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Mon, 26 Jan 2026 15:57:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 60QFvsRY027640 for bugs@FreeBSD.org; Mon, 26 Jan 2026 15:57:54 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 270816] kernel panic in sym_hipd.c Date: Mon, 26 Jan 2026 15:57:54 +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: 13.5-STABLE X-Bugzilla-Keywords: crash, needs-qa X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270816 --- Comment #9 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3De769bc77184312b6137a9b180c97b87c0= 760b849 commit e769bc77184312b6137a9b180c97b87c0760b849 Author: Marius Strobl AuthorDate: 2026-01-26 13:58:57 +0000 Commit: Marius Strobl CommitDate: 2026-01-26 15:54:48 +0000 sym(4): Employ memory barriers also on x86 In an MP world, it doesn't hold that x86 requires no memory barriers. This change should also fix panics due to out-of-sync data seen with FreeBSD VMs on top of OpenStack and HBAs of type lsiLogic. [1] While at it: - Improve the granularity somewhat by distinguishing between read and write memory barriers as well as refer to existing *mb(9) functions instead of duplicating these [2], unless IO barriers are also used. - Nuke the unused SYM_DRIVER_NAME macro. PR: 270816 [1] Obtained from: BSD-licensed Linux sym53c8xx driver [2] MFC after: 1 week sys/dev/sym/sym_hipd.c | 42 +++++++++++++++--------------------------- 1 file changed, 15 insertions(+), 27 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.=