla-daemon
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2025-09-02 21:23 ` bugzilla-daemon
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2025-09-03 21:22 ` bugzilla-daemon
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