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Tue, 28 Apr 2026 07:48:36 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: acpi@FreeBSD.org Subject: [Bug 228654] ACPI suspend S3 with bounce kills USB; ACPI suspend S3 kills screen and leaves the system in a broken state Date: Tue, 28 Apr 2026 07:48:36 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: souradiptodas6@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: acpi@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: ACPI and power management development List-Archive: https://lists.freebsd.org/archives/freebsd-acpi List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-acpi@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D228654 Souradipto Das changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |souradiptodas6@gmail.com --- Comment #3 from Souradipto Das --- I have been investigating this issue using a QEMU-based reproduction environment (FreeBSD 14.4). My traces show XHCI Error 18 (Context State Err= or) during S3 bounceback. However, I=E2=80=99ve also observed that host-level r= esource exhaustion (RAM limits) in virtualized environments can inconsistently trig= ger this protocol failure. I am currently auditing the state machine in xhci.c = to see if a more robust error-handling path can prevent the permanent detachme= nt. --=20 You are receiving this mail because: You are the assignee for the bug.=